Journal articles: 'Nutrient interaction'

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Combet, Emilie, and Stuart R. Gray. "Nutrient–nutrient interactions: competition, bioavailability, mechanism and function in health and diseases." Proceedings of the Nutrition Society 78, no. 1 (February 2019): 1–3. http://dx.doi.org/10.1017/s0029665118002732.

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The Nutrition Society Spring Conference 2018, held in Glasgow, brought together experts focusing on the interaction between different nutrients and how this impacts absorption, metabolism and health from biochemical and physiological perspectives. This cross-cutting theme was examined from a range of perspectives, bringing together experts on topics ranging from food processing to the impact of inflammation on nutrient status. Two plenary lectures provided a food landscape and lifecourse background to the proceedings, with on the first day a focus on processed/ultra-processed foods and their nutrient composition and, on the second day, a plenary lecture exploring the role that nutrient–nutrient interactions within the maternal diet have for the lifelong health of the offspring. The meeting was framed around three symposia, examining the competition and bioavailability of dietary components, nutrient–nutrient interactions and their role in protection from chronic diseases and the mechanisms of nutrient–nutrient interactions. The meeting ended with a round table, and an overall conclusion highlighting the opportunities to derive further understanding of the short- and long-term implications of diets through the study of nutrient–nutrient interactions.

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LOURENÇO, R. "Enteral feeding: Drug/nutrient interaction." Clinical Nutrition 20, no. 2 (April 2001): 187–93. http://dx.doi.org/10.1054/clnu.2000.0155.

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Crocker, GJ, KP Sheridan, and ICR Holford. "Lucerne responses to lime and interactions with other nutrients on granitic soils." Australian Journal of Experimental Agriculture 25, no. 2 (1985): 337. http://dx.doi.org/10.1071/ea9850337.

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Experiments were carried out in the field and glasshouse to determine the requirements for lime and nutrient elements by lucerne growing on moderately acid, weakly buffered granitic soils of the Northern Tablelands of New South Wales. The initial field experiment, which was an omission type at two sites with basal applications of phosphorus and sulfur, gave responses only to molybdenum, whilst on the 'complete' nutrient treatment (potassium, magnesium, molybdenum, manganese, boron, copper, zinc, cobalt and iron), there were large responses to lime. The subsequent glasshouse experiments gave large positive interactions between lime and the complete nutrient treatment and also between lime and phosphorus. The interactions between lime and complete nutrients involved mainly boron and to a lesser extent molybdenum, but at least one other nutrient, probably potassium, was also involved. However, the largest interaction was between lime and phosphorus. There was little indication that the lime effect was caused by increased nutrient availability in the soil or by improved root nodulation; it appeared to be associated with greatly improved root growth. White clover differed from lucerne in giving no interactions between lime and other nutrients and was much less sensitive to lime-induced boron deficiency. The results' of these experiments indicate that lucerne yields on these granitic soils cannot be maximized by the application of nutrient elements unless lime is also applied. Likewise lime has little effect unless deficient nutrients are also applied. Near-maximum yields were obtained with lime at 2.5 t/ha in the presence of adequate levels of deficient nutrients.

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Zaini, Mohd Rasdi, Nurul Farahana Hazira Hazlee, and Fathul Nabila Abdul Karim. "Interaction Between Oryctes Rhinoceros and Leaves’ Nutrient Content in Oil Palm." JOURNAL OF ADVANCES IN AGRICULTURE 8 (August 30, 2018): 1408–14. http://dx.doi.org/10.24297/jaa.v8i1.7585.

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A study meant to evaluate the relationship between the presence of Oryctes rhinoceros to the oil palm in relation to the leaves’ nutrient content which is Phosphorus (P) and Potassium (K). Appropriate fertilization is one of the methods that can help to suppress the pests’ presence in the field. In general, insects’ pests are attracted to the plants that are supplied with excess supply of nutrient as it can help them to develop better in future as these nutrient play their roles in aiding through growths and insects’ fecundity. Data on nutrient status were collected were Phosphorus (P), Potassium (K), Calcium (Ca), Magnesium (Mg), Copper (Cu) and Zinc (Zn). These data had been collected twice per month which were at the middle and at the end of each month. Four samples of leaves were taken from four sampling oil palm trees of each treatment. Leaves from ninth or seventeenth fronds were chosen as it is the best most ideal fronds to be used for leaf analysis to identify the nutrient content. The result of this study showed that Phosphorus (P) exerted a strong positive relationship with the presence of Oryctes rhinoceros in the oil palm while Potassium (K) showed a strong negative relationship between the two variables. Thus, developing awareness to the growers to this nutrients-balancing issue would be good for future agriculture in future as it is clear now that balanced nutrition is primordial to ensure availability of nutrients uptake by plants.

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Mabry, C. M., M. Jasieński, J. S. Coleman, and F. A. Bazzaz. "Genotypic variation in Polygonum pensylvanicum: nutrient effects on plant growth and aphid infestation." Canadian Journal of Botany 75, no. 4 (April 1, 1997): 546–51. http://dx.doi.org/10.1139/b97-060.

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Variation in the performance of 20 genotypes of Polygonum pensylvanicum under two nutrient treatments was studied in a garden experiment. Nutrient fertilization enhanced vegetative biomass and fruit biomass production, but did not result in significant genotype–environment interactions, suggesting that nutrient variation of the range used in the experiment has little potential as a microevolutionary factor in this species. Leaf nitrogen concentration was not affected by a nutrient pulse. The degree of transient aphid infestation that occurred during the experiment had a weak positive correlation with final reproductive biomass of plants. Mean density of aphids per leaf was negatively correlated with percent leaf nitrogen and was not affected by genotypic identity of host plants. Key words: Polygonum pensylvanicum, genotype–environment interaction, phenotypic plasticity, aphids, nutrients.

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Anderson, Leif G., Göran Björk, Ola Holby, Sara Jutterström, Carl Magnus Mörth, Matt O'Regan, Christof Pearce, et al. "Shelf–Basin interaction along the East Siberian Sea." Ocean Science 13, no. 2 (April 27, 2017): 349–63. http://dx.doi.org/10.5194/os-13-349-2017.

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Abstract. Extensive biogeochemical transformation of organic matter takes place in the shallow continental shelf seas of Siberia. This, in combination with brine production from sea-ice formation, results in cold bottom waters with relatively high salinity and nutrient concentrations, as well as low oxygen and pH levels. Data from the SWERUS-C3 expedition with icebreaker Oden, from July to September 2014, show the distribution of such nutrient-rich, cold bottom waters along the continental margin from about 140 to 180° E. The water with maximum nutrient concentration, classically named the upper halocline, is absent over the Lomonosov Ridge at 140° E, while it appears in the Makarov Basin at 150° E and intensifies further eastwards. At the intercept between the Mendeleev Ridge and the East Siberian continental shelf slope, the nutrient maximum is still intense, but distributed across a larger depth interval. The nutrient-rich water is found here at salinities of up to ∼ 34.5, i.e. in the water classically named lower halocline. East of 170° E transient tracers show significantly less ventilated waters below about 150 m water depth. This likely results from a local isolation of waters over the Chukchi Abyssal Plain as the boundary current from the west is steered away from this area by the bathymetry of the Mendeleev Ridge. The water with salinities of ∼ 34.5 has high nutrients and low oxygen concentrations as well as low pH, typically indicating decay of organic matter. A deficit in nitrate relative to phosphate suggests that this process partly occurs under hypoxia. We conclude that the high nutrient water with salinity ∼ 34.5 are formed on the shelf slope in the Mendeleev Ridge region from interior basin water that is trapped for enough time to attain its signature through interaction with the sediment.

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Fahnenstiel, G. L., R. A. Stone, M. J. McCormick, C. L. Schelske, and S. E. Lohrenz. "Spring isothermal mixing in the Great Lakes: evidence of nutrient limitation and nutrient-light interactions in a suboptimal light environment." Canadian Journal of Fisheries and Aquatic Sciences 57, no. 9 (September 1, 2000): 1901–10. http://dx.doi.org/10.1139/f00-144.

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During the spring isothermal mixing period (April-May) in 1993-1995, photosynthesis-irradiance and growth-irradiance experiments were conducted in Lakes Erie, Huron, Michigan, and Ontario to assess light limitation. Additionally, nutrient enrichment experiments were conducted in Lake Ontario. Results from the photosynthesis-irradiance experiments suggested that phytoplankton communities in all the lakes can be either light limited or light saturated, as the threshold parameter (Ik) was similar to mean water column irradiances (mean Iwc, ratio = 1.0). Growth-irradiance experiments also suggested the potential for light saturation; mean daily irradiance exceeded the threshold growth irradiance (Ik,g) in 95% of cases. Growth rates became light saturated at lower irradiances than photosynthetic rates. Evidence for a nutrient-light interaction in controlling in situ growth rates was also found in the nutrient enrichment experiments at incubation irradiances [Formula: see text] mean Iwc. Our results suggest that an interaction between nutrients and light is often controlling phytoplankton growth during spring mixing in the Great Lakes. The role of these nutrient-light interactions has increased in the past decade due to increased light availability in the lower lakes caused by phosphorus load reductions and the filtering activities of nonindigenous mussels.

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López-Carrillo*, Lizbeth, Aubrey V. Herrera, R. Ulises Hernández-Ramirez, Walter Klimecki, A. Jay Gandolfi, and Mariano E. Cebrián. "Nutrient-Gene Interaction in Arsenic Metabolism." ISEE Conference Abstracts 2014, no. 1 (October 20, 2014): 2026. http://dx.doi.org/10.1289/isee.2014.p3-767.

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Chan, Lingtak-Neander. "Drug-nutrient interaction in clinical nutrition." Current Opinion in Clinical Nutrition and Metabolic Care 5, no. 3 (May 2002): 327–32. http://dx.doi.org/10.1097/00075197-200205000-00014.

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Jeyakumar, P., R. Amutha, and T. N. Balamohan. "NUTRIENT-BIOREGULATOR INTERACTION EFFECTS ON BANANA." Acta Horticulturae, no. 884 (December 2010): 517–24. http://dx.doi.org/10.17660/actahortic.2010.884.66.

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Lee, Wai-Nang P., and Vay Liang W. Go. "Nutrient-Gene Interaction: Tracer-Based Metabolomics." Journal of Nutrition 135, no. 12 (December 1, 2005): 3027S—3032S. http://dx.doi.org/10.1093/jn/135.12.3027s.

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Bagale, Suman. "Nutrient Management for Soybean Crops." International Journal of Agronomy 2021 (September 6, 2021): 1–10. http://dx.doi.org/10.1155/2021/3304634.

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Soybean is one of the most important pulse crops in the world which supplies most of the protein and oil requirements. The efficient production of soybean crops is a constraint, with several biotic factors, abiotic factors, and crop management practices. Nutrient management is one of the important aspects for achieving higher production of crops. Effective nutrient management helps to assure the required nutrients needed for the plant without causing a significant decrease in the yield of crops. In addition to this, managing the nutrient efficiently helps the crop to cope with several types of biotic and abiotic stress. For soybean crop, altogether fifteen nutrients are needed, which comprises six macronutrients, namely, nitrogen, phosphorous, potassium, calcium, magnesium, and sulfur, which are required relatively in large amounts, and nine micronutrients which include iron, boron, zinc, cobalt, copper, manganese, molybdenum, nickel, and chlorine. These nutrients can be supplied to the plants through soil incorporation or foliar spray of commercially available fertilizers. Nutrient requirements for soybean crops vary in concentration, and deviations can cause nutrient deficiency or toxicity in soybean crops. Nutrient availability to soybean crops depends on the available nutrients in the soil solution, the form of available soil nutrients, mode of uptake of nutrients, its interaction with other soil nutrients, soil chemistry, and method of fertilizer application. This review article explores essential nutrients for sustainable soybean production in relation to the role and functions of nutrients, required concentration, and visual syndrome shown during deficiency, including findings from several researches. The review article is aimed to guide soybean farmers for effective nutrient management and academicians in reviewing the literature in soybean nutrient management.

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Luo, Jia, Xiaoling Zhou, Yuxin Tian, Yongzhong Chen, and Longshen Chen. "Distribution of nutrients in Camellia oleifera Abel. and their correlation with soil nutrients over the period of fruit maturation." Bangladesh Journal of Botany 49, no. 3 (September 20, 2020): 499–505. http://dx.doi.org/10.3329/bjb.v49i3.49530.

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In order to provide the scientific basis for Camellia oleifera nutrient diagnosis and fertilizer formulation, the correlation between soil nutrients and nutrient elements in different organs of Camellia oleifera was studied in ten-year-old Camellia oleifera in Changning city. The results showed that among the nutrient elements, the content of N and P were the highest and lowest in various organs, respectively. Correspondingly, the highest content of macro-element in the soil was Ca. Besides, there were diverse relations among nutrients in soil and those in different organs of Camellia oleifera. Soil nutrients were most closely associated with that of stem, so was soil N, Zn, Mn, Pb and K with the plant nutrients. In addition, soil exchangeable Mn content was positively correlated with nutrients of different organs. Moreover, soil N showed highly significant correlation with N content in stem while soil Cd content was negatively correlated with Cd content of all organs. Thus, there prevails a complex interaction of nutrient elements in the soil and exists a synergy or/and antagonism effect among of elements in plants. Consequently, the understanding of effect of interaction between different elements might provide better idea for achieving the precise fertilization, which could further reduce costs and increase production.

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Malik, Vikram, and Victor R. Timmer. "Interaction of nutrient-loaded black spruce seedlings with neighbouring vegetation in greenhouse environments." Canadian Journal of Forest Research 25, no. 6 (June 1, 1995): 1017–23. http://dx.doi.org/10.1139/x95-110.

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The interaction of newly planted, nutrient-loaded black spruce (Piceamariana (Mill.) B.S.P.) seedlings with naturally occurring vegetation was investigated for one growing season under greenhouse conditions using bioassays retrieved from a boreal mixedwood site. Nutrient-loaded seedlings were similar in height and biomass to conventionally fertilized seedlings at planting, but contained 43, 76, and 33% more tissue N, P, and K content due to higher nursery fertilization, which induced luxury consumption. Nutrient-loaded seedlings outperformed conventionally fertilized seedlings in respective height and biomass growth by 35 and 28% in herbicide-treated plots, and by 44 and 37% in untreated plots, resulting in a 27% reduction in neighbouring vegetation biomass by the end of the season. The loading treatments stimulated nutrient uptake after planting, although the depletion of preplant nutrient reserves was greater. A significant negative correlation was observed between tree and weed biomass accumulation. Slope differences indicated that loaded trees were less sensitive to neighbouring vegetation than conventionally fertilized trees. The enhanced competitive ability of loaded seedlings against naturally occurring vegetation was probably due to the translocation of more nutrients to actively growing parts from reserves built up during the nursery preconditioning phase.

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Bhattacharyya, Joydeb, and Samares Pal. "Nutrient-phytoplankton-zooplankton interaction with variable yields." Applicationes Mathematicae 40, no. 3 (2013): 327–49. http://dx.doi.org/10.4064/am40-3-5.

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Go, Vay Liang W., Christine T. H. Nguyen, Diane M. Harris, and Wai-Nang Paul Lee. "Nutrient-Gene Interaction: Metabolic Genotype-Phenotype Relationship." Journal of Nutrition 135, no. 12 (December 1, 2005): 3016S—3020S. http://dx.doi.org/10.1093/jn/135.12.3016s.

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Hayes, J. R., and J. F. Borzelleca. "Nutrient interaction with drugs and other xenobiotics." Journal of the American Dietetic Association 85, no. 3 (March 1985): 335–39. http://dx.doi.org/10.1016/s0002-8223(21)03609-9.

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Teixeira, Leonardo Henrique, and José Luiz Attayde. "Synergistic effects between omnivorous filter-feeding fish and nutrient enrichment on algal biomass." Acta Limnologica Brasiliensia 27, no. 2 (June 2015): 223–27. http://dx.doi.org/10.1590/s2179-975x6913.

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Aim: The Nile tilapia - Oreochromis niloticus(Linnaeus 1758) - is an exotic omnivorous filter-feeding fish that has been stocked for three decades in man-made lakes of Northeastern Brazil. Most experiments manipulating omnivorous filter-feeding fish in eutrophic lakes and reservoirs shows that their presence tends to increase phytoplankton biomass and primary production. In this study, we tested the hypothesis that tilapia interact synergistically with nutrient enrichment so that the effects of omnivorous fish on phytoplankton biomass becomes more intense with increasing nutrient concentration.MethodsA field experiment with a 2×3 factorial design was performed during four weeks in twenty-four mesocosms (0.25 m3) to which six treatments were randomly allocated: fingerling addition (F), juvenile tilapia addition (J), nutrient addition (NP), nutrient and fingerling addition (NPF), nutrient and juvenile tilapia addition (NPJ) and a control treatment with no tilapia or nutrients addition (C). A two-way repeated measures ANOVA was done to test for time (t), tilapia and nutrients effects and their interaction on total phosphorus, total nitrogen and chlorophyll-a concentrations.ResultsThe results showed a positive effect of nutrient addition on total phosphorus, total nitrogen and chlorophyll-a concentrations and a positive effect of tilapia on the concentration of chlorophyll-a. As expected, we found a synergistic interaction between the positive effect of Nile tilapia and nutrient enrichment on phytoplankton biomass.ConclusionsThe above results suggest that controlling tilapia abundance through fisheries management is a potential tool to improve water quality and mitigate the effects of lake and reservoir eutrophication.

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Sari, Kun Rawan, Jamzuri Hadie, and Chatimatun Nisa. "Pengaruh Media Tanam pada Berbagai Konsentrasi Nutrisi terhadap Pertumbuhan dan Hasil Seledri dengan Sistem Tanam Hidroponik NFT." Daun: Jurnal Ilmiah Pertanian dan Kehutanan 3, no. 1 (June 1, 2016): 7–14. http://dx.doi.org/10.33084/daun.v3i1.155.

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Celery is a commercial plant that should be cultivated. Nutrient Film Technique Hydroponic cultivation systems is one of the technologies that can be applied in a narrow area, but research of the planting medium and the concentration of nutrients in hydroponiccultivation system for celery plants are rare. This study aimed to analyze the influence interaction planting medium and nutrient concentrations on the growth and yield of celery. The design of this study used split plot design. The main plot were the concentration of nutrients (N): 1200 ppm (n1), 1300 ppm (n2), and 1400 ppm (n3). Subplot were the planting mediums (M): rockwool as control (m0), sawdust (m1), husk fuel (m2), and rice straw (m3). There were twelve combinations, with three replicates. The results showed that treatment interaction was not significant effect on growth and yield, but a single treatment of plant media rockwool and nutrient concentration of 1300 ppm able to increase the growth and yield of celery.

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Sari, Kun Rawan. "Influence of Planting Medium on Different Nutrient Concentration to The Growth and Yield of Celery (Apium graveolens L.) With The Nutrient Film Technique Hydroponic Cultivation System." AGRIFOR 17, no. 1 (March 11, 2018): 115. http://dx.doi.org/10.31293/af.v17i1.3356.

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Celery is a commercial plant that should be cultivated. Nutrient Film Technique Hydroponic cultivation systems is one of the technologies that can be applied in a narrow area, but research of the planting medium and the concentration of nutrients in hydroponic cultivation system for celery plants are rare. This study aimed to analyze the influence interaction and single factors planting medium and nutrient concentrations on the growth and yield of celery. The design of this study used split plot design. The main plot were the concentration of nutrients (n): 1200 ppm (n1), 1300 ppm (n2), and 1400 ppm (n3). Subplot were the planting mediums (m): rockwool as control (m0), sawdust (m1), husk fuel (m2), and rice straw (m3). There were twelve combinations, with three replicates. The results showed that treatment interaction was not significant effect on growth and yield, but a single treatment of plant media rockwool and nutrient concentration of 1300 ppm able to increase the growth and yield of celery.

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Hofmann, Julia, and Florian Grundler. "How do nematodes get their sweets? Solute supply to sedentary plant-parasitic nematodes." Nematology 9, no. 4 (2007): 451–58. http://dx.doi.org/10.1163/156854107781487305.

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AbstractSedentary cyst and root-knot nematodes withdraw large amounts of solutes from feeding structures induced in host roots. The feeding structures are specialised cells with a high metabolic activity and a tremendous capacity in translocation of nutrients. The required nutrients are provided by the plant transport systems – water and inorganic solutes from the xylem, assimilates such as sugars and amino acids from the phloem. Here we discuss the available data on the mechanisms by which nutrients are translocated into the nematode feeding sites. The interaction between Heterodera schachtii and Arabidopsis thaliana serves as a model system for cyst nematodes. In this case sufficient data are available to propose a conclusive concept for the mechanisms of nutrient flow: basically, in the early stages of nematode development syncytia are symplasmically isolated, so that transport proteins are responsible for the nutrient supply. Later, connections to the phloem via plasmodesmata are established, so that developing females are well supplied with assimilates. The interactions of root-knot nematodes with their hosts share a number of similarities but the data currently available are not sufficient to draw similar conclusions. As nutrient supply and functionality of feeding structures are the basis of biotrophic parasitism of sedentary nematodes, it is tempting to unravel the mechanisms by which both plant and nematodes influence each other via nutrient fluxes.

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McClellan, Ty A., Roch E. Gaussoin, Robert C. Shearman, Charles S. Wortmann, Martha Mamo, Garald L. Horst, and David B. Marx. "Nutrient and Chemical Properties of Aging Golf Course Putting Greens as Impacted by Soil Depth and Mat Development." HortScience 44, no. 2 (April 2009): 452–58. http://dx.doi.org/10.21273/hortsci.44.2.452.

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Nutrient and chemical changes in turfgrass sand-based root zones are not well understood. This study was conducted to characterize nutrient and chemical properties in putting greens influenced by root zone mixture and establishment treatment, putting green age, and soil depth. Putting greens were constructed and established with Agrostis stolonifera L. in sequential years from 1997 to 2000. Treatments included root zone mixtures of 80:20 (v:v) sand and sphagnum peat and 80:15:5 (v:v:v) sand, sphagnum peat, and soil, and accelerated versus controlled establishment. In the establishment year, the accelerated treatment received 2.6-, 3.0-, and 2.6-fold more nitrogen, phosphorus, and potassium, respectively, than the controlled treatment. Soil samples were taken in Fall 2001, Spring 2004, and Summer 2004 and were analyzed for nutrient and chemical properties such as pH, cation exchange capacity (CEC), organic matter (OM), total soluble salts (TSS), and 12 nutrients. The root zone mixture and establishment treatments had minimal effects on most nutrient and chemical properties with the exception of phosphorus and pH. Cation exchange capacity, OM, TSS, and all nutrients decreased with soil depth, whereas soil pH increased. The putting green age × soil depth interaction was significant for many of the nutrient and chemical properties, but separating soil samples into mat and original root zone instead of predetermined soil sampling depths eliminated most of these interactions. The mat layer had higher CEC and OM values and nutrient concentrations and lower pH values than the original root zone mixture.

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MUSIELAK, MAGDALENA M., LEE KARP-BOSS, PETER A. JUMARS, and LISA J. FAUCI. "Nutrient transport and acquisition by diatom chains in a moving fluid." Journal of Fluid Mechanics 638 (September 18, 2009): 401–21. http://dx.doi.org/10.1017/s0022112009991108.

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The role of fluid motion in delivery of nutrients to phytoplankton cells is a fundamental question in biological and chemical oceanography. In the study of mass transfer to phytoplankton, diatoms are of particular interest. They are non-motile, are often the most abundant components in aggregates and often form chains, so they are the ones expected to benefit most from enhancement of nutrient flux due to dissipating turbulence. Experimental data to test the contribution of advection to nutrient acquisition by phytoplankton are scarce, mainly because of the inability to visualize, record and thus imitate fluid motions in the vicinities of cells in natural flows. Laboratory experiments have most often used steady Couette flows to simulate the effects of turbulence on plankton. However, steady flow, producing spatially uniform shear, fails to capture the diffusion of momentum and vorticity, the essence of turbulence. Thus, numerical modelling plays an important role in the study of effects of fluid motion on diffusive and advective nutrient fluxes. In this paper we use the immersed boundary method to model the interaction of rigid and flexible diatom chains with the surrounding fluid and nutrients. We examine this interaction in two nutrient regimes, a uniform background concentration of nutrients, such as might be typical of an early spring bloom, and a contrasting scenario in which nutrients are supplied as small, randomly distributed pulses, as is more likely for oligotrophic seas and summer conditions in coastal and boreal seas. We also vary the length and flexibility of chains, as whether chains are straight or bent, rigid or flexible will affect their behaviour in the flow and hence their nutrient fluxes. The results of numerical experiments suggest that stiff chains consume more nutrients than solitary cells. Stiff chains also experience larger nutrient fluxes compared to flexible chains, and the nutrient uptake per cell increases with increasing stiffness of the chain, suggesting a major advantage of silica frustules in diatoms.

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Lopes, Everton Moraes, Rumão Batista Nunes de Carvalho, and Rivelilson Mendes de Freitas. "Analysis of possible food/nutrient and drug interactions in hospitalized patients." Einstein (São Paulo) 8, no. 3 (September 2010): 298–302. http://dx.doi.org/10.1590/s1679-45082010ao1672.

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ABSTRACT Objective: To evaluate the prescription in relation to the possible interactions between drugs and foods/nutrients in the diets of patients in the Hospital Regional Justino Luz in the municipality of Picos, Piauí, Brazil. Methods: The sample consisted of 60 medical records of patients admitted at the hospital. The records were analyzed according to the presence or absence of interactions between drugs and foods/nutrients of the prescribed diets. Results: Of the 82 drugs prescribed in all periods, there were 16 drugs (19.5%) with possible interaction with food, a total of 60 interactions between nutrient/food and medicine. Thus, 18 (30%), 10 (17%) and 8 (13%) possible interactions were identified with captopril (cardiovascular drug) with acetylsalicylic acid (anti-inflammatory) and spironolactone (diuretic), respectively representing the highest numbers of interactions among the classes of investigated drugs. It was also found that the total interactions between food/nutrients and drugs, 32 (53%) accounted for interactions with cardiovascular drugs, 13 (22%) with anti-inflammatory drugs, 11 (18%) with diuretic agents e 4 (7%) with drugs that act on the digestive tract. Conclusion: There was a high number of interactions between food/nutrients and medicines emphasizing the need for prior knowledge of these interactions as a way to avoid impairment in the treatment, longer hospital stays and/or damage to the nutritional status of the patients.

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McCormack, T., O. Naughton, P. M. Johnston, and L. W. Gill. "Quantifying the influence of surface water–groundwater interaction on nutrient flux in a lowland karst catchment." Hydrology and Earth System Sciences 20, no. 5 (June 1, 2016): 2119–33. http://dx.doi.org/10.5194/hess-20-2119-2016.

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Abstract. Nutrient contamination of surface waters and groundwaters is an issue of growing importance as the risks associated with agricultural run-off escalate due to increasing demands on global food production. In this study, the influence of surface water–groundwater interaction on the nutrient flux in a lowland karst catchment was investigated with the aid of alkalinity sampling and a hydrological model. The objective of the study was to determine the impact of ephemeral karst lakes (turloughs) on the surface water–groundwater nutrient flux, and whether these lakes act as sources or sinks of nutrients within the groundwater flow system. Water samples were tested from a variety of rivers, turloughs, boreholes and springs at monthly intervals over 3 years. Alkalinity sampling was used to elucidate the contrasting hydrological functioning between different turloughs. Such disparate hydrological functioning was further investigated with the aid of a hydrological model which allowed for an estimate of allogenically and autogenically derived nutrient loading into the karst system. The model also allowed for an investigation of mixing within the turloughs, comparing observed behaviours with the hypothetical conservative behaviour allowed for by the model. Within the turloughs, recorded nutrient concentrations were found to reduce over the flooded period, even though the turloughs hydrological functioning (and the hydrological model) suggested this would not occur under conservative conditions. As such, it was determined that nutrient loss processes were occurring within the system. Denitrification during stable flooded periods (typically 3–4 months per year) was deemed to be the main process reducing nitrogen concentrations within the turloughs, whereas phosphorus loss is thought to occur mostly via sedimentation and subsequent soil deposition. The results from this study suggest that, in stable conditions, ephemeral lakes can impart considerable nutrient losses on a karst groundwater system.

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CHATTERJEE, ANAL, and SAMARES PAL. "COEXISTENCE OF PLANKTON MODEL WITH ESSENTIAL MULTIPLE NUTRIENT IN CHEMOSTAT." International Journal of Biomathematics 06, no. 06 (November 2013): 1350042. http://dx.doi.org/10.1142/s1793524513500423.

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We consider a phytoplankton–zooplankton interaction model which depends on two complementary nutrients. For a realistic representation in chemostat plankton ecosystem, we have incorporated various natural phenomena such as dissolved limiting nutrients with nutrient uptake functions and yield constants. For the model with two different constant nutrient inputs with same constant washout rate, existence and stability of non-negative equilibria as well as persistence are given. We analyze the behavior of solution of model in order to answer the biological question and seek to determine the limiting behavior of the surviving organisms and the nutrients. It is observed that the constant nutrient inputs of two complementary nutrients play an important role to change steady state behavior of the system. Further it is observed that if the dilution rate of chemostat crosses certain critical value, the system enters into Hopf-bifurcation. Finally, we have derived the explicit algorithm which determines the direction of Hopf-bifurcation. Computer simulations have been carried out to illustrate different analytical results.

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Chang, Xiaoqian, Kathryn L. Kingsley, and James F. White. "Chemical Interactions at the Interface of Plant Root Hair Cells and Intracellular Bacteria." Microorganisms 9, no. 5 (May 12, 2021): 1041. http://dx.doi.org/10.3390/microorganisms9051041.

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In this research, we conducted histochemical, inhibitor and other experiments to evaluate the chemical interactions between intracellular bacteria and plant cells. As a result of these experiments, we hypothesize two chemical interactions between bacteria and plant cells. The first chemical interaction between endophyte and plant is initiated by microbe-produced ethylene that triggers plant cells to grow, release nutrients and produce superoxide. The superoxide combines with ethylene to form products hydrogen peroxide and carbon dioxide. In the second interaction between microbe and plant the microbe responds to plant-produced superoxide by secretion of nitric oxide to neutralize superoxide. Nitric oxide and superoxide combine to form peroxynitrite that is catalyzed by carbon dioxide to form nitrate. The two chemical interactions underlie hypothesized nutrient exchanges in which plant cells provide intracellular bacteria with fixed carbon, and bacteria provide plant cells with fixed nitrogen. As a consequence of these two interactions between endophytes and plants, plants grow and acquire nutrients from endophytes, and plants acquire enhanced oxidative stress tolerance, becoming more tolerant to abiotic and biotic stresses.

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Droop, M. R. "Fluorescence and the Light/Nutrient Interaction in Monochrysis." Journal of the Marine Biological Association of the United Kingdom 65, no. 1 (February 1985): 221–37. http://dx.doi.org/10.1017/s0025315400060926.

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The observed diminution in photosynthetic efficiency upon vitamin B12 limitation in Monochrysis indicates that nutrient limitation may profoundly influence the photosynthetic status of a natural population and must therefore be taken into account in productivity studies (Droop et al. 1982). It also suggests that photosynthetic efficiency could be used as a criterion between nutrient and light control of growth in natural populations. However, measurement of photosynthetic efficiency is cumbersome under field conditions and it would be advantageous if some other associated variable more quickly measured, such as, e.g. in vivo chlorophyll a fluorescence, could be used as a reliable indicator.

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Jang, Sophia R. J., James Baglama, and Johannes Rick. "Plankton-toxin interaction with a variable input nutrient." Journal of Biological Dynamics 2, no. 1 (January 2008): 14–30. http://dx.doi.org/10.1080/17513750801942511.

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Mocchegiani, Eugenio, Laura Costarelli, Robertina Giacconi, Catia Cipriano, Elisa Muti, Silvia Tesei, and Marco Malavolta. "Nutrient–gene interaction in ageing and successful ageing." Mechanisms of Ageing and Development 127, no. 6 (June 2006): 517–25. http://dx.doi.org/10.1016/j.mad.2006.01.010.

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Gil, Michael A. "Unity through nonlinearity: a unimodal coral–nutrient interaction." Ecology 94, no. 8 (August 2013): 1871–77. http://dx.doi.org/10.1890/12-1697.1.

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Sharma, Amit, Anuj Kumar Sharma, and Kulbhushan Agnihotri. "The dynamic of plankton–nutrient interaction with delay." Applied Mathematics and Computation 231 (March 2014): 503–15. http://dx.doi.org/10.1016/j.amc.2014.01.042.

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Smith, Daniel L., Crystal H. Maharrey, Christopher R. Carey, Richard A. White, and John L. Hartman. "Gene-nutrient interaction markedly influences yeast chronological lifespan." Experimental Gerontology 86 (December 2016): 113–23. http://dx.doi.org/10.1016/j.exger.2016.04.012.

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Martínez-Crego, B., I. Olivé, and R. Santos. "CO<sub>2</sub> and nutrient-driven changes across multiple levels of organization in <i>Zostera noltii</i> ecosystems." Biogeosciences Discussions 11, no. 4 (April 3, 2014): 5239–74. http://dx.doi.org/10.5194/bgd-11-5239-2014.

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Abstract. Increasing evidence emphasizes that the effects of human impacts on ecosystems must be investigated using designs that incorporate the responses across levels of biological organization as well as the effects of multiple stressors. Here we implemented a mesocosm experiment to investigate how the effects of CO2 enrichment and its interaction with eutrophication, scale-up from changes in primary producers at the individual- (biochemistry) or population-level (production, reproduction, and/or abundance) to higher levels of community (macroalgae abundance, herbivory, and global metabolism) and ecosystem organization (detritus release and carbon sink capacity). The responses of Zostera noltii seagrass meadows growing in low- and high- nutrient field conditions were compared. In both meadows, the effect of elevated CO2 levels was mediated by epiphyte proliferation (mostly the cyanobacterium Microcoleus spp.), but not through changes in plant biochemistry or population-level traits. In the low-nutrient meadow, epiphyte proliferation suppressed the CO2 benefits on Z. noltii leaf production and led to increased detritus and decreased organic matter in sediment. Faster and stronger responses to nutrients than to CO2 were observed. Nutrient addition enhanced the nutritional quality of Z. noltii (high N, low C : N and phenolics) and the loss of leaves and shoots, while promoted the proliferation of pennate diatoms and purple bacteria. These changes led to a reduced sediment organic matter, but had no significant effects on herbivory nor on community metabolism. Interestingly, the interaction with CO2 attenuated eutrophication effects. In the high-nutrient meadow, a striking shoot decline caused by amphipod overgrazing was observed, with no response to CO2 and nutrient additions. Our results reveal that under future scenarios of CO2, the responses of seagrass ecosystems will be complex, being mediated by epiphyte proliferation rather than by effects on plant biochemistry. The multi-level responses of the system to nutrients overwhelmed those to CO2 enrichment, but the interaction between stressors reduced the effects of eutrophication. Both, CO2 and nutrient enrichments can reduce the carbon sink capacity of seagrass meadows.

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Dolling, PJ, WM Porter, and AD Robson. "Effect of soil acidity on barley production in the south-west of Western Australia. 1. The interaction between lime and nutrient application." Australian Journal of Experimental Agriculture 31, no. 6 (1991): 803. http://dx.doi.org/10.1071/ea9910803.

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The effect of soil acidity on barley growth in Western Australia and the role of aluminium toxicity and nutrient deficiencies were examined at 9 sites using 5 application rates of lime and 3 levels of supply of nutrients. Nutrient plant analysis was also used to assess the mechanisms involved in any response to lime.Lime application increased barley yields at 3 sites, by 9-30%, by alleviating aluminium toxicity. Nutrient treatments did not interact with the lime response. The largest reduction in grain yield (>15%) that was due to aluminium toxicity occurred at the site which had the lowest pH (4.3 in 0.01 mol CaCl2/L) and the highest concentration of CaCl2-extractable aluminium (5 �g/g).

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Russo, Ferguson, Beckerman, and Pandhal. "Structural Equation Modelling Reveals That Nutrients and Physicochemistry Act Additively on the Dynamics of a Microcosm-Based Biotic Community." Biology 8, no. 4 (November 14, 2019): 87. http://dx.doi.org/10.3390/biology8040087.

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Anthropogenic eutrophication has caused widespread environmental problems in freshwater lakes, reducing biodiversity and disrupting the classic pelagic food chain. Increasing our understanding of the exact role of nutrients and physicochemical variables on microbial dynamics, and subsequent microalgal and cyanobacterial blooms, has involved numerous studies ranging from replicate microcosm-based studies through to temporal studies of real lake data. In a previous experimental microcosm study, we utilised metaproteomics to investigate the functional changes of a microalgal-bacterial community under oligotrophic and eutrophic nutrient levels. Here, we analyse the time series data from this experiment with a combination of typically used univariate analyses and a more modern multivariate approach, structural equation modelling. Our aim was to test, using these modern methods, whether physicochemical variables and nutrient dynamics acted additively, synergistically, or antagonistically on the specific biotic community used in the microcosms. We found that nutrients (nitrogen and phosphorus) and temperature acted additively on the interactions between the microalgae and bacteria present, with the temperature effects elevated in the eutrophic conditions we applied. The data suggests that there may be no synergistic interaction between nutrients and temperature in the tested microcosms. Our approach demonstrates how the application of multivariate methods to existing datasets, in our case from nutrient-enriched freshwater microcosms, enables new information to be extracted, enhancing interpretations as well as allowing more reliable comparisons to similar published studies.

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KRIBS, CHRISTOPHER M., and OMOMAYOWA OLAWOYIN. "BACKWARD BIFURCATION IN NEUTROPHIL-PATHOGEN INTERACTION." Revista de Matemática: Teoría y Aplicaciones 27, no. 1 (December 5, 2019): 141–56. http://dx.doi.org/10.15517/rmta.v27i1.39965.

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Bacterial infections elicit immune responses including neutrophils, whose recruitment is stimulated by the bacteria’s presence but which die after eliminating those bacteria. This dual interaction between bacteria and neutrophil concentrations, more complicated than the simple predator-prey relationship that describes macrophage-bacteria interactions, creates an environment in which neutrophils may only be able to clear sufficiently small infections. This study describes this relationship using a simple nonlinear dynamical system which exhibits bistability behavior known as a backward bifurcation. Bacterial growth is assumed limited by a key nutrient. In contrast to a previous study which held neutrophil and nutrient levels constant and required saturation terms to produce bistability, our model shows that simple bilinear terms support bistability when nutrient and neutrophil densities are allowed to vary in response to bacterial density. An example application involving Borrelia burgdorferi, which feeds on manganese, illustrates why neutrophils’ rapid response is key to their ability to contain bacterial infections.

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Rothe, Andreas, and Dan Binkley. "Nutritional interactions in mixed species forests: a synthesis." Canadian Journal of Forest Research 31, no. 11 (November 1, 2001): 1855–70. http://dx.doi.org/10.1139/x01-120.

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For more than a century, scientists have considered whether mixtures of tree species may differ in nutrition and yield relative to monocultures. We review the empirical evidence on the nutritional interactions of tree species in mixtures, including information on foliar nutrition, soil nutrient supply, rates of nutrient input, and patterns of root distribution. Linear effects were most common, with mixtures intermediate in value between monocultures. In some cases, values for mixtures were lower than expected, indicating an antagonistic interaction. A few cases that included nitrogen- fixing species showed a synergistic interaction, with mixtures showing higher values than monocultures. Nutrient concentrations in foliage of Sitka spruce (Picea sitchensis (Bong.) Carrière) were improved in mixtures with other conifers in three studies, in contrast to four studies with mixtures of various conifers and hardwoods that showed no effect of mixtures on foliage nutrient concentrations. Mixtures that combine species with and without the ability to fix atmospheric nitrogen have shown a full range of foliar responses from decreases to increases in phosphorus, to increases in nitrogen, to no effect of mixtures. Rates of litter decomposition usually showed no effect of species mixtures, but a few cases demonstrated both increases and decreases in decomposition relative to monocultures. Pools of soil nutrients generally did not differ between mixtures and monocultures. Root distributions in mixtures of Norway spruce (Picea abies (L.) Karst.) and beech (Fagus sylvatica L.) were altered in mixtures; compared with monocultures, spruce rooted more shallowly in mixtures with beech, and beech rooted more deeply in mixtures with spruce. General conclusions are limited by the small number of studies that directly addressed mixed-species effects in forests, and the wide variety of observed interactions. Further research would be particularly helpful in identifying situations where nonlinear interactions may develop, including the species and site conditions that promote nonlinear interactions. Neighborhood methods, which analyze the relationship between stand composition and nutritional properties on a small spatial scale, offer great potential for exploring nutritional effects in mixed-species stands.

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Bickerstaffe, R. "Regulation of nutrient partitioning growth and lactation." Australian Journal of Agricultural Research 44, no. 3 (1993): 523. http://dx.doi.org/10.1071/ar9930523.

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This paper will emphasize the impact of growth and lactation on partitioning nutrients, the role of biological signals and whether such signals can be influenced or modified. Factors considered are the mechanisms of controlling cell cycling, growth and differentiation; interaction or cross-talking between tissues (autocrinepeptides, tissue receptors, secondary messengers); effect of extrinsic and intrinsic signals on cellular growth (growth hormones, oncogenes); and manipulation of nutrient partitioning (mutated receptors, gene expression, targeting metabolic genes).

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Lorz, Alexander, and Benoît Perthame. "Long-term behaviour of phenotypically structured models." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 470, no. 2167 (July 8, 2014): 20140089. http://dx.doi.org/10.1098/rspa.2014.0089.

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Phenotypically structured equations arise in population biology to describe the interaction of species with their environment that brings the nutrients. This interaction usually leads to the selection of the fittest individuals. Models used in this area are highly nonlinear, and the question of long-term behaviour is usually not solved. However, there is a particular class of models for which convergence to an evolutionary stable distribution is proved, namely when the quasi-static assumption is made. This means that the environment, and thus the nutrient supply, reacts immediately to the population dynamics. One possible proof is based on a total variation bound for the appropriate quantity. We extend this proof to cases where the nutrient is regenerated gradually. A simple example is the chemostat with a rendering factor, then our result does not use any smallness assumption. For a more general setting, we can treat the case with a fast equilibration of the nutrient concentration.

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Blanco-Macías, F., A. Lara-Herrera, R. D. Valdez-Cepeda, J. O. Cortés-Bañuelos, M. Luna-Flores, and M. A. Salas-Luevano. "INTERACCIONES NUTRIMENTALES Y NORMAS DE LA TÉCNICA DE NUTRIMENTO COMPUESTO EN NOPAL (Opuntia ficus-indica L. Miller)." Revista Chapingo Serie Horticultura XII, no. 2 (December 2006): 165–75. http://dx.doi.org/10.5154/r.rchsh.2005.08.033.

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Liu, Rui-Cheng, Zhi-Yan Xiao, Abeer Hashem, Elsayed Fathi Abd_Allah, Yong-Jie Xu, and Qiang-Sheng Wu. "Unraveling the Interaction between Arbuscular Mycorrhizal Fungi and Camellia Plants." Horticulturae 7, no. 9 (September 17, 2021): 322. http://dx.doi.org/10.3390/horticulturae7090322.

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Camellia is a genus of evergreen shrubs or trees, such as C. japonica, C. sinensis, C. oleifera, etc. A group of beneficial soil microorganisms, arbuscular mycorrhizal fungi (AMF), inhabit the rhizosphere of these Camellia spp. A total of eight genera of Acaulospora, Entrophospora, Funneliformis, Gigaspora, Glomus, Pacispora, Scutellospora, and Sclerocystis were found to be associated with Camellia plants with Glomus and/or Acaulospora being most abundant. These mycorrhizal fungi can colonize the roots of Camellia spp. and thus form arbuscular mycorrhizal symbionts. AMF is an important partner of Camellia spp. in the field of physiological activities. Studies indicated that AMF inoculation has been shown to promote plant growth, improve nutrient acquisition and nutritional quality, and increase resistance to drought, salinity and heavy metal contamination in potted Camellia. This review thus provides a comprehensive overview of AMF species occurring in the rhizosphere of Camellia spp. and summarizes the variation in root AMF colonization rate as well as the environmental factors and soil nutrients affecting root colonization. The paper also reviews the effects of AMF on plant growth response, nutrient acquisition, food quality, and stress tolerance of Camellia spp.

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Pelczar, Patricia L., Takao Igarashi, Barbara Setlow, and Peter Setlow. "Role of GerD in Germination of Bacillus subtilis Spores." Journal of Bacteriology 189, no. 3 (November 22, 2006): 1090–98. http://dx.doi.org/10.1128/jb.01606-06.

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ABSTRACT Spores of a Bacillus subtilis strain with a gerD deletion mutation (ΔgerD) responded much slower than wild-type spores to nutrient germinants, although they did ultimately germinate, outgrow, and form colonies. Spores lacking GerD and nutrient germinant receptors also germinated slowly with nutrients, as did ΔgerD spores in which nutrient receptors were overexpressed. The germination defect of ΔgerD spores was not suppressed by many changes in the sporulation or germination conditions. Germination of ΔgerD spores was also slower than that of wild-type spores with a pressure of 150 MPa, which triggers spore germination through nutrient receptors. Ectopic expression of gerD suppressed the slow germination of ΔgerD spores with nutrients, but overexpression of GerD did not increase rates of spore germination. Loss of GerD had no effect on spore germination induced by agents that do not act through nutrient receptors, including a 1:1 chelate of Ca2+ and dipicolinic acid, dodecylamine, lysozyme in hypertonic medium, a pressure of 500 MPa, and spontaneous germination of spores that lack all nutrient receptors. Deletion of GerD's putative signal peptide or change of its likely diacylglycerylated cysteine residue to alanine reduced GerD function. The latter findings suggest that GerD is located in a spore membrane, most likely the inner membrane, where the nutrient receptors are located. All these data suggest that, while GerD is not essential for nutrient germination, this protein has an important role in spores' rapid response to nutrient germinants, by either direct interaction with nutrient receptors or some signal transduction essential for germination.

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Lucena, Carlos, Rafael Porras, Francisco Romera, Esteban Alcántara, María García, and Rafael Pérez-Vicente. "Similarities and Differences in the Acquisition of Fe and P by Dicot Plants." Agronomy 8, no. 8 (August 15, 2018): 148. http://dx.doi.org/10.3390/agronomy8080148.

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This review deals with two essential plant mineral nutrients, iron (Fe) and phosphorus (P); the acquisition of both has important environmental and economic implications. Both elements are abundant in soils but are scarcely available to plants. To prevent deficiency, dicot plants develop physiological and morphological responses in their roots to specifically acquire Fe or P. Hormones and signalling substances, like ethylene, auxin and nitric oxide (NO), are involved in the activation of nutrient-deficiency responses. The existence of common inducers suggests that they must act in conjunction with nutrient-specific signals in order to develop nutrient-specific deficiency responses. There is evidence suggesting that P- or Fe-related phloem signals could interact with ethylene and NO to confer specificity to the responses to Fe- or P-deficiency, avoiding their induction when ethylene and NO increase due to other nutrient deficiency or stress. The mechanisms responsible for such interaction are not clearly determined, and thus, the regulatory networks that allow or prevent cross talk between P and Fe deficiency responses remain obscure. Here, fragmented information is drawn together to provide a clearer overview of the mechanisms and molecular players involved in the regulation of the responses to Fe or P deficiency and their interactions.

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Fahruni, Fahruni. "Interaksi Tanaman Kacang Tanah (Arachis hypogeae) dalam Agroforestri Interaction Of Peanuts (Arachis hypogeae) In Agroforestri." Daun: Jurnal Ilmiah Pertanian dan Kehutanan 5, no. 1 (June 1, 2018): 27–35. http://dx.doi.org/10.33084/daun.v5i1.322.

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Nutrient availability in the forest soils is affected by forest degradation and deforestation as forest conversion. Peanut (Arachis hypogaea) is included LeguminalesOrdo and able to supply nutrient from the plant parts. As intercrops in agroforestry patterns, peanuts provide interaction for the surrounding soil and plants. The purpose of this research is to know the interaction of peanut plants on nutrient availability and on the growth of rubber plant (Heveabrasiliensis Muell, Arg.) on agroforestry pattern. This research was conducted at the Banjarbaru through the observation of rubber plant growth and soil analysis. Research result shows that peanuts can increase the availability of nutrients in the soil. The N element increases from 0.16% to 0.45%, thereby stimulating vegetative growth (green) such as leaves. The P element increases from 5.57 mg/100gr to 8.93 mg/100gr, the K element increases from 15.87 mg/100gr to 41.50 mg/100 gr, and organic C increased from 0.83% to 1.55%. The interaction of peanut crops as intercropping plants was able to give high impact to the height of the rubber plant, namely 77.68 cm. The impact on the growth of rubber plant diameter also increased by 0.59 cm compared to only the rubber pattern of 0.28 cm.

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Swallah, Mohammed Sharif, Hongling Fu, He Sun, Raïfatou Affoh, and Hansong Yu. "The Impact of Polyphenol on General Nutrient Metabolism in the Monogastric Gastrointestinal Tract." Journal of Food Quality 2020 (June 10, 2020): 1–12. http://dx.doi.org/10.1155/2020/5952834.

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Polyphenols are bioactive compounds occurring in plant foods, which are considered significant owing to their contribution to human health and the prevention of chronic diseases. Phenolic compounds mainly depend on plant food structure and the interaction with other food constituents, mostly proteins, lipids, and carbohydrates. The interaction with the food matrices can obstruct or enhance nutrient accessibility and availability and even impair others. Food digestion is a complex process where ingested foods are converted to nutrients via mechanical and enzymatic alterations. The absorption of nutrients predominantly occurs in the small and large intestine, respectively. The metabolised product, however, is the main bioactive component due to their ability to enter the systemic circulation and reach the targeted organs. There is limited knowledge on the cellular uptake, phenolic metabolite, and polyphenolic effect in the gastrointestinal ecosystem. Therefore, improved understanding of the biological properties and stages of dietary phenols is essential for the effective utilization of their therapeutic potentials. This review will explore, summarise, and collate current information on how polyphenols influence nutrient metabolism, bioavailability, and the biotransformation stages.

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pada Das, K., S. Chatterjee, and J. Chattopadhyay. "Dynamics of Nutrient-Phytoplankton Interaction in the Presence of Viral Infection and Periodic Nutrient Input." Mathematical Modelling of Natural Phenomena 3, no. 3 (2008): 149–69. http://dx.doi.org/10.1051/mmnp:2008062.

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Djalovic, Ivica, Djordje Jockovic, Yinglong Chen, Goran Bekavac, Srdjan Seremesic, Goran Jacimovic, and Milka Brdar-Jokanovic. "Maize nutrient uptake affected by genotype and fertilization." Genetika 47, no. 3 (2015): 941–50. http://dx.doi.org/10.2298/gensr1503941d.

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The content of nutrients in maize are commonly related with fertilization and soil quality and rarely explained with the individual hybrid properties. Therefore, the aim of this study is to access a long term fertilization system on ear leaf of Mg, Fe, Mn and Cu content in six maize hybrids(NS 3014, NS 4015, NS 5043, NS 6010, NS 6030 and NS 7020). Samples were collected from a long-term experiment at the Rimski Sancevi experimental field of the Institute of Field and Vegetable Crops in Novi Sad. The study included maize monoculture and 2-year rotations with the application of NPK and manure. Results showed that ear Mg content was influenced with the treatments, hybrid and their interaction and ranged from 1.77-2.69 g kg-1. Iron variability was significantly affected with the treatments and interaction (hybrid x treatments) in range from 103.2 to151.9g kg-1. The ear manganese content (41.1-63.6g kg-1) derived from treatments and hybrid effect and Cu (12.3-23.6 g kg-1) was significantly influenced with treatments. Across all treatments, in average, NS6030 had higher values of nutrient and NS3014 was lower in ear nutrient content. This indicates that vegetation length could favor nutrient accumulation. Obtained results suggested that even on fairly productive soil such as Chernozem hybrid selection and the balanced fertilization is crucial for managing the maize nutrient content.

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Vainio, Harri. "Modification of lung cancer prevention by gene-nutrient interaction." Scandinavian Journal of Work, Environment & Health 26, no. 6 (December 2000): 459–60. http://dx.doi.org/10.5271/sjweh.568.

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Breen, Leigh, and Stuart M. Phillips. "Nutrient interaction for optimal protein anabolism in resistance exercise." Current Opinion in Clinical Nutrition and Metabolic Care 15, no. 3 (May 2012): 226–32. http://dx.doi.org/10.1097/mco.0b013e3283516850.

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Journal articles on the topic 'Nutrient interaction'

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