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Journal articles on the topic 'Phosphorus mineraliser bacteria'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Tan, Hao, Matthieu Barret, Marlies J. Mooij, et al. "Long-term phosphorus fertilisation increased the diversity of the total bacterial community and the phoD phosphorus mineraliser group in pasture soils." Plant Soil Environment 58, no. 2012 (2012): 661–72. https://doi.org/10.1007/s00374-012-0755-5.

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This study investigated the bacterial communities in a spring barley monoculture site subjected to two different input regimes for over 12 years: a conventional chemical/fertiliser regime, and a reduced input regime. A culture independent approach was performed to compare the bacterial communities through 16S rRNA gene PCR-DGGE. PCO analysis revealed that the rhizosphere has a strong structuring effect on the bacterial community. Moreover, high inputs of agrichemicals lead to an increase of phosphorus level in the soil and a concomitant reduction of the bacterial diversity. These results may h

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Juhna, T., and J. Rubulis. "Problem of DOC removal during biological treatment of surface water with a high amount of humic substances." Water Supply 4, no. 4 (2004): 183–87. http://dx.doi.org/10.2166/ws.2004.0076.

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Chemical precipitation in combination with biological treatment is a commonly used method for removal of turbidity and dissolved organic carbon (DOC) from drinking water. DOC is largely removed during biological treatment, which includes ozonation and filtration through a biologically active carbon (BAC) filter. Ozone converts humic substances into a biologically labile form that is mineralised by bacteria living in the following BAC filter. This study shows that this approach is often not efficient for removal of DOC from waters with a high amount of humic substances. During chemical treatmen

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Forge, T. A., and S. W. Simard. "Short-term effects of nitrogen and phosphorus fertilizers on nitrogen mineralization and trophic structure of the soil ecosystem in forest clearcuts in the southern interior of British Columbia." Canadian Journal of Soil Science 81, no. 1 (2001): 11–20. http://dx.doi.org/10.4141/s00-018.

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Ammonium sulphate and an ammonium sulphate-ammonium phosphate mixture were applied at 200 kg N ha-1 and 200 kg P ha-1 at three clearcut sites within the Interior Cedar-Hemlock biogeoclimatic zone in southern British Columbia. N mineralised under aerobic and anaerobic conditions, nitrification, biomasses of fungi and bacteria,the abundance of protozoa, and the trophic structure of nematode communities were studied at 4, 12, 16, and 28 mo after fertilisation. Nitrogen mineralised under aerobic conditions was greater in fertilised soil than in non-fertilised soil at 4 and 16 mo after fertiliser a

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Xu, Yang, Dai Zhang, Liangxiang Dai, et al. "Influence of Salt Stress on Growth of Spermosphere Bacterial Communities in Different Peanut (Arachis hypogaea L.) Cultivars." International Journal of Molecular Sciences 21, no. 6 (2020): 2131. http://dx.doi.org/10.3390/ijms21062131.

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Background: Exposure of seeds to high salinity can cause reduced germination and poor seedling establishment. Improving the salt tolerance of peanut (Arachis hypogaea L.) seeds during germination is an important breeding goal of the peanut industry. Bacterial communities in the spermosphere soils may be of special importance to seed germination under salt stress, whereas extant results in oilseed crop peanut are scarce. Methods: Here, bacterial communities colonizing peanut seeds with salt stress were characterized using 16S rRNA gene sequencing. Results: Peanut spermosphere was composed of fo

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Chuiko, N. V., A. Yu Chobotarov, and I. K. Kurdish. "Growth and Phytase Activities of Bacillus subtilis IMV B-7023 During Cultivation with Sodium Phytate." Mikrobiolohichnyi Zhurnal 83, no. 6 (2021): 13–19. http://dx.doi.org/10.15407/microbiolj83.06.013.

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Bacteria of the genus Bacillus are known for their ability to mineralize organic phosphorus compounds. Phytates constitute up to 60–80% of the total plant phosphorus and almost 50% of soil organic phosphorus. Phytates phosphorus is unavailable for plants. Bacillus can synthesize phosphatases both wide spectrum of action, and highly specific phytases that catalyze the hydrolysis of phytates. Therefore, the aim of this work was to study the growth and phytase activity of Bacillus subtilis IMV B-7023, which is the component of the ”Azogran” complex bacterial preparation for plant growing. Methods

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Kurth, Julia Katharina, Martin Albrecht, Ulf Karsten, Karin Glaser, Michael Schloter, and Stefanie Schulz. "Correlation of the abundance of bacteria catalyzing phosphorus and nitrogen turnover in biological soil crusts of temperate forests of Germany." Biology and Fertility of Soils 57, no. 2 (2020): 179–92. http://dx.doi.org/10.1007/s00374-020-01515-3.

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AbstractSoil P pools are strongly driven by microbial activities, and vice versa, P pools shape bacterial communities and their functional potential. Biological soil crusts (biocrusts) represent a microbial hotspot for nutrient turnover. We compared biocrusts and bulk soil samples from different temperate beech (Fagus sylvatica L.) forests representing a gradient in soil texture, nutrient concentrations, and pH values at biocrust peak biomass. We measured the total and plant-available P and N concentrations and assessed the bacterial potential to mineralize (phoD, phnX), solubilize (gcd), and

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Tan, Hao, Matthieu Barret, Marlies J. Mooij, et al. "Long-term phosphorus fertilisation increased the diversity of the total bacterial community and the phoD phosphorus mineraliser group in pasture soils." Biology and Fertility of Soils 49, no. 6 (2012): 661–72. http://dx.doi.org/10.1007/s00374-012-0755-5.

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Suldina, E. V., A. V. Masilenko, N. A. Feoktistova, and I. I. Bogdanov. "INDICATION OF ENZYME GENE FRAGMENTS OF BACILLUS MEGATERIUM BACTERIA." Vestnik of Ulyanovsk state agricultural academy 230 (September 25, 2021): 74–78. http://dx.doi.org/10.18286/1816-4501-2021-3-74-78.

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The soil microbial component plays a critical role in maintaining the soil functionality, performing several vital functions such as soil formation, decomposition of dead and decayed organic matter, circulation of macro and micro elements and transformation of toxic chemicals into non-toxic forms. Various Bacillus species, including B. megaterium, are known to fix atmospheric nitrogen. To ensure nitrogen fixation and diversity analysis of diazotrophs, the most widely used gene marker is nifH, which is responsible for synthesis of proteins of the nitrogenase complex. Various soil microorganisms

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Chuiko, N. V., A. Yu Chobotarov, and I. K. Kurdish. "Abiotic Factors Influence on Bacillus subtilis IMV B-7023 Phytase Activity." Mikrobiolohichnyi Zhurnal 84, no. 6 (2023): 3–9. http://dx.doi.org/10.15407/microbiolj84.06.003.

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Bacteria of the Bacillus genus can synthesize specific phytase enzymes. This property is especially important for soil bacteria. It helps to mineralize phytin and phytates and to provide these bacteria and plants (in the root zone of which they live) with the available phosphorus. Our previous studies have demonstrated that the Bacillus subtilis IMV B-7023 strain exhibits a phytase activity and can use phytate as a nutrition source. It is a component of the «Azogran» complex bacterial preparation for crop production. As known, abiotic environmental factors can influence the phytase activity of

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10

Fitriatin, Betty Natalie, Pujawati Suryatmana, Anny Yuniarti, and Noor Istifadah. "The Application of Phosphate Solubilizing Microbes Biofertilizer to Increase Soil P and Yield of Maize on Ultisols Jatinangor." KnE Life Sciences 2, no. 6 (2017): 179. http://dx.doi.org/10.18502/kls.v2i6.1037.

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Ultisols has problems of low availability of nutrients, especially phosphorus. To improve soil phosphate and P fertilizer efficiency, it is necessary to develop biofertilizer such as phosphate solubilizing microbes. Phosphate solubilizing microbes (PSM) have the capability of dissolving soil phosphorus which have been adsorbed and can mineralize organic P to become inorganic P, hence increasing the avalibility of P in the soil. Phosphate solubilizing bacteria (Pseudomonas mallei and Pseudomonas cepacea) and phosphate solubilizing fungi (Penicillium sp. and Aspergillus sp) were selected based o

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Stamenov, Dragana, Timea Hajnal-Jafari, Simonida Djuric, and Dino Hasanagic. "Biostimulatory activity of root-associated bacillus isolates from nettle (Urtica dioica L.)." Zbornik Matice srpske za prirodne nauke, no. 147 (2024): 47–57. http://dx.doi.org/10.2298/zmspn2447047s.

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The objective of this research was to isolate bacteria belonging to the genus Bacillus from the nettle rhizosphere, conduct biochemical and plant-growth-promoting (PGP) characterization of isolates, and examine their biostimulatory effects on the seeds of medicinal plants. Microorganisms were isolated using the agar plate method for bacterial isolation. Biochemical characterization involved evaluating the isolates? ability to produce enzymes such as lipase, amylase, pectinase, protease, cellulose, urease and gelatinase. Plant-growth-promoting (PGP) characterization included evaluation of indol

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Suliasih, S. Widawati, A. Z. N. Ikhwani, Suyadi, and I. M. Sudiana. "Phytase activity of phytase-producing bacteria isolated from mangrove sediment." IOP Conference Series: Earth and Environmental Science 976, no. 1 (2022): 012041. http://dx.doi.org/10.1088/1755-1315/976/1/012041.

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Abstract Through the role of phytase, some soil bacteria can mineralize insoluble organic P such as phytate (myoinositol hexakisphosphate). Phytase is a secreted enzyme possessing the ability to hydrolyze phytate into phosphate esters and inorganic P for plants absorption. This study aimed to isolate phytase-producing bacteria from mangrove sediment and examine the influence of nutrients (source of carbon, nitrogen, phosphorus) and physical conditions (temperature, pH, NaCl tolerance) on maximum phytase production. The presence of phytase activity was determined by examining the individual col

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Guo, Zhen, Jichang Han, and Juan Li. "Response of organic carbon mineralization and bacterial communities to soft rock additions in sandy soils." PeerJ 8 (April 13, 2020): e8948. http://dx.doi.org/10.7717/peerj.8948.

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Bacteria play a vital role in biotransformation of soil organic carbon (SOC). However, mechanisms of bacterium and organic carbon mineralization remain unclear during improvement of sandy soil using soft rock additions. In this study, four treatments with differing ratios of soft rock to sand of 0:1 (CK), 1:5 (C1), 1:2 (C2) and 1:1 (C3) were selected for mineralization incubation and high-throughput sequencing. The results showed that SOC, total nitrogen (TN), available phosphorus (AP), nitrate nitrogen (NO${}_{3}^{-}$-N), and mass water content (WC) of sandy soil increased significantly after

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Jamwal, Priyanka, and Shahana Shirin. "Impact of microbial activity on the performance of planted and unplanted wetland at laboratory scale." Water Practice and Technology 16, no. 2 (2021): 472–89. http://dx.doi.org/10.2166/wpt.2021.017.

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Abstract Three horizontal subsurface flow constructed wetland prototypes were set up to identify and understand the role of microflora in nutrient removal under diverse operating conditions. Out of three setups, one setup served as a control (without plants), and the rest were planted with Typha domingensis. The setups were operated at two different hydraulic loading rates (5 cm/day and 16 cm/day) for two months each. Among 27 bacteria species isolated, 80% of nitrate-reducing bacteria were observed in control, and 50–77% of nitrate-reducing bacteria were observed in the plant setups. Presence

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Ahmed, Bulbul, Jean-Baptiste Floc’h, Zakaria Lahrach, and Mohamed Hijri. "Phytate and Microbial Suspension Amendments Increased Soybean Growth and Shifted Microbial Community Structure." Microorganisms 9, no. 9 (2021): 1803. http://dx.doi.org/10.3390/microorganisms9091803.

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Phytate represents an organic pool of phosphorus in soil that requires hydrolysis by phytase enzymes produced by microorganisms prior to its bioavailability by plants. We tested the ability of a microbial suspension made from an old growth maple forest’s undisturbed soil to mineralize phytate in a greenhouse trial on soybean plants inoculated or non-inoculated with the suspension. MiSeq Amplicon sequencing targeting bacterial 16S rRNA gene and fungal ITS was performed to assess microbial community changes following treatments. Our results showed that soybean nodulation and shoot dry weight bio

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16

Wasmund, Kenneth, Claus Pelikan, Arno Schintlmeister, et al. "Genomic insights into diverse bacterial taxa that degrade extracellular DNA in marine sediments." Nature Microbiology 6, no. 7 (2021): 885–98. http://dx.doi.org/10.1038/s41564-021-00917-9.

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AbstractExtracellular DNA is a major macromolecule in global element cycles, and is a particularly crucial phosphorus, nitrogen and carbon source for microorganisms in the seafloor. Nevertheless, the identities, ecophysiology and genetic features of DNA-foraging microorganisms in marine sediments are largely unknown. Here, we combined microcosm experiments, DNA stable isotope probing (SIP), single-cell SIP using nano-scale secondary isotope mass spectrometry (NanoSIMS) and genome-centric metagenomics to study microbial catabolism of DNA and its subcomponents in marine sediments. 13C-DNA added

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17

Singh, Brajesh K., Allan Walker, J. Alun W. Morgan, and Denis J. Wright. "Biodegradation of Chlorpyrifos by Enterobacter Strain B-14 and Its Use in Bioremediation of Contaminated Soils." Applied and Environmental Microbiology 70, no. 8 (2004): 4855–63. http://dx.doi.org/10.1128/aem.70.8.4855-4863.2004.

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ABSTRACT Six chlorpyrifos-degrading bacteria were isolated from an Australian soil and compared by biochemical and molecular methods. The isolates were indistinguishable, and one (strain B-14) was selected for further analysis. This strain showed greatest similarity to members of the order Enterobacteriales and was closest to members of the Enterobacter asburiae group. The ability of the strain to mineralize chlorpyrifos was investigated under different culture conditions, and the strain utilized chlorpyrifos as the sole source of carbon and phosphorus. Studies with ring or uniformly labeled [

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SAIRASH, Sairash, Sirinee JIRAJESSADA, and Supansa YODMUANG. "Designing biphasic nanocellulose hydrogels to mimic the complex cartilage-bone interface." Journal of Metals, Materials and Minerals 34, no. 4 (2024): 2066. http://dx.doi.org/10.55713/jmmm.v34i4.2066.

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Osteochondral lesions, which affect both the cartilage and the bone, present significant challenges in treatment due to the complex mechanical and biochemical properties of these tissues. A crucial consideration in developing tissue replacements for these lesions is the simultaneous regeneration of cartilage and calcified cartilage, which forms the transition zone to bone. Our current study aims to fabricate a bilayer polymeric hydrogel designed not only to support cartilage regeneration but also to serve as an interface between cartilage and bone. The bilayer hydrogel was created by combining

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19

Rapala, Jarkko, Katri A. Berg, Christina Lyra, et al. "Paucibacter toxinivorans gen. nov., sp. nov., a bacterium that degrades cyclic cyanobacterial hepatotoxins microcystins and nodularin." International Journal of Systematic and Evolutionary Microbiology 55, no. 4 (2005): 1563–68. http://dx.doi.org/10.1099/ijs.0.63599-0.

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Thirteen bacterial isolates from lake sediment, capable of degrading cyanobacterial hepatotoxins microcystins and nodularin, were characterized by phenotypic, genetic and genomic approaches. Cells of these isolates were Gram-negative, motile by means of a single polar flagellum, oxidase-positive, weakly catalase-positive and rod-shaped. According to phenotypic characteristics (carbon utilization, fatty acid and enzyme activity profiles), the G+C content of the genomic DNA (66·1–68·0 mol%) and 16S rRNA gene sequence analysis (98·9–100 % similarity) the strains formed a single microdiverse genos

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Raue, Lars, and Helmut Klein. "Location Depending Textures of the Human Dental Enamel." Solid State Phenomena 160 (February 2010): 281–86. http://dx.doi.org/10.4028/www.scientific.net/ssp.160.281.

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Dental enamel is the most highly mineralised and hardest biological tissue in human body [1]. Dental enamel is made of hydroxylapatite (HAP) - Ca5(PO4)3(OH), which is hexagonal (6/m). The lattice parameters are a = b = 0.9418 nm und c = 0.6875 nm [1]. Although HAP is a very hard mineral, it can be dissolved easily in a process which is known as enamel demineralization by lactic acid produced by bacteria. Also the direct consumption of acid (e.g. citric, lactic or phosphoric acid in soft drinks) can harm the dental enamel in a similar way. These processes can damage the dental enamel. It will b

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STAVNSBJERG, M., R. K. HJORTKJAER, V. BILLE-HANSEN, et al. "Toxicological Safety Evaluation of a Bacillus acidopullulyticus Pullulanase." Journal of Food Protection 49, no. 2 (1986): 146–53. http://dx.doi.org/10.4315/0362-028x-49.2.146.

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Promozyme®, an amylopectin debranching enzyme produced by Bacillus acidopullulyticus, was studied to evaluate its safety in the food industry. A dietary subchronic toxicity study incorporating fertility and teratogenicity studies was performed in 1-month-old rats at concentrations of 0.5, 1.5 and 5% Promozyme. No adverse effects were seen at the 0.5 and 1.5% dose levels, and at the 5% dose level only minor or equivocal signs of toxicity were recorded. With the exception of a moderate reduction in body weight gain the FIA litters at the 5% dose level, no effects were found in the fertility stud

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Корчан, Л. М., П. В. Писаренко та М. І. Корчан. "Спосіб знезараження гною і отримання з нього високоякісного добрива". Вісник Полтавської державної аграрної академії, № 1 (29 березня 2019): 154–60. http://dx.doi.org/10.31210/visnyk2019.01.14.

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Мета статті – створення більш дешевого і ефективного способу знезараження гною тварин, забезпечення скорочення термінів знезараження гною і покращання якості отриманого з нього добрива. Методика дослідження. В експериментальних дослідженнях закладено дослідні штабелі твердого підстилкового гною великої рогатої худоби і кіз, які пошарово обробляли в різних співвідношеннях до гною йодобромною мінералізованою пластовою водою (далі МПВ) Решетняківського родовища. Контрольні штабелі гною не обробляли МПВ.Через кожні 15 днів після закладання штабелів від них відбиралися проби гною для вивчення

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Tuscano, Sinal John, and Nilima Gajbhiye. "ISOLATION AND IDENTIFICATION OF PHOSPHATE SOLUBILIZING BACTERIA FROM WASTE DUMPING GROUND IN MUMBAI." International Journal of Research -GRANTHAALAYAH 12, no. 4 (2024). http://dx.doi.org/10.29121/granthaalayah.v12.i4.2024.5635.

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Phosphate solubilizing bacteria can solubilize insoluble phosphate complexes and convert them into available forms that can be used by plants for better growth. Phosphorus in chemical fertilizers gets fixed in the soil and becomes unavailable for plant growth. It is important to find an alternative inexpensive and sustainable technology that could provide sufficient Phosphorus nutrition to plants. An efficient Phosphate solubilizing bacteria was isolated based on its solubilization zone on Pikovskaya’s agar. The amount of Phosphate solubilized by the bacterial isolate was 490.0 ug/ml which was

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Talekar, P. R. "Organic Phosphate mineralization by bacteria isolated from polluted soil." International Journal of Advance and Applied Research 11, no. 4 (2024). https://doi.org/10.5281/zenodo.11059036.

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The phosphorus (P) content in average soils typically ranges around 0.05% (w/w), with only about 0.1% of this phosphorus readily accessible to plants. To become accessible to plants, organic phosphorus compounds must undergo hydrolysis facilitated by phosphatases, primarily driven by soil microorganisms and plant roots. Five highly effective phosphate-solubilizing bacteria were identified in polluted soil in Mumbai. Their ability to mineralize organic phosphate was evaluated using Pikovskaya's medium supplemented with organic phosphate sources such as sodium phytate and deoxyribonucleic acid (

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Jin, Zexing, Feiyan Jiang, Letian Wang, Stéphane Declerck, Gu Feng, and Lin Zhang. "Arbuscular mycorrhizal fungi and Streptomyces: brothers in arms to shape the structure and function of the hyphosphere microbiome in the early stage of interaction." Microbiome 12, no. 1 (2024). http://dx.doi.org/10.1186/s40168-024-01811-2.

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Abstract Background Fungi and bacteria coexist in a wide variety of environments, and their interactions are now recognized as the norm in most agroecosystems. These microbial communities harbor keystone taxa, which facilitate connectivity between fungal and bacterial communities, influencing their composition and functions. The roots of most plants are associated with arbuscular mycorrhizal (AM) fungi, which develop dense networks of hyphae in the soil. The surface of these hyphae (called the hyphosphere) is the region where multiple interactions with microbial communities can occur, e.g., ex

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Jones, Thomas Ray, Jordan Poitras, Emma Gagen, David John Paterson, and Gordon Southam. "Accelerated mineral bio-carbonation of coarse residue kimberlite material by inoculation with photosynthetic microbial mats." Geochemical Transactions 24, no. 1 (2023). http://dx.doi.org/10.1186/s12932-023-00082-4.

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AbstractMicrobiological weathering of coarse residue deposit (CRD) kimberlite produced by the Venetia Diamond Mine, Limpopo, South Africa enhanced mineral carbonation relative to untreated material. Cultures of photosynthetically enriched biofilm produced maximal carbonation conditions when mixed with kimberlite and incubated under near surface conditions. Interestingly, mineral carbonation also occurred in the dark, under water-saturated conditions. The examination of mineralized biofilms in ca. 150 µm-thick-sections using light microscopy, X-ray fluorescence microscopy (XFM) and backscatter

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Mei, Yan, Meiling Zhang, Gengyue Cao, et al. "Endofungal bacteria and ectomycorrhizal fungi synergistically promote the absorption of organic phosphorus in Pinus massoniana." Plant, Cell & Environment, October 27, 2023. http://dx.doi.org/10.1111/pce.14742.

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AbstractEctomycorrhizal fungi (ECMFs) that are involved in phosphorus mobilisation and turnover have limited ability to mineralise phytate alone. The endofungal bacteria in the ectomycorrhizal fruiting body may contribute to achieving this ecological function of ECMFs. We investigated the synergistic effect and mechanisms of endofungal bacteria and ECMF Suillus grevillea on phytate mineralisation. The results showed that soluble phosphorus content in the combined system of endofungal bacterium Cedecea lapagei and S. grevillea was 1.8 times higher than the sum of C. lapagei and S. grevillea alo

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Aruna, S., D. Manikandavelu, A. Uma, Cheryl Antony, and N. Jayakumar. "Assessment of Phosphorus Mobilizing Capacity of Bacillus spp. Isolated from Mangrove Rhizospheric Sediment and its Potential Application in Aquaculture." Indian Journal of Animal Research, Of (August 2, 2023). http://dx.doi.org/10.18805/ijar.b-5172.

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Background: Phosphatase producing bacteria (PPB) plays a major role in mineralising organic P into inorganic form. Though application of bacterial biofertilizers are practiced in agriculture, their application is very limited in aquaculture. Method: The PPB isolates were screened and isolated from rhizospheric sediment of mangrove, Avicennia marina of Ennore creek, Tamil Nadu. Their P transformation potential and the possibilities of their application in aquaculture to mineralise organic P to inorganic P were studied. Result: Twenty PPB isolates were screened in the study site and their Alkali

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Jin, Jian, Christian Krohn, Ashley E. Franks, et al. "Elevated atmospheric CO2 alters the microbial community composition and metabolic potential to mineralize organic phosphorus in the rhizosphere of wheat." Microbiome 10, no. 1 (2022). http://dx.doi.org/10.1186/s40168-021-01203-w.

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Abstract Background Understanding how elevated atmospheric CO2 (eCO2) impacts on phosphorus (P) transformation in plant rhizosphere is critical for maintaining ecological sustainability in response to climate change, especially in agricultural systems where soil P availability is low. Methods This study used rhizoboxes to physically separate rhizosphere regions (plant root-soil interface) into 1.5-mm segments. Wheat plants were grown in rhizoboxes under eCO2 (800 ppm) and ambient CO2 (400 ppm) in two farming soils, Chromosol and Vertosol, supplemented with phytate (organic P). Photosynthetic c

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Sangoquiza-Caiza, C. A., A. K. Pincay-Verdezoto, C. H. Park, and J. L. Zambrano-Mendoza. "Diversity of nitrogen-fixing and phosphorus-solubilizing bacteria associated with the rhizosphere of Andean maize in Ecuador." Brazilian Journal of Biology 83 (2023). http://dx.doi.org/10.1590/1519-6984.273632.

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Abstract A great diversity of microorganisms in the soil plays an important role in the sustainability of agricultural production systems. Among these microorganisms are bacteria that have the ability to fix atmospheric nitrogen or mineralize phosphorus, thus making it easily assimilable for plants. Maize is the main crop in the highlands of Ecuador (above 2000 meters) and it is predominantly traditional, using native seeds and very little or no agrochemicals. The National Institute of Agricultural Research (INIAP) has a collection of bacteria collected from the rhizosphere of maize in the hig

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Wang, Shi, Robert Walker, Marcus Schicklberger, et al. "Microbial Phosphorus Mobilization Strategies Across a Natural Nutrient Limitation Gradient and Evidence for Linkage With Iron Solubilization Traits." Frontiers in Microbiology 12 (June 23, 2021). http://dx.doi.org/10.3389/fmicb.2021.572212.

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Microorganisms have evolved several mechanisms to mobilize and mineralize occluded and insoluble phosphorus (P), thereby promoting plant growth in terrestrial ecosystems. However, the linkages between microbial P-solubilization traits and the preponderance of insoluble P in natural ecosystems are not well known. We tested the P solubilization traits of hundreds of culturable bacteria representative of the rhizosphere from a natural gradient where P concentration and bioavailability decline as soil becomes progressively more weathered. Aluminum, iron phosphate and organic P (phytate) were expec

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Shan, T., L. Huang, F. R. Tay, and L. Gu. "Retention of Intrafibrillar Minerals Improves Resin–Dentin Bond Durability." Journal of Dental Research, June 16, 2022, 002203452211031. http://dx.doi.org/10.1177/00220345221103137.

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The concept of extrafibrillar demineralization involves selective removal of apatite crystallites from the extrafibrillar spaces of mineralized dentin without disturbing the intrafibrillar minerals within collagen. This helps avoiding activation of endogenous proteases and enables air-drying of partially demineralized dentin without causing collapse of completely demineralized collagen matrix that adversely affects resin infiltration. The objective of the present study was to evaluate the potential of quaternized carboxymethyl chitosan (QCMC)–based extrafibrillar demineralization in improving

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