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Journal articles on the topic 'Wine micro-organisms'

Author: Grafiati

Published: 4 June 2021

Last updated: 3 February 2022

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1

., S. Centeno, C. Adelantado ., and M. A. Calvo . "Inhibitory Activity of Micro-organisms Isolated from Wine Bottle Corks." Pakistan Journal of Biological Sciences 7, no. 12 (2004): 2198–201. http://dx.doi.org/10.3923/pjbs.2004.2198.2201.

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Millet, V., and A. Lonvaud-Funel. "The viable but non-culturable state of wine micro-organisms during storage." Letters in Applied Microbiology 30, no. 2 (2000): 136–41. http://dx.doi.org/10.1046/j.1472-765x.2000.00684.x.

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3

Stegăruș, Diana Ionela. "Microbiological Characterization of Red and White Wines Originated From Vineyards of Getic Piedmont." Management of Sustainable Development 6, no. 2 (2014): 61–64. http://dx.doi.org/10.1515/msd-2015-0008.

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Abstract The aim of the present paper is to investigate an objective microbiological analysis of the wine by identification of some parameters such as total amount of germs and yeastswhich are contained in the quality wines from Getic Piedmont namely: Bolovanu, Corcova, Drăgășani, Sâmburești, Segarcea, Ștefănești.The Getic Piedmont is a relict geomorphological relief unit with significant variations from the flat, low lands fragmented by moderately rough with strong fragmentation. We have selected by grouping the wines in grape varieties, white wines (Sauvignon, Chardonnay, Riesling) and red w

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Ale, C. E., E. Bru, A. M. Strasser de Saad, and S. E. Pasteris. "Effect of physicochemical factors on glycerol production by simultaneous cultures of wine micro-organisms using the response surface method." Journal of Applied Microbiology 117, no. 5 (2014): 1336–47. http://dx.doi.org/10.1111/jam.12621.

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5

Rodas, A. M., S. Ferrer, and I. Pardo. "Polyphasic study of wine Lactobacillus strains: taxonomic implications." International Journal of Systematic and Evolutionary Microbiology 55, no. 1 (2005): 197–207. http://dx.doi.org/10.1099/ijs.0.63249-0.

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One hundred and seventy-eight lactobacilli isolated from wine were characterized by a polyphasic approach. Strains were phenotypically identified at genus and species level by classical tests including the analysis of cell morphology, homo/heterofermentative character, sugar fermentation patterns, growth at different temperatures and the optical nature of the isomer of lactic acid produced from glucose. Molecular techniques such as random amplification of polymorphic DNA (RAPD), amplified 16S rDNA restriction analysis (16S-ARDRA), PFGE-RFLP and ribotyping were used to characterize strains, and

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Renouf, Vincent, Emmanuel Gindreau, Olivier Claisse, and Aline Lonvaud-Funel. "Microbial changes during malolactic fermentation in red wine elaboration." OENO One 39, no. 4 (2005): 179. http://dx.doi.org/10.20870/oeno-one.2005.39.4.889.

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<p style="text-align: justify;">Winemaking is based on complex microbial interactions. They result in alcoholic and malolactic fermentation. In some cases undesirable micro-organisms pass beyond a limit and become prejudicial to wine quality. It is particularly the case of Brettanomyces bruxellensis which produces volatile phenols.</p><p style="text-align: justify;">Most of wine microbial studies have been focused on only one species and that can lead to incomplete and biased results by neglecting possible interactions between the populations. The aim of this study was to obt

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Comitini, Francesca, Natalia Di Pietro, Laura Zacchi, Ilaria Mannazzu, and Maurizio Ciani. "Kluyveromyces phaffii killer toxin active against wine spoilage yeasts: purification and characterization." Microbiology 150, no. 8 (2004): 2535–41. http://dx.doi.org/10.1099/mic.0.27145-0.

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The killer toxin secreted by Kluyveromyces phaffii (KpKt) is active against spoilage yeast under winemaking conditions and thus has potential applications in the biocontrol of undesired micro-organisms in the wine industry. Biochemical characterization and N-terminal sequencing of the purified toxin show that KpKt is a glycosylated protein with a molecular mass of 33 kDa. Moreover, it shows 93 % and 80 % identity to a β-1,3-glucanase of Saccharomyces cerevisiae and a β-1,3-glucan transferase of Candida albicans, respectively, and it is active on laminarin and glucan, thus showing a β-glucanase

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Bouix, Marielle, Agnès Grabowski, Monique Charpentier, Jean-Yves Leveau, and Bruno Duteurtre. "Rapid detection of microbial contamination in grape juice by flow cytometry." OENO One 33, no. 1 (1999): 31. http://dx.doi.org/10.20870/oeno-one.1999.33.1.1038.

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<p style="text-align: justify;">This study presents an application of flow cytometry to evaluate rapidly the viable micro-organisms in grape juice. In this method, viable cells are firstly specitically labelled with a fluorescent reagent. The sample is then injected into the flow cytometer where the labelled micro-organisms are individually illuminated by a laser beam. The emission of fluorescence is measured. The system counts the number of fluorescent events and prints out a histogram of the fluorescence intensity which is characteristic of the micro-organism being analysed. In laborat

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Dalla Costa, Lorenza, Mickael Malnoy, David Lecourieux, et al. "The state-of-the-art of grapevine biotechnology and new breeding technologies (NBTS)." OENO One 53, no. 2 (2019): 189–212. http://dx.doi.org/10.20870/oeno-one.2019.53.2.2405.

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Context of the review: The manipulation of the genetic basis controlling grapevine adaptation and phenotypic plasticity can be performed either by classical genetics or biotechnologies. In the last 15 years, considerable knowledge has accumulated about the grapevine genome as well as the mechanisms involved in the interaction of the vine with the environment, pests and diseases. Despite the difficulties associated with genetic mapping in this species (allele diversity, chimerism, long generation intervals...), several major controlling important vegetative or reproductive traits have been iden

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Nipa, Karishma Kabir. "Mutualistic presence of normal Flora in Human Intestine: A review." Journal of Bio-Science 21 (March 11, 2015): 21–25. http://dx.doi.org/10.3329/jbs.v21i0.22515.

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Human body contains a huge number of micro-organisms in its intestine. It is ten times more in number compared to the number of human body cells. These micro-organisms are mainly anaerobic bacteria and perform useful functions in relation to development of gut, and production of vitamins and hormones. These bacteria also perform a wide range of metabolic functions. The present article reviews briefly the mutualistic relationship of intestinal flora with human intestine along with their pathogenic behaviour to some extent. DOI: http://dx.doi.org/10.3329/jbs.v21i0.22515 J. bio-sci. 21: 21-25, 20

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Purushothaman, T., and K. Irfana Mol. "A Critical Review on Antimicrobial Photodynamic Inactivation Using Light Emitting Diode (LED)." Shanlax International Journal of Arts, Science and Humanities 8, no. 3 (2021): 124–30. http://dx.doi.org/10.34293/sijash.v8i3.3476.

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The light-emitting diode (LED) is an advanced technology with a wide range of applications in our day-to-day life. It has numerous advantages over conventional light, such as controlling the spectrum of light, the specificity of the wavelength, cool emitting surface, and cost-effectiveness. The novel technologies and developments have proved the efficacy of LEDs in eliminating microbes rather than being an effective lighting source. The LED employs Photodynamic Inactivation to eliminate micro-organisms with the help of various photo-sensitizers. Photodynamic inactivation is a non-chemical base

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Dbwi, I. Ap, D. B. Johnson, and W. I. Kelso. "A study of field drain ochre deposits. 2. The distribution of micro-organisms." Journal of Agricultural Science 108, no. 2 (1987): 347–51. http://dx.doi.org/10.1017/s0021859600079363.

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SummarySheathed filamentous bacteria,Leptothrixspp. andGallionellaspp., were observed in ochre samples from sites in England and Wales.Thiobacillus ferrooxidanswas found in acidic samples (pH < 4·0) and in ochre from drainage water of near neutral pH suggesting that it can contribute to ochre formation over a wide range of drainage water pH, Heterotrophic bacteria capable of growing in artificial media of low pH and complexdegrading heterotrophic bacteria were also isolated. Some ochre deposits could be described as either pyritic or filamentous but the majority of samples fell between thes

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Camacho, P., S. Deleris, V. Geaugey, P. Ginestet, and E. Paul. "A comparative study between mechanical, thermal and oxidative disintegration techniques of waste activated sludge." Water Science and Technology 46, no. 10 (2002): 79–87. http://dx.doi.org/10.2166/wst.2002.0295.

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The release performances of an organic and mineral activated sludge matrix were studied for a wide range of disintegration treatments like mechanical, thermal, thermal-chemical and oxidative disintegration techniques. The maximal COD release was 35% of total COD after 24 hours contact time at 95°C. A limiting value of 60% COD release was obtained for 500 and 700 bars after 10 passes. Concerning the oxidative disintegration techniques (O3 and H2O2), a limiting value of around 60-65% of TOC release was observed. Therefore, it was hypothesised that thermal and mechanical treatments allow mainly f

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Gibbs, Melanie, Marjo Saastamoinen, Aurélie Coulon, and Virginie M. Stevens. "Organisms on the move: ecology and evolution of dispersal." Biology Letters 6, no. 2 (2009): 146–48. http://dx.doi.org/10.1098/rsbl.2009.0820.

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The symposium and workshop ‘ Organisms on the move : ecology and evolution of dispersal ’, held in Ghent (Belgium), 14–18 September 2009, brought together a wide range of researchers using empirical and modelling approaches to examine the dispersal process. This meeting provided an opportunity to assess how much cross-fertilization there has been between empiricists and theoreticians, to present novel insights on dispersal patterns in plants, animals and micro-organisms and to measure the progress made in examining the causes and consequences of dispersal.

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Kuribayashi, Morine, Keiichi Kawano, Yuta Demura, et al. "Imaging of micro-organisms on topsoil particles collected from different landscape in the Gobi Desert." E3S Web of Conferences 99 (2019): 01011. http://dx.doi.org/10.1051/e3sconf/20199901011.

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This study shows the results of field experiments of soil particles saltation and laboratory experiments of imaging of the surface structure of dust particles. In the Gobi area, dust occurs when the wind speed at ground level exceeds 7 m/s. It has been reported that bacteria are attached to dust, but the details of its attachment are unknown. It is also expected that these bacteria will fly at the time of occurrence of dust, and fundamental research is important to clarify the relationship between dust components and bacteria.

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Ribeiro, Bárbara, André Padua, Paulo Cesar Paiva, Márcio Reis Custódio, and Michelle Klautau. "Exploitation of micro refuges and epibiosis: survival strategies of a calcareous sponge." Journal of the Marine Biological Association of the United Kingdom 98, no. 3 (2016): 495–503. http://dx.doi.org/10.1017/s002531541600151x.

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Sponges interact in various ways with a wide variety of organisms in benthic communities and ecological interactions may influence the distribution, abundance and diversity of these organisms in different sites. Although several studies have already been developed for Demospongiae, knowledge of ecological interactions in the class Calcarea is lacking. Some calcareous sponges are considered weak competitors for space and to have developed strategies to survive in highly dynamic environments, such as exploitation of micro refuges and epibiosis. We aimed to investigate the influence of intra- and

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Duarte, Rubens T. D., Felipe Nóbrega, Cristina R. Nakayama, and Vivian H. Pellizari. "Brazilian research on extremophiles in the context of astrobiology." International Journal of Astrobiology 11, no. 4 (2012): 325–33. http://dx.doi.org/10.1017/s1473550412000249.

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AbstractExtremophiles are organisms adapted to grow at extreme ranges of environmental variables, such as high or low temperatures, acid or alkaline medium, high salt concentration, high pressures and so forth. Most extremophiles are micro-organisms that belong to the Archaea and Bacteria domains, and are widely spread across the world, which include the polar regions, volcanoes, deserts, deep oceanic sediments, hydrothermal vents, hypersaline lakes, acid and alkaline water bodies, and other extreme environments considered hostile to human life. Despite the tropical climate, Brazil has a wide

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Anjum, Muhammad Usman, Muhammad Safdar Khan, Abdul Razzaq Shahid, and Syed Humayun Shah. "URINARY TRACT INFECTIONS." Professional Medical Journal 23, no. 01 (2016): 010–14. http://dx.doi.org/10.29309/tpmj/2016.23.01.747.

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Background: Urinary tract infections (UTIs) constitute important bacterialdisease which contributes to significant morbidity world-wide. Empirical treatment in patientssuffering from UTI depends upon the local knowledge of common microorganisms responsiblefor UTI in that geographical area as well as their antimicrobial susceptibility patterns.Objectives: To determine the frequency and antimicrobial susceptibility of uropathogenswhich are responsible for urinary tract infections. Study Design: Experimental study. Setting:Department of Pathology, Frontier Medical & Dental College and Mohi Ud

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Wood, C. D., and V. E. Plumb. "Total phenols and protein precipitation assays as indicators of the inhibitory effects of phenols on rumen micro-organisms." Proceedings of the British Society of Animal Production (1972) 1994 (March 1994): 75. http://dx.doi.org/10.1017/s0308229600026222.

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Phenolics, such as tannins, have been implicated as inhibitors of digestibility. A wide range of assays for measuring phenols have been proposed (reviewed by Hagerman and Butler, 1989) but there is little experimental evidence to indicate which are most appropriate for assessing nutritive value. The objective of this study was to investigate correlations between phenol assays and the effects of phenolics on in vitro fermentation by rumen micro-organisms to identify which assays most reliably indicated the extent of these effects.Extracts were prepared from 12 Bolivian tree leaf samples using 7

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Ojo-Okunola, Anna, Mark Nicol, and Elloise du Toit. "Human Breast Milk Bacteriome in Health and Disease." Nutrients 10, no. 11 (2018): 1643. http://dx.doi.org/10.3390/nu10111643.

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It is well-known that, beyond nutritional components, human breast milk (HBM) contains a wide variety of non-nutritive bio-factors perfectly suited for the growing infant. In the pre-2000 era, HBM was considered sterile and devoid of micro-organisms. Though HBM was not included as part of the human microbiome project launched in 2007, great strides have been made in studying the bacterial diversity of HBM in both a healthy state and diseased state, and in understanding their role in infant health. HBM provides a vast array of beneficial micro-organisms that play a key role in colonizing the in

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Direito, Susana O. L., Pascale Ehrenfreund, Andries Marees, Martijn Staats, Bernard Foing, and Wilfred F. M. Röling. "A wide variety of putative extremophiles and large beta-diversity at the Mars Desert Research Station (Utah)." International Journal of Astrobiology 10, no. 3 (2011): 191–207. http://dx.doi.org/10.1017/s1473550411000012.

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AbstractHumankind's innate curiosity makes us wonder whether life is or was present on other planetary bodies such as Mars. The EuroGeoMars 2009 campaign was organized at the Mars Desert Research Station (MDRS) to perform multidisciplinary astrobiology research. MDRS in southeast Utah is situated in a cold arid desert with mineralogy and erosion processes comparable to those on Mars. Insight into the microbial community composition of this terrestrial Mars analogue provides essential information for the search for life on Mars: including sampling and life detection methodology optimization and

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Cruickshank, J. G., and T. J. Humphrey. "The carrier food-handler and non-typhoid salmonellosis." Epidemiology and Infection 98, no. 3 (1987): 223–30. http://dx.doi.org/10.1017/s0950268800061975.

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The number of reported cases of food poisoning and food-borne disease continues to increase in most countries. The published figures are recognized as being only a small fraction of the true total and the problem is clearly both very large and international.Of the variety of micro-organisms responsible for outbreaks, Salmonella spp. are by far the most frequently incriminated and in the United Kingdom these organisms cause over 90% of cases (Epidemiology, 1986). The almost universal presence of these organisms in certain common foods, their ability to grow in a wide variety of foodstuffs over

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Kendell, Robert. "How psychiatrists can contribute to the public health." Advances in Psychiatric Treatment 3, no. 4 (1997): 188–96. http://dx.doi.org/10.1192/apt.3.4.188.

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Public health has traditionally been concerned with the primary prevention of disease, either by eliminating its causes or by enhancing host resistance. Clean water supplies, efficient sewage and rubbish disposal, and refrigeration of food have largely eliminated the micro-organisms responsible for a wide range of infectious diseases, while anti-smoking campaigns have reduced mortality from cancer of the lung and coronary heart disease. Immunisation programmes have had a similarly dramatic effect on the incidence of many bacterial and viral diseases. Indeed, they have completely eliminated sma

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Naumann, M. "Control of the NF-κB inhibitor IκBα in pathogen infection". Biochemical Society Transactions 35, № 2 (2007): 267–69. http://dx.doi.org/10.1042/bst0350267.

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One of the important cellular factors involved in the regulation of the host antimicrobial response is the immediate early response transcription factor NF-κB (nuclear factor κB). Human pathogenic micro-organisms trigger cellular signal transduction pathways that induce NF-κB, but pathogens have also found ways to overcome the inflammatory response through active manipulation of NF-κB regulators. Exploration of the mechanisms that influence NF-κB activity could contribute to a better understanding of the molecular pathogenesis of microbial infections and could be important for potential therap

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Moeller, Korey, Jason Besecker, Greg Hampikian, et al. "A Prototype Continuous Flow Polymerase Chain Reaction LTCC Device." Materials Science Forum 539-543 (March 2007): 523–28. http://dx.doi.org/10.4028/www.scientific.net/msf.539-543.523.

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There is a growing need for remote biological sensing in both laboratory and harsh field environments. Sensing and detection of biological entities such as anthrax, Ebola and other micro-organisms of interest involves sampling of the environment, amplification, analysis and identification of the target DNA. A key component of such a sensor is a low cost, portable, reusable, continuous flow polymerase chain reaction (PCR) thermal cycler. Fabrication with low temperature co-fired ceramics (LTCC) can provide a reusable low cost device capable of operating in a wide range of environments The desig

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Llamas, Yudy, Karl Hazel, Patrick Nicholson, and Lisa Costelloe. "Longitudinally extensive transverse myelitis after Campylobacter jejuni enteritis." Practical Neurology 18, no. 2 (2017): 143–45. http://dx.doi.org/10.1136/practneurol-2017-001777.

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Campylobacter jejuni infection is well-known to precipitate Guillain-Barré syndrome through an immune-mediated attack on the peripheral nervous system. Molecular mimicry between C. jejuni lipo-oligosaccharides on the surface of infectious agents and human gangliosides in the peripheral nerves induces cross-reactive immune responses. Although gangliosides also occur in the central nervous system (CNS), autoimmune CNS disorders rarely follow C. jejuni infections. However, longitudinally extensive transverse myelitis commonly has a parainfectious cause, triggered by a wide range of micro-organism

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Mishra, Rahul C., Mayurika Goel, Colin J. Barrow, and Sunil K. Deshmukh. "Endophytic Fungi - An Untapped Source of Potential Antioxidants." Current Bioactive Compounds 16, no. 7 (2020): 944–64. http://dx.doi.org/10.2174/1573407215666191007113837.

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Background: Antioxidants are the substances that interact inside and outside of a biological system against the damaging effects of highly reactive free radicals produced during metabolism. Among various natural alternative sources of bioactive metabolites, endophytic fungi have emerged as a significant reservoir of potent antioxidant compounds. These scantly explored micro-organisms are prolific producers of novel compounds and have the capability to produce metabolites that are exclusively isolated from Plantae. A wide array of compounds like nucleobases, polyketides, terpenoids, flavonoids,

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Alkhawajah, Abdulaziz M. "Studies on the Antimicrobial Activity of Juglans regia." American Journal of Chinese Medicine 25, no. 02 (1997): 175–80. http://dx.doi.org/10.1142/s0192415x97000202.

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Juglans regia L. bark is used in some countries as a toothbrush and as a dye for coloring the lips for cosmetic purposes. Its extract showed a broad spectrum antimicrobial activity in a dose dependent manner. It inhibited the growth of several species of pathogenic micro-organisms representing Gram-positive bacteria (Staphylococcus aureus and Streptococcus mutans), Gram-negative bacteria (Esherichia coli and Pseudomonas aeruginosa) and a pathogenic yeast (Candida albicans). The extract has either synergistic or additive action when tested with a wide range of antibacterial drugs. It also incre

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Vorobyova, Tatyana, Valeriy Petrov, Aleksey Belkov, Anton Prah та Vladimir Volynkin. "Физико-химический и механический состав почвы виноградников, обогащенной энергетическим биоматериалом". Magarach. Vinogradstvo i Vinodelie, № 2(108) part: 21 (19 червня 2019): 128–32. http://dx.doi.org/10.35547/im.2019.21.2.010.

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Растительные отходы сельскохозяйственного производства в основном утилизируются в качестве кормов в животноводстве и реже используются в виде удобрения на многолетних насаждениях. Из растительных сельскохозяйственных отходов в качестве органического удобрения могут быть использованы вторичные отходы винодельческого производства, виноградные выжимки. Обоснование возможности применения такого вида биоудобрения в конкретных условиях с учетом показателей, характеризующих биоматериал и состав почвы, послужило целью выполненной работы. Биогенность деградируемой почвы ампелоценозов увеличивается легк

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Simmons, Julie. "The Why, What and Wherefore of Antimicrobial Systems." Polymers and Polymer Composites 11, no. 2 (2003): 101–13. http://dx.doi.org/10.1177/096739110301100205.

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Increasing consumer awareness of the risks posed by bacteria, together with evidence that bacteria can survive and multiply on many surfaces has led to growing interest in the use of antimicrobial systems in a wide range of products including plastic items. Antimicrobial systems can be added to a wide range of plastics, inhibiting the growth of micro-organisms on the surface and thus helping to reduce odours, unsightly growth and the risk of cross contamination. The aim of this presentation is to provide an overview of antimicrobial systems and their use in plastics. The types of systems avail

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Wiegel, J., and V. V. Kevbrin. "Alkalithermophiles." Biochemical Society Transactions 32, no. 2 (2004): 193–98. http://dx.doi.org/10.1042/bst0320193.

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Alkalithermophiles are an exciting subset of extremophilic organisms and represent extremophiles that are adapted to two extreme conditions, i.e. to a combination of alkaline and thermobiotic growth conditions. Among the anaerobic alkalithermophiles are representatives of both Bacteria and Archaea within a wide variety of physiological types and systematic groups, although a great majority belongs to the Firmicutes. Alkaliphiles have been isolated from a variety of niches including mesobiotic and neutrophilic soils and sediments. Interestingly anaerobic isolates from mesobiotic and neutrophili

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Wilkins, Michael J., David W. Kennedy, Cindy J. Castelle, et al. "Single-cell genomics reveals metabolic strategies for microbial growth and survival in an oligotrophic aquifer." Microbiology 160, no. 2 (2014): 362–72. http://dx.doi.org/10.1099/mic.0.073965-0.

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Bacteria from the genus Pedobacter are a major component of microbial assemblages at Hanford Site (a largely decommissioned nuclear production complex) in eastern Washington state, USA, and have been shown to change significantly in abundance in response to the subsurface intrusion of Columbia River water. Here we employed single-cell genomics techniques to shed light on the physiological niche of these micro-organisms. Analysis of four Pedobacter single amplified genomes (SAGs) from Hanford Site sediments revealed a chemoheterotrophic lifestyle, with the potential to exist under both aerobic

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Mitra, Ruchira, and Surojit Bera. "Carotenoids: updates on legal statutory and competence for nutraceutical properties." Current Research in Nutrition and Food Science Journal 7, no. 2 (2019): 300–319. http://dx.doi.org/10.12944/crnfsj.7.2.01.

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Growing health disorders have increased the present-day research for developing health- promoting biomolecules. Carotenoids are one such prospective bioactive compound that has plenipotentiary health benefits. Carotenoids are yellow to red pigments that are naturally synthesized by plants and micro-organisms. Continuous research is being conducted to explore the wide range of activities of carotenoids so that it can be helpful for humankind in the near future. This might also pave a new arena in the nutraceutical research. The present review deals with the legal statutory status of carotenoids

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Ignat, Karina, and Liliia Vasina. "The use of lactic acid bacteria as probiotics as a composition of live feed." Biolohichni systemy 11, no. 2 (2019): 132–40. http://dx.doi.org/10.31861/biosystems2019.02.132.

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The losses in the conditions of intensive aquaculture can be linked with the development of a range of bacterial and viral infectious diseases of hydrobionts. Probiotics are used as the means of treatment and prevention of the dysbiosis of fish organisms. The search for new probiotic cultures and their subsequent trials, the possibility of their co-culturing, using this scientific foundation for devising combined preventative and therapeutic means and their further bioencapsulation in freshwater zooplankton will enable researchers to increase the resistance and responsiveness of fish organisms

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Méndez-Bedia, Isabel, Gloria Gallastegui, Pedro Busquets, et al. "Pedogenic and subaerial exposure microfabrics in a late Carboniferous-early Permian carbonate-volcanic lacustrine-palustrine system (San Ignacio Formation, Frontal Cordillera, Argentina)." Andean Geology 47, no. 2 (2020): 275. http://dx.doi.org/10.5027/andgeov47n2-3214.

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In the Argentinian Andes (Frontal Cordillera) the upper part of the late Carboniferous-early Permian San Ignacio Formation is made up of lacustrine-palustrine microbial carbonates and interbedded volcanic deposits. In this lacustrine-palustrine environment a natural monospecific forest was developed. The deposits of this sedimentary-volcanic succession were repeatedly subjected to subaerial exposure and modified by pedogenesis to varying degrees giving rise to paleosoils development. Diagenetic microfabrics were well preserved in the carbonates and volcanic rocks. The carbonate microfabrics co

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NIKORA, V. I., D. G. GORING, and B. J. F. BIGGS. "Some observations of the effects of micro-organisms growing on the bed of an open channel on the turbulence properties." Journal of Fluid Mechanics 450 (January 9, 2002): 317–41. http://dx.doi.org/10.1017/s0022112001006486.

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In this paper we report the results of an experimental study of periphyton–flow interactions conducted in a specially designed outdoor hydraulic flume. ‘Periphyton’ is a collective term for the micro-organisms which grow on stream beds, and includes algae, bacteria, and fungi, with algae usually the dominant and most conspicuous component. The main goals of the study are to identify potential effects of periphyton–flow interactions as well as the potential mechanisms of mass transfer in the near-bed region, which could influence periphyton growth and losses. The main results of the study may b

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Ruppel, Silke, Philipp Franken, and Katja Witzel. "Properties of the halophyte microbiome and their implications for plant salt tolerance." Functional Plant Biology 40, no. 9 (2013): 940. http://dx.doi.org/10.1071/fp12355.

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Saline habitats cover a wide area of our planet and halophytes (plants growing naturally in saline soils) are increasingly used for human benefits. Beside their genetic and physiological adaptations to salt, complex ecological processes affect the salinity tolerance of halophytes. Hence, prokaryotes and fungi inhabiting roots and leaves can contribute significantly to plant performance. Members of the two prokaryotic domains Bacteria and Archaea, as well as of the fungal kingdom are known to be able to adapt to a range of changes in external osmolarity. Shifts in the microbial community compos

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Hiemstra, P. S. "Defensins and cathelicidins in inflammatory lung disease: beyond antimicrobial activity." Biochemical Society Transactions 34, no. 2 (2006): 276–78. http://dx.doi.org/10.1042/bst0340276.

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Innate immunity provides an effective first line of defence against infections. This is of particular importance in the lung, an organ that is exposed to a large number of pathogens that are inhaled. Antimicrobial peptides play an important role in the defence against these pathogens as effector molecules of innate immunity. These peptides are mainly produced by phagocytes and epithelial cells, and kill a wide range of micro-organisms: Gram-negative and Gram-positive bacteria, fungi and (enveloped) viruses. However, it is increasingly evident that these peptides not only act as endogenous anti

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Matuszyńska, Anna, and Oliver Ebenhöh. "A reductionist approach to model photosynthetic self-regulation in eukaryotes in response to light." Biochemical Society Transactions 43, no. 6 (2015): 1133–39. http://dx.doi.org/10.1042/bst20150136.

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Along with the development of several large-scale methods such as mass spectrometry or micro arrays, genome wide models became not only a possibility but an obvious tool for theoretical biologists to integrate and analyse complex biological data. Nevertheless, incorporating the dynamics of photosynthesis remains one of the major challenges while reconstructing metabolic networks of plants and other photosynthetic organisms. In this review, we aim to provide arguments that small-scale models are still a suitable choice when it comes to discovering organisational principles governing the design

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Sarkar, Saurabh, Prem Rajak, and Sumedha Roy. "Toxicological Evaluation of a New Lepidopteran Insecticide, Flubendiamide, in Non-Target Drosophila melanogaster Meigen (Diptera: Drosophilidae)." Iranian Journal of Toxicology 12, no. 3 (2018): 45–50. http://dx.doi.org/10.32598/ijt.12.3.477.1.

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Background: Flubendiamide, comparatively a new pesticide designed to eradicate lepidopteran insect pests is known to have low risk to birds, mammals, fish, algae, honey bees, non-target arthropods, earthworms, soil macro- and micro-organisms, non-target plants as well as sewage treatment organisms; however, the risk assessment for aquatic invertebrates from metabolite could not be finalized with available data. Methods: Different concentrations of flubendiamide (TATA TAKUMI®, Rallis, India) were introduced to larvae, pupae, and adult flies. A wide range of comparatively higher concentrations w

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Kovač, Marija, Drago Šubarić, Mateja Bulaić, Tihomir Kovač, and Bojan Šarkanj. "Yesterday masked, today modified; what do mycotoxins bring next?" Archives of Industrial Hygiene and Toxicology 69, no. 3 (2018): 196–214. http://dx.doi.org/10.2478/aiht-2018-69-3108.

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AbstractMycotoxins are secondary metabolites produced by toxigenic fungi in crops worldwide. In (micro)organisms such as plants, fungi, bacteria, or animals they may be further metabolised and modified, but this is also true for food processing, which may lead to a wide range of masked mycotoxin forms. These often remain undetected by analytical methods and are the culprits for underestimates in risk assessments. Furthermore, once ingested, modified mycotoxins can convert back to their parent forms. This concern has raised the need for analytical methods that can detect and quantify modified m

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T. Gahukar, Ruparao. "Entomophagy in traditional healthcare practiced by indigenous communities: potential, implications and constraints." International Journal of Basic and Applied Sciences 7, no. 4 (2018): 55. http://dx.doi.org/10.14419/ijbas.v7i4.11434.

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Several insect species including termites, honey bees, American cockroach, grasshoppers, stink bugs, aquatic bugs, silkworms and mopane caterpillars are popularly consumed by indigenous and tribal communities in South America, sub-Saharan Africa, South-east Asia and the Pacific. Different life stages of the insects were found effective in therapeutic treatment against health disorders and life-threatening diseases. In entomophagy (process of insect eating), allergy, content of anti-nutrients, contamination of micro-organisms, chemicals and biochemical compounds, and parasitic infection are maj

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PONTI, Donatella, M. LUISA MANGONI, Giuseppina MIGNOGNA, Maurizio SIMMACO, and Donatella BARRA. "An amphibian antimicrobial peptide variant expressed in Nicotiana tabacum confers resistance to phytopathogens1." Biochemical Journal 370, no. 1 (2003): 121–27. http://dx.doi.org/10.1042/bj20021444.

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Esculentin-1 is a 46-residue antimicrobial peptide present in skin secretions of Rana esculenta. It is effective against a wide variety of micro-organisms, including plant pathogens with negligible effects on eukaryotic cells. As a possible approach to enhance plant resistance, a DNA coding for esculentin-1, with the substitution Met-28Leu, was fused at the C-terminal end of the leader sequence of endopolygalacturonase-inhibiting protein, under the control of the cauliflower mosaic virus 35S promoter region, and introduced into Nicotiana tabacum. The antimicrobial peptide was isolated from the

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Sawaraj, Sushma, Sunder Singh Dogra, Dinesh Kansal, Kamlesh Thakur, and Parveen Kumar Sharma. "Therapeutic guidelines for antimicrobial use in chronic suppurative otitis media for a tertiary care hospital in Sub Himalayan region." International Journal of Basic & Clinical Pharmacology 7, no. 3 (2018): 416. http://dx.doi.org/10.18203/2319-2003.ijbcp20180652.

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Background: The battle against micro-organisms, in their role as primary cause of the disease and infective complications of medical and surgical techniques, has not decreased in spite of modern antimicrobial therapy. Chronic suppurative otitis media (CSOM) is a disease with worldwide prevalence having potentially serious long term effects. The disease remains an important global public health problem leading to hearing impairment, and due to wide spread irrational use microbial resistance is very common to these antibiotics, thereby leading to treatment failure. Hence it is important to know

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Hurd, Hilary, and Richard Lane. "Parasite-insect interactions: reciprocal manipulation." Parasitology 116, S1 (1998): S1—S2. http://dx.doi.org/10.1017/s0031182000084882.

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It is probably a truism to say that what seems to be a single organism is, in fact, an assemblage of organisms – for there can hardly be an individual living outside a specialized laboratory that does not have commensals or parasites living within. The insects, the most diverse and numerous group of organisms on earth are no exception, and with micro- and macro-parasites from a wide range of taxa generate a remarkable range of interspecific associations. In some cases the insect is the sole host, in others it is an intermediate host or vector. It is the latter relationship which attracts much

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Evans, C. A., P. J. Coombes, R. H. Dunstan, and T. Harrison. "Identifying the major influences on the microbial composition of roof harvested rainwater and the implications for water quality." Water Science and Technology 55, no. 4 (2007): 245–53. http://dx.doi.org/10.2166/wst.2007.115.

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Perceptions of the quality of roof harvested rainwater remain an impediment to widespread implementation of rainwater tanks on urban allotments. Previous literature reports on roof water quality have given little consideration to the relative significance of airborne environmental micro-organisms to roof catchment contamination and the issue of tank water quality. This paper outlines the findings of a recent study into the influence of weather on roof water contamination conducted at an urban housing development in Newcastle, on the east coast of Australia. Samples of direct roof run-off were

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KHATAEE, H. R., and A. R. KHATAEE. "ADVANCES IN F0F1-ATP SYNTHASE BIOLOGICAL PROTEIN NANOMOTOR: FROM MECHANISMS AND STRATEGIES TO POTENTIAL APPLICATIONS." Nano 04, no. 02 (2009): 55–67. http://dx.doi.org/10.1142/s1793292009001587.

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Movement and shape changes are fundamental aspects of all living organisms. This biological motility results from the biological nanomotors, in particular protein nanomotors. Cells contain a variety of protein nanomotors that rotate (e.g., F0F1-ATP synthase or bacterial flagellar motors) or move in a linear fashion (e.g., the kinesin, myosin and dynein motors). F0F1-ATP synthase is one of the ideal nanomotors or energy providing systems for micro/nanomachines because of its small size, smart and perfect structure, and ultra-high energy transfer efficiency. Therefore, in this paper, we have rev

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Sehrawat, Rachna, Paramjit S. Panesar, Tanya L. Swer, and Anit Kumar. "Response surface methodology (RSM) mediated interaction of media concentration and process parameters for the pigment production by Monascus purpureus MTCC 369 under solid state fermentation." Pigment & Resin Technology 46, no. 1 (2017): 14–20. http://dx.doi.org/10.1108/prt-08-2015-0077.

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Purpose This paper aims to extract colour from micro-organisms (as a source of natural pigments) using agro-industrial substrates to replace synthetic media by solid state fermentation. Nature is filled with colours. Due to health and environmental consciousness among people, use of synthetic colour has declined, and so the need to develop colour from cheap and easily available natural sources (plants, animals, micro-organisms and algae) using a cost-effective technique with higher yield and rapid growth. Monascus purpureus colour is a potent source of compounds (Dimerumic acid, Monacolin-k an

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Gautam, Bikram, Sabi Pokhrel, Sagar Aryal, and Anup Basnet. "Efficacy of Toothpaste in Reducing Micro-Flora Isolated from Toothbrush." Kathmandu University Journal of Science, Engineering and Technology 13, no. 2 (2018): 71–78. http://dx.doi.org/10.3126/kuset.v13i2.21285.

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Oral cavity is the easiest site of entry of microorganisms during breathing, eating, drinking and brushing which can lead to several bacterial infections in oral cavity, pharynx, larynx, gastrointestinal tracts etc. Toothbrushes commonly used to maintain oral health and prevent dental disease; but unfortunately, how keeping the toothbrush is neglected. A wide range of chemicals have been added to toothpastes in order to produce a direct inhibitory effect on plaque formation and kill microorganisms. The aims of the study were to investigate the relationship between toothbrush keeping place, its

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Mezentseva, A. V., L. V. Olkhova, E. B. Machneva, et al. "Successful use of hydroxymethylquinoxaline dioxide in complex antimicrobial therapy in patients with fulminant infectious complications in induced hematopoesis aplasia by gram-negative agents." Russian Journal of Pediatric Hematology and Oncology 8, no. 1 (2021): 23–34. http://dx.doi.org/10.21682/2311-1267-2021-8-1-23-34.

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Relevance. Infectious septic complications caused by polyresistant gram-negative micro-organisms are a pressing issue in the treatment of patients after polychemotherapy (PCT) and hematopoietic stem cell transplantation at the high risk of the fulminant current and high lethality against the background of hematopoesis aplasia. One of the therapeutic strategies of antimicrobial treatment is the systematic use of 0.5 % hydroxymethylquinoxaline dioxide (dioxidine) solution in the complex antibacterial therapy of patients with severe infectious-septic complications. The preparation has a bacterici

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