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Relevant bibliographies by topics / Microbial metabolites

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Academic literature on the topic 'Microbial metabolites'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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Journal articles on the topic "Microbial metabolites"

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Nie, Siru, Ang Wang, Xiaohui Chen, Yuehua Gong, and Yuan Yuan. "Microbial-Related Metabolites May Be Involved in Eight Major Biological Processes and Represent Potential Diagnostic Markers in Gastric Cancer." Cancers 15, no. 21 (2023): 5271. http://dx.doi.org/10.3390/cancers15215271.

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Metabolites associated with microbes regulate human immunity, inhibit bacterial colonization, and promote pathogenicity. Integrating microbe and metabolome research in GC provides a direction for understanding the microbe-associated pathophysiological process of metabolic changes and disease occurrence. The present study included 30 GC patients with 30 cancerous tissues and paired non-cancerous tissues (NCs) as controls. LC-MS/MS metabolomics and 16S rRNA sequencing were performed to obtain the metabolic and microbial characteristics. Integrated analysis of the microbes and metabolomes was con

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Hernández, M. A. González, E. E. Canfora, and E. E. Blaak. "Faecal microbial metabolites of proteolytic and saccharolytic fermentation in relation to degree of insulin resistance in adult individuals." Beneficial Microbes 12, no. 3 (2021): 259–66. http://dx.doi.org/10.3920/bm2020.0179.

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The gut microbiota may affect host metabolic health through microbial metabolites. The balance between the production of microbial metabolites by saccharolytic and proteolytic fermentation may be an important determinant of metabolic health. Amongst the best-studied saccharolytic microbial metabolites are the short-chain fatty acids acetate, propionate and butyrate. However, human data on the role of other microbial fermentation by-products in metabolic health are greatly lacking. Therefore, we compared in a cross-sectional study the faecal microbial metabolites (caproate, lactate, valerate, s

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Shaffer, Justin P., Louis-Félix Nothias, Luke R. Thompson, et al. "Standardized multi-omics of Earth’s microbiomes reveals microbial and metabolite diversity." Nature Microbiology 7, no. 12 (2022): 2128–50. http://dx.doi.org/10.1038/s41564-022-01266-x.

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AbstractDespite advances in sequencing, lack of standardization makes comparisons across studies challenging and hampers insights into the structure and function of microbial communities across multiple habitats on a planetary scale. Here we present a multi-omics analysis of a diverse set of 880 microbial community samples collected for the Earth Microbiome Project. We include amplicon (16S, 18S, ITS) and shotgun metagenomic sequence data, and untargeted metabolomics data (liquid chromatography-tandem mass spectrometry and gas chromatography mass spectrometry). We used standardized protocols a

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Lee-Sarwar, Kathleen A., Jessica Lasky-Su, Rachel S. Kelly, Augusto A. Litonjua, and Scott T. Weiss. "Gut Microbial-Derived Metabolomics of Asthma." Metabolites 10, no. 3 (2020): 97. http://dx.doi.org/10.3390/metabo10030097.

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In this review, we discuss gut microbial-derived metabolites involved with the origins and pathophysiology of asthma, a chronic respiratory disease that is influenced by the microbiome. Although both gut and airway microbiomes may be important in asthma development, we focus here on the gut microbiome and metabolomic pathways involved in immune system ontogeny. Metabolite classes with existing evidence that microbial-derived products influence asthma risk include short chain fatty acids, polyunsaturated fatty acids and bile acids. While tryptophan metabolites and sphingolipids have known assoc

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Bérdy, János. "Bioactive Microbial Metabolites." Journal of Antibiotics 58, no. 1 (2005): 1–26. http://dx.doi.org/10.1038/ja.2005.1.

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Schmidt, Eric W. "Hunting microbial metabolites." Nature Chemistry 7, no. 5 (2015): 375–76. http://dx.doi.org/10.1038/nchem.2252.

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Marzouk, Amani M., and Galal T. Maatooq. "Microbial Metabolism of Danazol: A Contribution to Doping Analysis." Zeitschrift für Naturforschung C 69, no. 5-6 (2014): 245–52. http://dx.doi.org/10.5560/znc.2013-0135.

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Microbial metabolism of danazol (17α-pregna-2,4-dien-20-yno[2,3-d]isoxazol-17ß-ol) by Beauveria bassiana ATCC 7159 and Glyocladium viride ATCC 10097 afforded four metabolites. The isolated metabolites were identified by different spectroscopic techniques as 6ß- hydroxy danazol, which is a not yet reported danazol metabolite, 17ß-hydroxy-17α-pregn-4-en- 20-yn-3-one (ethisterone) and 17ß-hydroxy-2α-(hydroxymethyl)-17α-pregn-4-en-20-yn-3-one (2α- hydroxymethyl ethisterone), which represent the major danazol metabolites detected in human urine. The last metabolite, 6ß,17ß-dihydroxy-2-(hydroxymethy

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Douglas, Angela E. "The microbial exometabolome: ecological resource and architect of microbial communities." Philosophical Transactions of the Royal Society B: Biological Sciences 375, no. 1798 (2020): 20190250. http://dx.doi.org/10.1098/rstb.2019.0250.

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All microorganisms release many metabolites, collectively known as the exometabolome. The resultant multi-way cross-feeding of metabolites among microorganisms distributes resources, thereby increasing total biomass of the microbial community, and promotes the recruitment and persistence of phylogenetically and functionally diverse taxa in microbial communities. Metabolite transfer can also select for evolutionary diversification, yielding multiple closely related but functionally distinct strains. Depending on starting conditions, the evolved strains may be auxotrophs requiring metabolic outp

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Foster, B. C., D. L. Wilson, T. Marwood, J. C. Ethier, and J. Zamecnik. "Microbial transformation of 3,4-methylenedioxy-N-methylamphetamine and 3,4-methylenedioxyamphetamine." Canadian Journal of Microbiology 42, no. 8 (1996): 851–54. http://dx.doi.org/10.1139/m96-107.

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The biotransformation of 3,4-methylenedioxy-N-methylarnphetamine (MDMA) and 3,4-methylenedioxyamphetamine (MDA) was examined in the fungus Cunninghamella echinulata. In addition to the reported mammalian metabolites (MDA, 3,4-methylenedioxybenzyl methyl ketoxime, 3,4-methylenedioxybenzyl methyl ketone) and the parent substrate, there were six novel metabolites detected. N-Acetyl-3,4-methylenedioxyamphetamine (NAcMDA) was unequivocally identified and three unidentified metabolites related to NAcMDA were also detected. N-Acetyl-3,4-methylenedioxy-1-phenyl-1-hydroxy-2-aminopropane was tentatively

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Kashyap, Bina, and Arja Kullaa. "Salivary Metabolites Produced by Oral Microbes in Oral Diseases and Oral Squamous Cell Carcinoma: A Review." Metabolites 14, no. 5 (2024): 277. http://dx.doi.org/10.3390/metabo14050277.

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In recent years, salivary metabolome studies have provided new biological information and salivary biomarkers to diagnose different diseases at early stages. The saliva in the oral cavity is influenced by many factors that are reflected in the salivary metabolite profile. Oral microbes can alter the salivary metabolite profile and may express oral inflammation or oral diseases. The released microbial metabolites in the saliva represent the altered biochemical pathways in the oral cavity. This review highlights the oral microbial profile and microbial metabolites released in saliva and its use

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Dissertations / Theses on the topic "Microbial metabolites"

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Udell, M. N. "Biochemical studies on microbial secondary metabolites." Thesis, University of Nottingham, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.379013.

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Pathirana, Induruwa Charles. "Secondary metabolites from selected marine organisms." Thesis, University of British Columbia, 1986. http://hdl.handle.net/2429/27506.

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Marine organisms are known to produce secondary metabolites which have novel structures and are often biologically active. Chemical studies of biologically active metabolites from three different marine organisms led to the discovery of six new compounds and six previously known compounds. The brown alga Dictyota binghamiae is fairly abundant in British Columbia coastal waters. A chemical study of this alga yielded ten diterpenoids of which four are new compounds. All the new compounds, dictyoxide A (66), dictyol G acetate (68), dictyotriol A diacetate (69), and epidictyol B acetate (70) cont

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Hu, Yiding. "The biosynthesis of manumycin type metabolites /." Thesis, Connect to this title online; UW restricted, 2000. http://hdl.handle.net/1773/8479.

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Drummond, Allison K. "Bioactive metabolites from microorganisms /." Electronic version (PDF), 2006. http://dl.uncw.edu/etd/2006/drummonda/allisondrummond.pdf.

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Horn, Owen. "Environmental Contamination by Metabolites of Microbial Degradation of Plasticizers." Thesis, McGill University, 2003. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=92140.

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Earlier work with pure cultures has shown that the interaction of microbes with plasticizers leads to the formation ofmetabolites including 2-ethylhexanol and 2ethylhexanoic acid that resist further degradation. The same studies have shown that these compounds exhibit acute toxicity. This work has shown that the ability of soil micro-organisms to produce these metabolites from the degradation ofplasticizers is a general phenomenon. It was also found that the ability of soil organisms to degrade 2ethylhexanoic acid does not seem to be as common. Taken together, it would be expected that partial

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Morris, Sandra Anne. "Novel secondary metabolites isolated from selected marine invertebrates." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/31073.

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A study of the secondary metabolism of two northeastern Pacific sponges and two Sri Lankan nudibranchs has led to the isolation of thirteen new and one previously known natural products. The structures of all of the compounds were determined by a combination of spectroscopic data analysis and chemical interconversions. A study of the chemistry of the northeastern Pacific sponge Hexadella sp. has resulted in the isolation of six new brominated alkaloids. Two of these, hexadellins A (77) and B (78), are derived from dibromotyrosine. The structures of compounds 77 and 78 were determined via thei

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Veri, Michael. "Dead/Live Microbial Culture Technique." Scholar Commons, 2015. http://scholarcommons.usf.edu/etd/5790.

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New methodology has been utilized to provoke or increase targeted metabolic pathways in microbes. The low hanging fruit of natural products has been discovered over the last 50 years. To continue finding new metabolites to be used as possible drug candidates, methodology development such as those proposed herein are necessary. This methodology uses extracts from known pathogenic bacteria to elicit production of latent biosynthetic pathways from environmental bacterial isolates that may be active against the original pathogenic strains. A new compound, MAV-1 (1) of the diketopiperazine family (

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Elsayed, Somayah Sameer. "Chemical characterisation of microbial natural products from underexplored habitats." Thesis, University of Aberdeen, 2015. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=227107.

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Neng, Tanty Sofyana. "Studies on novel food functions of microbial metabolites and constituents." Kyoto University, 2020. http://hdl.handle.net/2433/253509.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(農学)<br>甲第22664号<br>農博第2419号<br>新制||農||1080(附属図書館)<br>学位論文||R2||N5295(農学部図書室)<br>京都大学大学院農学研究科応用生物科学専攻<br>(主査)教授菅原達也, 教授佐藤健司, 教授澤山茂樹<br>学位規則第4条第1項該当

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Ishii, Takafumi. "Novel antitumor microbial metabolites obtained through the mechanism-oriented screening." Kyoto University, 2000. http://hdl.handle.net/2433/151634.

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Books on the topic "Microbial metabolites"

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1939-, Varma A., and Chincholkar S. B, eds. Microbial siderophores. Springer, 2007.

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Betina, Vladimír. Bioactive secondary metabolite of microorganisms. Elsevier, 1994.

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Lancini, Giancarlo. Biotechnology of antibiotics and other bioactive microbial metabolites. Plenum Press, 1993.

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Federici, Massimo, and Rossella Menghini, eds. Gut Microbiome, Microbial Metabolites and Cardiometabolic Risk. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-08115-6.

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Castaldi, Frank J. Thermophilic anaerobic biodegradation of phenolics. U.S. Environmental Protection Agency, Air and Energy Engineering Research Laboratory, 1986.

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Doi, Y. Microbial polyesters. VCH, 1990.

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Lancini, Giancarlo, and Rolando Lorenzetti. Biotechnology of Antibiotics and Other Bioactive Microbial Metabolites. Springer US, 1993. http://dx.doi.org/10.1007/978-1-4757-9522-6.

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1937-, Lukacs Gabor, ed. Recent progress in the chemical synthesis of antibiotics and related microbial products. Springer-Verlag, 1993.

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Jung, M. C. Victoria. The role of selected plant and microbial metabolites in the nutrient solution of closed growing systems in greenhouses. Swedish University of Agricultural Sciences, 2003.

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Z, Vaněk, and Hošťálek Zdenek, eds. Overproduction of microbial metabolites: Strain improvement and process control strategies. Butterworths, 1986.

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Book chapters on the topic "Microbial metabolites"

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Lockett, Trevor J., Anthony R. Bird, Claus Christophersen, Julie M. Clarke, Michael A. Conlon, and David L. Topping. "Microbes, Metabolites and Health." In Microbial Metabolomics. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-46326-1_2.

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Gnaneswari, M. Divya, Parasuraman Aiya Subramani, and Chandrasekaran Binuramesh. "Microbial Metabolites as Fish Immunostimulants." In Microbial Products. CRC Press, 2022. http://dx.doi.org/10.1201/9781003306931-20.

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Aharonowitz, Y., and G. Cohen. "Bioactive Microbial Secondary Metabolites." In Biotechnology: Potentials and Limitations. Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-70535-9_8.

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Herbert, R. B. "Microbial metabolites containing nitrogen." In The Biosynthesis of Secondary Metabolites. Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-010-9132-9_7.

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Nehra, Manju, and Vikash Nain. "Microbial Production of Metabolites." In Handbook of Industrial Food Microbiology. Apple Academic Press, 2024. http://dx.doi.org/10.1201/9781003412779-6.

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Dara, Surendra K. "Microbial Metabolites as Pesticides." In Sustainability in Plant and Crop Protection. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-67231-7_4.

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Mosoane, Benny, Masibulele Nonxuba, Jessica McIntyre, Meshack Bida, Tsholofelo Kungoane, and Zodwa Dlamini. "Microbial Metabolites and Cancer." In Exploring the Gut Microbiome in Cancer. CRC Press, 2024. http://dx.doi.org/10.1201/9781032706450-8.

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Moore, Richard E. "Cyanobacterial Secondary Metabolites." In Microbial Growth on C1 Compounds. Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-0213-8_33.

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Sati, Priyanka, Deepa Minakshi, Eshita Sharma, Ruchi Soni, and Praveen Dhyani. "Secondary Metabolites." In Microbial Based Land Restoration Handbook, Volume 2. CRC Press, 2022. http://dx.doi.org/10.1201/9781003147077-6.

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Behera, Himadri Tanaya, Abhik Mojumdar, Suchismita Nivedita, and Lopamudra Ray. "Microbial Pigments: Secondary Metabolites with Multifaceted Roles." In Microbial Polymers. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-0045-6_25.

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Conference papers on the topic "Microbial metabolites"

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Videla, H. A., P. S. Guiamet, S. DoValle, and E. H. Reinoso. "Effects of Fungal and Bacterial Contaminants of Kerosene Fuels on the Corrosion of Storage and Distribution Systems." In CORROSION 1988. NACE International, 1988. https://doi.org/10.5006/c1988-88091.

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Abstract The electrochemical behavior of pure aluminum, 2024 alloy and mild steel have been studied in the presence of several species of fungi and bacteria isolated from kerosene fuels storage and distribution systems. Microbial growth facilitates passivity breakdown mainly through the action of organic acidic metabolites derived from hydrocarbon degradation. Their corrosive effect depends on the pH and electrolyte composition of the medium, especially with reference to chloride and nitrate levels. Microbial adhesion to the metal surface enhances metal dissolution. The metabolic activities of

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Rajala, Pauliina, Malin Bomberg, Elisa Isotahdon, and Leena Carpén. "The Microbial Processes Affecting the Integrity of Copper Canister in Geological Repository of Nuclear Waste." In CORROSION 2019. NACE International, 2019. https://doi.org/10.5006/c2019-13019.

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Abstract The nuclear waste disposal concept in Finland is based on a multi-barrier system, where the spent nuclear fuel is disposed of in deep crystalline bedrock in copper canisters surrounded by bentonite clay buffer. The copper canisters should have lifetimes exceeding 100 000 years to prevent the release of radioactive nuclides to the environment. In anoxic water, such as the groundwater at the disposal site, the corrosion of copper should be extremely slow. However, microbial activity on the surface or in the vicinity of the copper canister can enhance corrosion in many different ways, e.

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Samant, A. K., and S. K. Singh. "Role of Microbial Induced Corrosion in Subsea Water Pipe Line Failure." In CORROSION 1998. NACE International, 1998. https://doi.org/10.5006/c1998-98280.

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Abstract Premature failure of subsea water injection pipelines due to rupture was observed in Indian offshore facilities. In this connection various contributing factors like metallurgy of pipeline, operating conditions and corrosion related parameters have been examined. Material defects that can lead to premature failure of pipelines like microstructural anomalies, variation in hardness and elemental composition and tensile strength etc. have been found within the specified limits of material specification. Analysis of various operating parameters and water quality data indicated failure due

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Wagner, Patricia A., and Brenda J. Little. "Applications of a Technique for the Investigation of Microbially Induced Corrosion." In CORROSION 1986. NACE International, 1986. https://doi.org/10.5006/c1986-86121.

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Abstract Traditional corrosion-measuring techniques applied to the study of microbially induced corrosion cannot distinguish between biotic and abiotic contributions. This paper describes a technique that permits this distinction. A cell composed of two galvanically coupled compartments, electrolytically connected but biologically separated, has been used to evaluate the electrochemical impact of naturally occurring estuarine microorganisms on four metal substrata. The colonizing species and the electrochemical impact of colonization varied among the metals evaluated. Preferential selection of

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Wei, Yixin, Tong Qiu, and Zhen Chen. "Metabolic optimization of Vibrio natriegens based on metaheuristic algorithms and the genome-scale metabolic model." In The 35th European Symposium on Computer Aided Process Engineering. PSE Press, 2025. https://doi.org/10.69997/sct.169411.

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In recent years, burgeoning interest in products derived from microbial production across various sectors has significantly propelled the evolution of the field of metabolic engineering. As a Gram-negative bacterium, Vibrio natriegens is characterized by its fast growth, robust metabolic capabilities, and a broad substrate spectrum, making it a promising candidate as a standard biological host for the industrial bioproduction of metabolites. Genome-scale metabolic models (GSMMs) are mathematical representations constructed based on genome annotations and gene-protein-reaction (GPR) association

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Lutterbach, Márcia Teresa Soares, Luciana Silva Contador, Mariana Machado Galvão, Viviane de Oliveira, Marcelo Araújo, and Gutemberg de Souza Pimenta. "Real-time PCR Applied to Quantification of SRB in Bottom Water from Fuel Tanks." In CORROSION 2011. NACE International, 2011. https://doi.org/10.5006/c2011-11233.

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Abstract Microorganisms can grow in different types of fuels. The presence of water in the fuel is crucial for the growth of bacteria, fungi and yeasts. Microorganisms may grow in the presence of oxygen (aerobic) or in its absence (anaerobic), feeding primarily on hydrocarbon fuel, minerals and other impurities in the water. The amount of water required for microbial growth is very small. A fuel containing only 1% of water presents favorable conditions for the development of microbial colonies and spores can survive in the presence of only 5 -80 ppm of water. In practice, the bottoms of storag

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Shi, Wei, Paul Evans, Gabrielle Scheffer, and Casey Hubert. "Novel Application of Nitrate as H2S Control Strategy in Permian Basin Produced Water Storage Ponds." In CONFERENCE 2023. AMPP, 2023. https://doi.org/10.5006/c2023-18968.

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Abstract Produced water (PW) ponds are important facilities for supporting hydraulic fracturing in the Permian Basin. The control of H2S in these facilities is critical to safe and reliable frac and production operations. Effective microbial control strategies are required to mitigate sulfate-reducing bacteria (SRB) activity and fouling of production facilities with iron sulfide. Next generation sequencing (NGS) DNA analyses of Delaware Basin produced water (PW) samples highlighted a bacterial consortium dominated by putative halophilic fermentative and sulfate-reducing bacteria such as Halana

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Xu, Lingjun, Adnan Khan, Sith Kumseranee, Suchada Punpruk, Pruch Kijkla, and Tingyue Gu. "A Disposable Electrochemical Biofilm/MIC Test Kit to Detect MIC and to Assess Efficacy of Biocide Treatment of Biofilm." In CONFERENCE 2024. AMPP, 2024. https://doi.org/10.5006/c2024-20887.

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Abstract Microbial biofilms are behind microbiologically influenced corrosion (MIC). Currently, all the so-called MIC test kits on the market are actually microbe test kits. Our new disposable miniature electrochemical biofilm/MIC test kit based on 10 ml serum vials with solid-state electrodes fills the gap to provide corrosion information such as abiotic corrosion vs. MIC, and MIC by electron-harvesting biofilms vs. MIC by corrosive metabolites. It can also test antimicrobial efficacy. An electrochemical workstation is used as a base station to perform various electrochemical scans such as li

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Jensen, Michael, Jeppe Jensen, Leif Blidegn, Ketil Sørensen, and Susanne Juhler. "Improved Dynamic Biocide Testing Using Methanogenic and Sulfate-reducing Biofilms under Pipeline Conditions." In CORROSION 2012. NACE International, 2012. https://doi.org/10.5006/c2012-01279.

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Abstract An effective microbiology management strategy is pivotal to avoid biofouling, microbial influenced corrosion (MIC) and reservoir souring in oil production. MIC has often occurred despite the application of biocide chemicals into the affected systems. This is understandable since present biocide efficacy tests are performed mostly on bacterial cultures grown in suspension. Inactivation of stratified biofilms requires higher concentrations of biocide or longer exposure times compared to cells in suspension. Thus, conventional biocide tests may be insufficient to ensure the best possible

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Weimer, Paul J., and Thomas K. Ng. "Use of Two-Stage Continuous Culture to Assess Biocorrosion by Sulfate-Reducing Bacteria." In CORROSION 1988. NACE International, 1988. https://doi.org/10.5006/c1988-88090.

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Abstract Corrosion of carbon steel and 304 stainless steel by free-floating cells of an oilfield culture of Desulfovibrio desulfuricans was investigated using a novel two-stage continuous culture apparatus. The apparatus consisted of two 2-liter vessels connected in series and maintained under anaerobic conditions. The first vessel was continuously fed a chemically-defined medium containing lactate as sole energy source and growth-limiting nutrient, and was sparged with N2 or a N2/CO2 mixture. The second vessel received the overflow from the first vessel, but no sparge and no additional nutrie

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Reports on the topic "Microbial metabolites"

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Turick, C. E., A. S. Knox, K. L. Dixon, R. J. Roseberry, and Y. G. Kritzas. Field Deployment for In-situ Metal and Radionuclide Stabilization by Microbial Metabolites. Office of Scientific and Technical Information (OSTI), 2005. http://dx.doi.org/10.2172/881331.

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Beers, Richard. Scientific and Technical Support Services. Toxicity of Microbial Metabolites of 2,4,6-Trinitrotoluene (TNT). Defense Technical Information Center, 1993. http://dx.doi.org/10.21236/adb179225.

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TURICK, CHARLES. Microbial Metabolite Production for Accelerated Metal and Radionuclide Bioremediation (Microbial Metabolite Production Report). Office of Scientific and Technical Information (OSTI), 2004. http://dx.doi.org/10.2172/835058.

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Jander, Georg, and Daniel Chamovitz. Investigation of growth regulation by maize benzoxazinoid breakdown products. United States Department of Agriculture, 2015. http://dx.doi.org/10.32747/2015.7600031.bard.

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Introduction Previous research had suggested that benzoxazinoids, a class of defensive metabolites found in maize, wheat, rye, and wild barley, are not only direct insect deterrents, but also influence other areas of plant metabolism. In particular, the benzoxazinoid 2,4-dihydroxy-7-methoxy-2H-1,4-benzoxa- zin-3(4H)- one (DIMBOA) was implicated in: (i) altering plant growth by interfering with auxin signaling, and (ii) leading to the induction of gene expression changes and secondary plant defense responses. The overall goal of this proposal was to identify mechanisms by which benzoxazinoids i

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Mizrahi, Itzhak, and Bryan A. White. Exploring the role of the rumen microbiota in determining the feed efficiency of dairy cows. United States Department of Agriculture, 2011. http://dx.doi.org/10.32747/2011.7594403.bard.

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Expanding world hunger calls for increasing available food resources. Ruminants have the remarkable ability to convert human-indigestible plant biomass into human-digestible food products, due to a complex microbiome residing in the rumen compartment of their upper digestive tract. One way to tackle the problem of diminishing food resources is to increase the animals' energetic efficiency, i.e., the efficiency with which they convert energy from feed, thereby increasing food availability while lowering the environmental burden, as these animals would produce more and eat less. We hypothesize t

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Mizrahi, Itzhak, and Bryan A. White. Uncovering rumen microbiome components shaping feed efficiency in dairy cows. United States Department of Agriculture, 2015. http://dx.doi.org/10.32747/2015.7600020.bard.

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Ruminants provide human society with high quality food from non-human-edible resources, but their emissions negatively impact the environment via greenhouse gas production. The rumen and its resident microorganisms dictate both processes. The overall goal of this project was to determine whether a causal relationship exists between the rumen microbiome and the host animal's physiology, and if so, to isolate and examine the specific determinants that enable this causality. To this end, we divided the project into three specific parts: (1) determining the feed efficiency of 200 milking cows, (2)

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Sharon, Amir, and Maor Bar-Peled. Identification of new glycan metabolic pathways in the fungal pathogen Botrytis cinerea and their role in fungus-plant interactions. United States Department of Agriculture, 2012. http://dx.doi.org/10.32747/2012.7597916.bard.

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The involvement of glycans in microbial adherence, recognition and signaling is often a critical determinant of pathogenesis. Although the major glycan components of fungal cell walls have been identified there is limited information available on its ‘minor sugar components’ and how these change during different stages of fungal development. Our aim was to define the role of Rhacontaining-glycans in the gray mold disease caused by the necrotrophic fungus B. cinerea. The research was built on the discovery of two genes, Bcdhand bcer, that are involved in formation of UDP-KDG and UDP-Rha, two UD

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Paterek, J. Robert. L51963 Environmental Benign Mitigation of Microbiologically Influenced Corrosion (MIC). Pipeline Research Council International, Inc. (PRCI), 2002. http://dx.doi.org/10.55274/r0011299.

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The objective is to develop and evaluate environmental benign agents or products that are effective in the prevention, inhibition, and mitigation of microbially influenced corrosion (MIC) on the internal surfaces of metallic natural gas pipelines. The goal is one or more products that can be applied to maintain the structure and dependability of the natural gas infrastructure. The technical approach for this year has been to evaluate a number of methods to fractionate and concentrate the components found in the pepper extracts. The separation methods considered include size exclusion chromatog

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