Academic literature on the topic 'Acid and bile tolerance'

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Journal articles on the topic "Acid and bile tolerance"

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Aleman, Ricardo S., Franklin Delarca, Mallerly Sarmientos, Jhunior Marcia, Ajitesh Yaday, and Aryana Kayanush. "Impact of Novel Functional Ingredients on Lactobacillus casei Viability." Bacteria 3, no. 1 (2024): 30–41. http://dx.doi.org/10.3390/bacteria3010003.

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Nipple fruit (Solanum mammosum), teosinte (Dioon mejiae), Caesar mushroom (Amanita caesarea), and weevil (Rhynchophorus palmarum) powders have shown great nutritional content with meaningful dietary applications. This study aspired to investigate the impact of nipple fruit, teosinte, Caesar mushroom, and weevil powders on the bile tolerance, acid tolerance, lysozyme tolerance, gastric juice resistance, and protease activity of Lactobacillus casei. Nipple fruit, teosinte, Caesar mushroom, and weevil powders were combined at 2% (wt/vol), whereas the control samples did not include the ingredient
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Zheng, Miao, Qi Su, Haoqing Wu, Chenggang Cai, Le Thanh Ninh, and Haiying Cai. "Elucidating Bile Acid Tolerance in Saccharomyces cerevisiae: Effects on Sterol Biosynthesis and Transport Protein Expression." Foods 13, no. 21 (2024): 3405. http://dx.doi.org/10.3390/foods13213405.

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The tolerance of Saccharomyces cerevisiae to high concentrations of bile acids is intricately linked to its potential as a probiotic. While the survival of yeast under high concentrations of bile acids has been demonstrated, the specific mechanisms of tolerance remain inadequately elucidated. This study aims to elucidate the tolerance mechanisms of S. cerevisiae CEN.PK2-1C under conditions of elevated bile acid concentrations. Through growth curve analyses and scanning electron microscopy (SEM), we examined the impact of high bile acid concentrations on yeast growth and cellular morphology. Ad
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Kimoto-Nira, Hiromi, Shigenori Suzuki, Takafumi Yakabe, and Chise Suzuki. "Relationships between fatty acid composition and bile tolerance in lactobacillus isolates from plants and from non-plant materials." Canadian Journal of Microbiology 58, no. 12 (2012): 1396–404. http://dx.doi.org/10.1139/cjm-2012-0442.

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Twenty plant-derived and 18 non-plant-derived strains of Lactobacillus casei were compared for their growth in tryptone – yeast extract – glucose broth containing 0.3% bile by measuring absorbance at a wavelength of 620 nm after 24 h of incubation at 37 °C. Bile tolerance — a fundamental probiotic property — was calculated by dividing the experimental data by control values (growth without bile). We found that bile tolerance was strain specific but that the average bile tolerance of the plant-derived strains was significantly (P < 0.05) lower than that of the non-plant-derived strains teste
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Masaaki Minami, Shin-nosuke Hashikawa, Takafumi Ando, Hidemi Goto, and Michio Ohta. "AcrB is essential for bile acid tolerance in Helicobacter pylori." GSC Advanced Research and Reviews 10, no. 2 (2022): 099–106. http://dx.doi.org/10.30574/gscarr.2022.10.2.0055.

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Resistance to bile acids is a necessary ability for bacteria that live in the gastrointestinal tract, such as Helicobacter pylori. The role of the bacterial drug efflux system is important for bile acid tolerance. Using the H. pylori JP26 strain and the JP26AcrB strain deficient in AcrB the relationship between the drug efflux system AcrB and the bile acid tolerance of H. pylori was investigated. Bacterial susceptibility to bile acids was measured by the agar dilution method. To examine the ability to efflux bile acids, the intracellular accumulation of radiolabeled chenodeoxycholic acid was m
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Paz, David, Ricardo S. Aleman, Roberto Cedillos, et al. "Probiotic Characteristics of Streptococcus thermophilus and Lactobacillus delbrueckii ssp. bulgaricus as Influenced by Carao (Cassia grandis)." Fermentation 8, no. 10 (2022): 499. http://dx.doi.org/10.3390/fermentation8100499.

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Carao is considered a functional ingredient since its bioactive compounds are meaningful in nutritional, pharmacological, and medicinal applications. The objective of this study was to determine the effects of carao pulp powder on the bacterial viability, acid tolerance, bile tolerance, and protease activity of S. thermophilus STI-06 and L. bulgaricus LB-12. M17 broth with 0.5% lactose and MRS broth were used for S. thermophilus and L. bulgaricus, respectively, for determining bacterial viability, acid tolerance, and bile tolerance. Skim milk was used to study the protease activity of both bac
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Masaaki, Minami, Hashikawa Shin-nosuke, Ando Takafumi, Goto Hidemi, and Ohta Michio. "AcrB is essential for bile acid tolerance in Helicobacter pylori." GSC Advanced Research and Reviews 10, no. 2 (2022): 099–106. https://doi.org/10.5281/zenodo.6331575.

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Resistance to bile acids is a necessary ability for bacteria that live in the gastrointestinal tract, such as&nbsp;<em>Helicobacter pylori</em>. The role of the bacterial drug efflux system is important for bile acid tolerance. Using the&nbsp;<em>H. pylori&nbsp;</em>JP26 strain and the JP26AcrB strain deficient in&nbsp;<em>AcrB</em>&nbsp;the relationship between the drug efflux system AcrB and the bile acid tolerance of&nbsp;<em>H. pylori</em>&nbsp;was investigated. Bacterial susceptibility to bile acids was measured by the agar dilution method. To examine the ability to efflux bile acids, the
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Suzuki, Shigenori, Hiromi Kimoto-Nira, Hiroyuki Suganuma, Chise Suzuki, Tadao Saito, and Nobuhiro Yajima. "Cellular fatty acid composition and exopolysaccharide contribute to bile tolerance in Lactobacillus brevis strains isolated from fermented Japanese pickles." Canadian Journal of Microbiology 60, no. 4 (2014): 183–91. http://dx.doi.org/10.1139/cjm-2014-0043.

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Bile tolerance is a fundamental ability of probiotic bacteria. We examined this property in 56 Lactobacillus brevis strains isolated from Japanese pickles and also evaluated cellular fatty acid composition and cell-bound exopolysaccharide (EPS-b) production. The bile tolerance of these strains was significantly lower in modified de Man – Rogosa – Sharpe (MRS) medium (without Tween 80 or sodium acetate) than in standard MRS medium. Aggregating strains showed significantly higher bile tolerance than nonaggregating strains in MRS medium, but there was no significant difference in the modified MRS
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Marcia, Jhunior, Ricardo Santos Aleman, Ismael Montero-Fernández, et al. "Attributes of Lactobacillus acidophilus as Effected by Carao (Cassia grandis) Pulp Powder." Fermentation 9, no. 5 (2023): 408. http://dx.doi.org/10.3390/fermentation9050408.

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This study aimed to examine the prebiotic effect of Carao (Cassia grandis) pulp powder on the probiotic characteristics of Lactobacillus acidophilus regarding the viability, enzymatic activity, lysozyme resistance, bile and acid tolerances, and tolerance to gastric juices. Carao powder was used at 0% (control), 1%, 2%, and 3% (w/v). Acid and lysozyme tolerance were determined at 0, 30, 60, 90, and 120 min of incubation, whereas bile tolerance was analyzed at 0, 4, and 8 h. The gastric juice tolerance was determined at pH 2, 3, 4, 5, and 7 during 0 and 30 min of incubation. The protease was eva
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Aleman, Ricardo S., Dany Avila, Allan Avila, et al. "Effects of Weevil (Rhynchophorus palmarum), Teosinte (Dioon mejiae) and Caesar’s Mushroom (Amanita caesarea) on the Properties of Lactobacillus acidophilus LA-K." Fermentation 9, no. 9 (2023): 852. http://dx.doi.org/10.3390/fermentation9090852.

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Weevil (Rhynchophorus palmarum) powder, teosinte (Dioon mejiae) and Caesar’s mushroom (Amanita caesarea) flour have bioactive compounds with significant nutritional applications. This paper aimed to examine the influence of weevil, teosinte, and mushroom powders on the protease activity, acid tolerance, bile tolerance, lysozyme tolerance, and gastric juice resistance ability of Lactobacillus acidophilus LA-K. Acid tolerance was determined by adjusting the pH of MRS broth to 2.0 for L. acidophilus incubated under aerobic conditions at 37 °C. Bile tolerance was determined by incorporating 0.3% o
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Abang Hamdani, Dayang Hanim Alysha, Ilyanie Hj. Yaacob, and Ida Muryany Md Yasin. "Isolation and characterisation of probiotic lactic acid bacteria from Malaysian fermented shrimp product pekasam senek." International Food Research Journal 31, no. 5 (2024): 1240–52. https://doi.org/10.47836/ifrj.31.5.13.

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Lactic acid bacteria (LAB) from fermented foods have been proven as able to hinder the growth and activities of some foodborne pathogens. The present work thus aimed to isolate and characterise the potential LAB isolated from Malaysian fermented shrimp, pekasam senek (PS). Twelve isolates were obtained and molecularly identified via 16S rRNA gene sequencing, followed by acid and bile salt tolerance assessment, and cholesterol-lowering activity evaluation. The isolates showed satisfactory tolerance in a harsh acidic condition of pH 3.0; ten isolates (PS13, PS14, PS16, PS17, PS20, PS24, PS26, PS
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Dissertations / Theses on the topic "Acid and bile tolerance"

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Chou, Lan-Szu. "Isolation and Biochemical Characterization of Acid- and Bile- Tolerant Strains of Lactobacillus Acidophilus and Bifidobacterium Bifidum." DigitalCommons@USU, 1997. https://digitalcommons.usu.edu/etd/5427.

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Lactic acid bacteria have been reported to be used as a health adjunct in food for u many years. However, these health benefits have not been proven. and how these bacteria pass through the digestion process and remain viable in the human intestinal tract is still not clear. The aim of this work was to isolate mutants from Lactobacillus acidophilus or Bifidobacterium bifidum that could tolerate the conditions of the digestion process (low pH and bile conduction) and to characterize these isolated mutants. Acid- and bile-tolerant mutants of L. acidophilus were isolated from parental strains suc
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Grossová, Marie. "Tvorba biofilmu u probiotických bakterií a jejich zpracování do pevné lékové formy." Doctoral thesis, Vysoké učení technické v Brně. Fakulta chemická, 2016. http://www.nusl.cz/ntk/nusl-263349.

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The aim of present work is cultivation of probiotic bacteria L. acidophilus, B. breve and B. longum in such a way that the culture forms cells clusters or comprehensive biofilm on the variety of free carriers. Biofilm formation of L. acidophilus on the silica from point of view bile and acid tolerance in gastrointestinal tract was studied. While the number of living cells in planktonic form (planktonic form) at pH 1 fell by 30 %, the viability of the biofilm cells was maintained to 90 % under the same environmental conditions. The biofilm culture showed also the protection against environment
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Villeger, Romain. "Etude in vitro des propriétés probiotiques de bactéries du genre Bacillus : Interaction avec l’hôte et effets de l’association avec un prébiotique." Thesis, Limoges, 2014. http://www.theses.fr/2014LIMO0066/document.

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Les probiotiques sont des microorganismes vivants qui, lorsqu’ils sont ingérés en quantité adéquate, peuvent exercer des propriétés bénéfiques sur la santé de l’hôte. Les souches de Bacillus utilisées en tant que probiotiques ne sont pas colonisatrices du tractus intestinal, mais sont des résidents transitoires du microbiote. Ce travail fait l’investigation in vitro de l’association, qualifiée de synbiotique, entre une souche probiotique de Bacillus subtilis et une source carbonée prébiotique, composé alimentaire peu digéré par les enzymes intestinales mais utilisable par les bactéries dans l’
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Benson, Gregory Martin. "Studies on bile acid sequestrants and bile acid metabolism in the hamster." Thesis, Royal Veterinary College (University of London), 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.518089.

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Torchia, Enrique C. "The role of intracellular bile acid binding proteins in bile acid transport and cytoprotection." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/NQ60354.pdf.

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Trusova, Tatyana. "Quantitative estimation of bile acid conjugates in human bile using HPLC /." Connect to online version, 1995. http://hdl.handle.net/1989/3555.

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Zheng, Zhi-Ying 1957. "Bile acid-induced DNA damage in bacteria." Thesis, The University of Arizona, 1990. http://hdl.handle.net/10150/291421.

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Bile acids have been implicated by epidemiologic evidence as causative agents in colon cancer. Previous studies have indicated that the bile acids damage DNA. However, the conjugated forms of bile acids (eg. tauro conjugates) have not been tested for interaction with DNA. The present study compared the DNA-damaging ability of unconjugated and conjugated bile acids using the E. coli SOS test system. The E. coli tester strain was incubated with the bile acids and conjugated bile acids. Both cell survival and induction of the SOS response was measured. Among unconjugated bile acids, deoxycholate,
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Kiroff, George Kosta. "Oesophageal mucosal injury by acid and bile salt /." Title page, table of contents and summary only, 1986. http://web4.library.adelaide.edu.au/theses/09MS/09msk59.pdf.

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Thesis (M.S.)--University of Adelaide, Dept. of Surgery, 1989.<br>The experimental work described was performed in the Department of Surgery of the University of Adelaide during 1982-1983. Typescript (photocopy). Includes bibliographical references (leaves 191-211).
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Bajor, Antal. "Bile acid induced diarrhoea : pathophysiological and clinical aspects /." Göteborg : Dept. of Internal Medicine, Institute of Medicine at Sahlgrenska Academy, University of Gothenburg, 2008. http://hdl.handle.net/2077/9840.

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Pattni, Sanjeev. "Mechanisms of idiopathic bile acid malabsorption and diarrhoea." Thesis, Imperial College London, 2013. http://hdl.handle.net/10044/1/11109.

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Bile acid malabsorption or diarrhea (BAM or BAD) is a syndrome of chronic watery diarrhoea diagnosed predominantly by a SeHCAT test and less commonly by measuring levels of 7-hydroxy-4-cholesten-3-one (C4) and furthermore responds to bile acid sequestrants (BAS). Primary bile acid diarrhoea (PBAD) is the condition with no definitive cause and is under diagnosed, often being labelled as IBS-diarrhoea with an associated burden of disease for patients. Recently an alternative mechanism for PBAD involving impaired Fibroblast Growth Factor (FGF19) production has been proposed. Aims: The primary aim
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Books on the topic "Acid and bile tolerance"

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1949-, Hinze Willie L., ed. Bile acid/salt surfactant systems. JAI Press, 2000.

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G, Paumgartner, Stiehl A, and Gerok W. 1926-, eds. Trends in bile acid research. Kluwer Academic Publishers, 1989.

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Keppler, D., A. Stiehl, U. Beuers, and M. Trauner, eds. Bile Acid Biology and Therapeutic Actions. Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-1-4020-9644-0.

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L, Barbara, and International Bile Acid Meeting (8th : 1984 : Bologna, Italy), eds. Recent advances in bile acid research. Raven Press, 1985.

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Paumgartner, G., D. Keppler, U. Leuschner, and A. Stiehl, eds. Bile Acid Biology and its Therapeutic Implications. Springer Netherlands, 2005. http://dx.doi.org/10.1007/1-4020-2913-6.

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Riadh, Jazrawi, Northfield Tim, and Zentler-Munro Patrick, eds. Bile acids in health and disease: Update on cholesterol gallstones and bile acid diarrhoea. Kluwer Academic, 1988.

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G, Paumgartner, and Falk Symposium (141 : 2004 Jun : Stockholm, Sweden), eds. Bile acid biology and its therapeutic implications: Proceedings of the Falk Symposium 141 (XVIII International Bile Acid Meeting) held in Stockholm, Sweden, June 18-19 2004. Springer, 2005.

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Ahmad, Tiara Rinjani. Investigations of 12α-Hydroxylated Bile Acid Signaling in Intestinal Organoids. [publisher not identified], 2019.

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Howell, Peter. The effect of urinary bile acid excretion on renal stone formation. University of Salford, 1994.

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Hossain, Mohammad Anwar, Sergi Munné-Bosch, David J. Burritt, Pedro Diaz-Vivancos, Masayuki Fujita, and Argelia Lorence, eds. Ascorbic Acid in Plant Growth, Development and Stress Tolerance. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-74057-7.

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Book chapters on the topic "Acid and bile tolerance"

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Jiang, Ya-Xin, Qing-Qing Dong, Ji-Ping Qu, et al. "Analysis on Acid, Bile, and Heat Tolerance of Probiotics Strains in Maca-Probiotics Granule." In Lecture Notes in Electrical Engineering. Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-4801-2_49.

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Stiehl, A. "Bile Acid Absorption." In Bile Acids in Health and Disease. Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-1249-6_18.

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Griglione, Nicole M., and Field F. Willingham. "Bile Acid Metabolism." In Sitaraman and Friedman's Essentials of Gastroenterology. John Wiley & Sons, Ltd, 2017. http://dx.doi.org/10.1002/9781119235170.ch20.

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Hertrampf, Joachim W., and Felicitas Piedad-Pascual. "Bile Acid Products." In Handbook on Ingredients for Aquaculture Feeds. Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-011-4018-8_4.

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Wedlake, Linda, and Jervoise Andreyev. "Bile Acid Malabsorption." In Textbook of Clinical Gastroenterology and Hepatology. Wiley-Blackwell, 2012. http://dx.doi.org/10.1002/9781118321386.ch43.

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Gumucio, Jorge J., William F. Balistreri, and Fred J. Suchy. "Bile Acid Metabolism." In Regulation of Hepatic Metabolism. Springer US, 1986. http://dx.doi.org/10.1007/978-1-4684-5041-5_15.

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Griglione, Nicole M., and Field F. Willingham. "Bile Acid Metabolism." In Essentials of Gastroenterology. Wiley-Blackwell, 2012. http://dx.doi.org/10.1002/9781119959762.ch20.

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Chiang, John Y. L. "Bile Acid Metabolism." In Molecular Pathology Library. Springer US, 2010. http://dx.doi.org/10.1007/978-1-4419-7107-4_12.

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Theisler, Charles. "Bile Acid Sequestrants." In Adjuvant Medical Care. CRC Press, 2022. http://dx.doi.org/10.1201/b22898-41.

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Chiang, J. Y. L., T. Li, B. Spalding-Yoder, and S. Del Signore. "Mechanisms of bile acid inhibition of bile acid synthesis." In Bile Acid Biology and its Therapeutic Implications. Springer Netherlands, 2005. http://dx.doi.org/10.1007/1-4020-2913-6_7.

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Conference papers on the topic "Acid and bile tolerance"

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Wu, Chia Hsuan, Liang Rui Chen, Wen-Ren Yang, Bo-Rui Xu, and Guan-Jhu Chen. "Enhancing Battery Performance with Active Balancing and Fault Tolerance in Lead-Acid Energy Storage Systems." In 2025 IEEE Industry Applications Society Annual Meeting (IAS). IEEE, 2025. https://doi.org/10.1109/ias62731.2025.11061541.

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Hamdi, Mohab, Amannie Kweik, Ahmad Almakrani, and Zahid Amjad. "Extending Phosphonates Performance in Simulated Cooling Waters." In CORROSION 2018. NACE International, 2018. https://doi.org/10.5006/c2018-11054.

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Abstract Organic phosphonates are a family of compounds widely used as mineral scale and corrosion inhibitors in a variety of applications in industrial processes. The phenomena of scale and corrosion inhibition has been studied extensively. This study reports the tolerance of phosphonates with hardness ions under a variety of test conditions (i.e., temperature, type and concentration of hardness ions, total dissolved solids, etc.). The phosphonates tested include: hydroxyphosphono acetic acid, HPA; aminotris(methylene phosphonic acid), AMP; 1-hydroxyethylidine 1,1-diphosphonic acid, HEDP; 2-p
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Chen, Xue, Hong Guan, and Han Liu. "Assessing the Acid and Bile Tolerance of Probiotic Cheese Fermentation Strains by the Method of Biological Engineering Technology." In 2015 Seventh International Conference on Measuring Technology and Mechatronics Automation (ICMTMA). IEEE, 2015. http://dx.doi.org/10.1109/icmtma.2015.58.

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Han Zhong Ke, Jing Ren, Xiao Lan Li, et al. "Artificial bile acid receptor in E.coli." In 2011 International Conference on Remote Sensing, Environment and Transportation Engineering (RSETE). IEEE, 2011. http://dx.doi.org/10.1109/rsete.2011.5964028.

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Meagley, Robert P., Geeta Sharma, and Ankur Guptab. "Scissionable bile acid nanostructures for lithography." In Advanced Lithography, edited by Michael J. Lercel. SPIE, 2007. http://dx.doi.org/10.1117/12.712355.

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Kumar, Aditi, Hafid Al-Hassi, Manushri Jain, et al. "P238 The use of a faecal bile acid test for diagnosing patients with bile acid diarrhoea." In Abstracts of the BSG Annual Meeting, 20–23 June 2022. BMJ Publishing Group Ltd and British Society of Gastroenterology, 2022. http://dx.doi.org/10.1136/gutjnl-2022-bsg.292.

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Kumar, Aditi, Niall Galbraith, Hafid Al-Hassi, et al. "P237 Treatment with bile acid sequestrants improves quality-of-life in specific patients with bile acid diarrhoea." In Abstracts of the BSG Annual Meeting, 20–23 June 2022. BMJ Publishing Group Ltd and British Society of Gastroenterology, 2022. http://dx.doi.org/10.1136/gutjnl-2022-bsg.291.

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DE SOUZA LIMA MICHELONE, LUCIANA, EVERARDO MAGALHAES CARNEIRO, VANESSA YUMI NAKANISHI, et al. "The bile acid TUDCA modulates insulin clearance." In XXIV Congresso de Iniciação Científica da UNICAMP - 2016. Galoa, 2016. http://dx.doi.org/10.19146/pibic-2016-51306.

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He, Sihui, Wenlang Liang, Colleen Tanner, Jiyu Fang, and Shin-Tson Wu. "Liquid crystal based biosensors for bile acid detection." In SPIE OPTO, edited by Liang-Chy Chien, Dick J. Broer, Vladimir Chigrinov, and Tae-Hoon Yoon. SPIE, 2013. http://dx.doi.org/10.1117/12.2004170.

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Alonso-Peña, M., A. Geier, and H. Hermanns. "Suppression of bile acid-CoA:amino acid N-acyltransferase gene expression by Oncostatin M." In 36. Jahrestagung der Deutschen Arbeitsgemeinschaft zum Studium der Leber. Georg Thieme Verlag KG, 2020. http://dx.doi.org/10.1055/s-0039-3402187.

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Reports on the topic "Acid and bile tolerance"

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yu, luyou, jinping yang, xi meng, and yanhua lin. Effectiveness of the gut microbiota-bile acid pathway (BAS) in the treatment of Type 2 diabetes: A protocol for systematic review and meta analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, 2022. http://dx.doi.org/10.37766/inplasy2022.7.0117.

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Review question / Objective: To systematically evaluate the efficacy of the intestinal microbiome - bile acid pathway (BAS) in the treatment of T2DM. Condition being studied: Bile acids (BAs), an important component of bile, are also metabolites derived from cholesterol and promote intestinal absorption and transportation of dietary lipids . Studies have shown that bile acid receptor agonists can promote glP-1 secretion and improve glucose metabolism in preclinical mouse models of obesity and insulin resistance , which may become a new therapeutic target for Type 2 diabetes. However, no system
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Lyutakov, Ivan, Radislav Nakov, Borislav Vladimirov, et al. Diagnostic Accuracy and Predictive Value of Serum Fibroblast Growth Factor 19 (FGF19) and Total Free Fecal Bile Acids as Biomarkers of Bile Acid Malabsorption in Patients with Chronic Diarrhea: a Pilot Study. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, 2020. http://dx.doi.org/10.7546/crabs.2020.12.16.

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Barg, Rivka, Kendal D. Hirschi, Avner Silber, Gozal Ben-Hayyim, Yechiam Salts, and Marla Binzel. Combining Elevated Levels of Membrane Fatty Acid Desaturation and Vacuolar H+ -pyrophosphatase Activity for Improved Drought Tolerance. United States Department of Agriculture, 2012. http://dx.doi.org/10.32747/2012.7613877.bard.

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Background to the topic: In previous works we have shown that Arabidopsis and tomato over-expressing H+-pyrophosphatase show increased tolerance to drought imposed by withholding irrigation of young plants in pots (Park et al. 2005). In addition, young tobacco plants over-expressing fatty acid desaturase 3 (OEX-FAD3) also showed increasing tolerance to drought stress (Zhang et al 2005), and similarly OEX-FAD3 young tomato plants (unpublished data from ARO), hence raising the possibility that pyramiding the two could further improve drought tolerance in tomato. Based on these findings the speci
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Sela, Shlomo, and Michael McClelland. Desiccation Tolerance in Salmonella and its Implications. United States Department of Agriculture, 2013. http://dx.doi.org/10.32747/2013.7594389.bard.

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Salmonella enterica is a worldwide food-borne pathogen, which regularly causes large outbreaks of food poisoning. Recent outbreaks linked to consumption of contaminated foods with low water-activity, have raised interest in understanding the factors that control fitness of this pathogen to dry environment. Consequently, the general objective of this study was to extend our knowledge on desiccation tolerance and long-term persistence of Salmonella. We discovered that dehydrated STm entered into a viable-but-nonculturable state, and that addition of chloramphenicol reduced bacterial survival. Th
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Shapira, Roni, Judith Grizzle, Nachman Paster, Mark Pines, and Chamindrani Mendis-Handagama. Novel Approach to Mycotoxin Detoxification in Farm Animals Using Probiotics Added to Feed Stuffs. United States Department of Agriculture, 2010. http://dx.doi.org/10.32747/2010.7592115.bard.

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T-2 toxin, a toxic product belongs to the trichothecene mycotoxins, attracts major interest because of its severe detrimental effects on the health of human and farm animals. The occurrence of trichothecenes contamination is global and they are very resistant to physical or chemical detoxification techniques. Trichothecenes are absorbed in the small intestine into the blood stream. The hypothesis of this project was to develop a protecting system using probiotic bacteria that will express trichothecene 3-O-acetyltransferase (Tri101) that convert T-2 to a less toxic intermediate to reduce inges
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Zhou, Ting, Roni Shapira, Peter Pauls, Nachman Paster, and Mark Pines. Biological Detoxification of the Mycotoxin Deoxynivalenol (DON) to Improve Safety of Animal Feed and Food. United States Department of Agriculture, 2010. http://dx.doi.org/10.32747/2010.7613885.bard.

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The trichothecene deoxynivalenol (DON, vomitoxin), one of the most common mycotoxin contaminants of grains, is produced by members of the Fusarium genus. DON poses a health risk to consumers and impairs livestock performance because it causes feed refusal, nausea, vomiting, diarrhea, hemolytic effects and cellular injury. The occurrence of trichothecenes contamination is global and they are very resistant to physical or chemical detoxification techniques. Trichothecenes are absorbed in the small intestine into the blood stream. The overall objective of this project was to develop a protecting
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Porat, Ron, Gregory T. McCollum, Amnon Lers, and Charles L. Guy. Identification and characterization of genes involved in the acquisition of chilling tolerance in citrus fruit. United States Department of Agriculture, 2007. http://dx.doi.org/10.32747/2007.7587727.bard.

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Citrus, like many other tropical and subtropical fruit are sensitive to chilling temperatures. However, application of a pre-storage temperature conditioning (CD) treatment at 16°C for 7 d or of a hot water brushing (HWB) treatment at 60°C for 20 sec remarkably enhances chilling tolerance and reduces the development of chilling injuries (CI) upon storage at 5°C. In the current research, we proposed to identify and characterize grapefruit genes that are induced by CD, and may contribute to the acquisition of fruit chilling tolerance, by two different molecular approaches: cDNA array analysis an
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Essa, Sadaf, та Sikandar shah. Foliar Application of Ascorbic Acid and α-Tocopherol Enhances Salinity Tolerance in Hordeum vulgare L. by Regulating Antioxidant Enzymatic Activity and Improving Physiological and Biochemical Responses. ResearchHub Technologies, Inc., 2025. https://doi.org/10.55277/researchhub.916ku9y9.1.

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Mosquna, Assaf, and Sean Cutler. Systematic analyses of the roles of Solanum Lycopersicum ABA receptors in environmental stress and development. United States Department of Agriculture, 2016. http://dx.doi.org/10.32747/2016.7604266.bard.

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Drought and other abiotic stresses have major negative effects on agricultural productivity. The plant hormone abscisic acid (ABA) regulates many responses to environmental stresses and can be used to improve crop performance under stress. ABA levels rise in response to diverse abiotic stresses to coordinate physiological and metabolic responses that help plants survive stressful environments. In all land plants, ABA receptors are responsible for initiating a signaling cascade that leads to stomata closure, growth arrest and large-scale changes in transcript levels required for stress toleranc
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Locy, Robert D., Hillel Fromm, Joe H. Cherry, and Narendra K. Singh. Regulation of Arabidopsis Glutamate Decarboxylase in Response to Heat Stress: Modulation of Enzyme Activity and Gene Expression. United States Department of Agriculture, 2001. http://dx.doi.org/10.32747/2001.7575288.bard.

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Most plants accumulate the nonprotein amino acid, g-aminobutyric acid (GABA), in response to heat stress. GABA is made from glutamate in a reaction catalyzed by glutamate decarboxylase (GAD), an enzyme that has been shown by the Israeli PI to be a calmodulin (CaM) binding protein whose activity is regulated in vitro by calcium and CaM. In Arabidopsis there are at least 5 GAD genes, two isoforms of GAD, GAD1 and GAD2, are known to be expressed, both of which appear to be calmodulin-binding proteins. The role of GABA accumulation in stress tolerance remains unclear, and thus the objectives of th
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