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Academic literature on the topic 'Lactobacillus rhamnosus Exopolysaccharides microbiens'
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Journal articles on the topic "Lactobacillus rhamnosus Exopolysaccharides microbiens"
Shao, Li, Zhengjun Wu, Hao Zhang, Wei Chen, Lianzhong Ai, and Benheng Guo. "Partial characterization and immunostimulatory activity of exopolysaccharides from Lactobacillus rhamnosus KF5." Carbohydrate Polymers 107 (July 2014): 51–56. http://dx.doi.org/10.1016/j.carbpol.2014.02.037.
Full textOleksy-Sobczak, Magdalena, Elżbieta Klewicka, and Lidia Piekarska-Radzik. "Exopolysaccharides production by Lactobacillus rhamnosus strains – Optimization of synthesis and extraction conditions." LWT 122 (March 2020): 109055. http://dx.doi.org/10.1016/j.lwt.2020.109055.
Full textPolak-Berecka, Magdalena, Adam Choma, Adam Waśko, Sabina Górska, Andrzej Gamian, and Justyna Cybulska. "Physicochemical characterization of exopolysaccharides produced by Lactobacillus rhamnosus on various carbon sources." Carbohydrate Polymers 117 (March 2015): 501–9. http://dx.doi.org/10.1016/j.carbpol.2014.10.006.
Full textKONIECZNA, CORINNA, MICHAŁ SŁODZIŃSKI, and MARCIN T. SCHMIDT. "Exopolysaccharides Produced by Lactobacillus rhamnosus KL 53A and Lactobacillus casei Fyos Affect Their Adhesion to Enterocytes." Polish Journal of Microbiology 67, no. 3 (2018): 273–81. http://dx.doi.org/10.21307/pjm-2018-032.
Full textPOLAK-BERECKA, MAGDALENA, ADAM WAŚKO, DOMINIK SZWAJGIER, and ADAM CHOMA. "Bifidogenic and Antioxidant Activity of Exopolysaccharides Produced by Lactobacillus rhamnosus E/N Cultivated on Different Carbon Sources." Polish Journal of Microbiology 62, no. 2 (2013): 181–88. http://dx.doi.org/10.33073/pjm-2013-023.
Full textMondragón-Bernal, Olga, Juliana Horita, Fatima Costa, and Francisco Maugeri. "Lactobacillus rhamnosus exopolysaccharides (EPS) production and growth in soybeans water extract synbiotic beverage." Journal of Biotechnology 131, no. 2 (September 2007): S180—S181. http://dx.doi.org/10.1016/j.jbiotec.2007.07.918.
Full textLebeer, Sarah, Ingmar J. J. Claes, Tine L. A. Verhoeven, Chong Shen, Ivo Lambrichts, Jan L. Ceuppens, Jos Vanderleyden, and Sigrid C. J. De Keersmaecker. "Impact of luxS and Suppressor Mutations on the Gastrointestinal Transit of Lactobacillus rhamnosus GG." Applied and Environmental Microbiology 74, no. 15 (June 6, 2008): 4711–18. http://dx.doi.org/10.1128/aem.00133-08.
Full textHu, Shu-Min, Jia-Min Zhou, Qing-Qing Zhou, Ping Li, Yuan-Yuan Xie, Tao Zhou, and Qing Gu. "Purification, characterization and biological activities of exopolysaccharides from Lactobacillus rhamnosus ZFM231 isolated from milk." LWT 147 (July 2021): 111561. http://dx.doi.org/10.1016/j.lwt.2021.111561.
Full textPOLAK-BERECKA, MAGDALENA, ADAM WAŚKO, and AGNIESZKA KUBIK-KOMAR. "Optimization of Culture Conditions for Exopolysaccharide Production by a Probiotic Strain of Lactobacillus rhamnosus E/N." Polish Journal of Microbiology 63, no. 2 (2014): 253–57. http://dx.doi.org/10.33073/pjm-2014-034.
Full textOleksy-Sobczak, Magdalena, and Elżbieta Klewicka. "Optimization of Media Composition to Maximize the Yield of Exopolysaccharides Production by Lactobacillus rhamnosus Strains." Probiotics and Antimicrobial Proteins 12, no. 2 (August 13, 2019): 774–83. http://dx.doi.org/10.1007/s12602-019-09581-2.
Full textDissertations / Theses on the topic "Lactobacillus rhamnosus Exopolysaccharides microbiens"
Martínez, González José Luis. "Utilisation de la coculture de Lactobacillus rhamnosus RW9595M et Lactobacillus rhamnosus R, pour moduler le poids moléculaire de leurs exopolysaccharides produits." Master's thesis, Université Laval, 2008. http://hdl.handle.net/20.500.11794/21139.
Full textRioux, Rachel. "Étude de l'expression différentielle des gènes impliqués dans la production d'exopolusaccharides chez quatre souches de Lactobacillus rhamnosus." Master's thesis, Université Laval, 2009. http://hdl.handle.net/20.500.11794/20862.
Full textKang, Hye-Ji. "Étude de l'impact de la phosphorylation de la co-polymérase sur l'interaction entre les protéines du complexe de polymérisation des exopolysaccharides chez Lactobacillus rhamnosus." Thesis, Université Laval, 2014. http://www.theses.ulaval.ca/2014/30589/30589.pdf.
Full textLactobacillus rhamnosus RW-9595M and ATCC 9595 have 99 % identical 17 open reading frames (ORFs) identified as putative genes coding for EPS biosynthesis and both strains produce very different EPS amounts: 543 mg l-1 (RW-9595M) and 108 mg l-1 (ATCC 9595). Reversible phosphorylation has been proposed as a mechanism to regulate the polymerization of EPS in lactic acid bacteria and three proteins, tyrosine kinase, tyrosine phosphatase and co-polymerase are proposed to be responsible for this regulation. The aim of this project was to demonstrate the impact of the phosphorylation of these proteins, especially the co-polymerase (Wzd), on the protein complex for EPS polymerization in L. rhamnosus. To test the effect of phosphorylation on their interactions, Wzd and Wze were expressed in L. lactis subsp. cremoris and E. coli. In L. lactis subsp. cremoris, the presence of certain combinations of genes can be associated with EPS production yields. In E. coli, gene expression can be controled and the proteins purified in order to study their interactions and phosphorylation state in vitro. Lactococcus lactis subsp. cremoris MG1363, a non EPS-producing strain, was transformed with two recombinant plasmids coding for the genes required for EPS synthesis. These transformants with operons from either RW-9595M or ATCC 9595 produce 326 and 302 mg l-1 respectively, with lower yields than RW-9595M. The proteins encoded by wzd and wze are respectively the co-polymerase and the kinase which theoretically participate in determining the chain length of the EPS. These two proteins do not autophosphorylate when they are alone, but together form a complex. The non-phosphorylated complex of two proteins allows the phosphorylation of Wzd by Wze, in the presence of ATP. This phosphorylation destabilizes the protein interaction with Wze. The transient interaction with phosphorylated Wzd leads to autophosphorylation of Wze in the presence of ATP. In addition, the activity of Wzd is modulated by tyrosine phosphorylation allowing autophosphorylation of Wze. Thus, the phosphorylation of Wzd may be an additional step of reversible phosphorylation for polymerization of EPS. This study may help advance our understanding of the relationship between the characteristics and biological functions of these polymers.
GAMAR, NOURANI LYNDA. "Les exopolysaccharides de lactobacillus rhamnosus : approche physiologique et analyse structurale." Paris 11, 1998. http://www.theses.fr/1998PA112321.
Full textMartinez, Gonzalez Jose Luis. "Utilisation de la coculture de Lactobacillus rhamnosus RW-9595M et Lactobacillus rhamnosus R, pour moduler le poids moléculaire de leurs exopolysaccharides produits." Thesis, Université Laval, 2008. http://www.theses.ulaval.ca/2008/25669/25669.pdf.
Full textRochon, Marie-Hélène. "Isolement et caractérisation des gènes encodant les protéines responsables de la biosynthèse de exopolysaccharides chez Lactobacillus rhamnosus ATCC 9595M." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape10/PQDD_0015/MQ42002.pdf.
Full textRioux, Rachel. "Étude de l'expression différentielle des gènes impliqués dans la production d'exopolusaccharides chez quatre souches de Lactobacillus rhamnosus /." 2009. http://www.theses.ulaval.ca/2009/26278/26278%5FA1b.pdf.
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