نتایج جستجو برای: acid and bile tolerance

تعداد نتایج: 16961034  

Journal: :FEMS microbiology letters 2003
Máire Begley Colin Hill Cormac G M Gahan

A transposon Tn917 mutant of Listeria monocytogenes L028 was isolated on the basis of reduced growth on agar adjusted to pH 5.5. The disrupted gene, designated btlA (bile tolerance locus), encodes a putative secondary transporter of the major facilitator superfamily, which has significant homology to yxiO in Bacillus subtilis (lmo1417 in L. monocytogenes EGDe). The mutant demonstrated decreased...

2017
John Yl Chiang

Bile acids are derived from cholesterol to facilitate intestinal nutrient absorption and biliary secretion of cholesterol. Recent studies have identified bile acids as signaling molecules that activate nuclear farnesoid X receptor (FXR) and membrane G protein-coupled bile acid receptor-1 (Gpbar-1, also known as TGR5) to maintain metabolic homeostasis and protect liver and other tissues and cell...

Journal: :research in pharmaceutical sciences 0

glutamate has a key role in pain perception and also development of tolerance and dependence to morphine. it has been reported that clavulanic acid affects glutamatergic transmission via activation of glutamate transporter. therefore the present study was aimed to evaluate the possible antinociceptive effect of clavulanic acid and its preventive activity against development of morphine toleranc...

Journal: :Journal of lipid research 2000
G Xu B L Shneider S Shefer L B Nguyen A K Batta G S Tint M Arrese S Thevananther L Ma S Stengelin W Kramer D Greenblatt M Pcolinsky G Salen

We investigated the effect of ileal bile acid transport on the regulation of classic and alternative bile acid synthesis in cholesterol-fed rats and rabbits. Bile acid pool sizes, fecal bile acid outputs (synthesis rates), and the activities of cholesterol 7alpha-hydroxylase (classic bile acid synthesis) and cholesterol 27-hydroxylase (alternative bile acid synthesis) were related to ileal bile...

Journal: :International Journal of Food Properties 2022

In the present study, 30 lactic acid bacteria (LAB) strains were isolated from Anbaris, a traditional fermented dairy product manufactured in rural villages of Lebanon goat milk with distinct sharp taste, and identified as members Lactobacillus genus. Among these strains, twelve showed potential probiotic characteristics bile tolerance, angiotensin-converting enzyme (ACE) inhibitory activity, a...

Journal: :Gut 1974
H Y Mok P M Perry R H Dowling

In patients with cholesterol gallstones, there is a diminished bile acid pool and the bile becomes supersaturated with cholesterol. Medical treatment has been aimed at re-expanding the pool to improve cholesterol solubility in bile but as yet the factors controlling the size of the bile acid pool' are unknown. Therefore the role of the liver and intestine in controlling bile acid pool size in t...

Journal: :Journal of lipid research 1989
A K Batta R Arora G Salen G S Tint D Eskreis S Katz

We have studied the effect of ursodeoxycholic acid on the serum and urinary bile acids in seven patients with moderate to severe primary biliary cirrhosis. Bile acids were characterized by gas-liquid chromatography-mass spectrometry and quantified by capillary gas-liquid chromatography. Serum bile acids were elevated 26-fold over control values, with 2.2 times more cholic acid than chenodeoxych...

Journal: :The Journal of clinical investigation 1971
J E King L J Schoenfield

The mechanism of cholestasis (decreased bile flow) induced by taurolithocholate in the isolated perfused hamster liver was investigated. Taurocholate was infused to maintain bile acid output, and sulfobromophthalein (BSP) was administered to establish a BSP transport maximum in bile. The effects of taurolithocholate on bile flow and on the biliary secretion of BSP and bile acid anions were dete...

Journal: :jundishapur journal of microbiology 0
nafiseh davati department of food science and technology, ferdowsi university of mashhad, mashhad, ir iran farideh tabatabaee yazdi department of food science and technology, ferdowsi university of mashhad, mashhad, ir iran saeed zibaee department of veterinary research and biotechnology, razi vaccine and serum research institute, mashhad, ir iran; department of veterinary research and biotechnology, razi vaccine and serum research institute, mashhad, ir iran. tel: +98-9153045919, fax: +98-5118420430 fakhri shahidi department of food science and technology, ferdowsi university of mashhad, mashhad, ir iran mohammad reza edalatian department of food science and technology, ferdowsi university of mashhad, mashhad, ir iran

conclusions this study revealed the presence of bacteriocin-producing bacteria and probiotic bacteria in camel milk from the golestan province of iran. results a total of 64 isolates were analyzed based on biochemical tests and morphological characteristics. the most frequently isolated lab was enterococci. weissella, leuconostoc, lactobacilli and pediococci were less frequently found. based on...

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