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Glial Metabolism of Isoleucine [PDF]
Neurochemical Research, 2008 Isoleucine, together with leucine and valine, constitutes the group of branched-chain amino acids (BCAAs). BCAAs are transported from the blood into the brain parenchyma, where they can serve several distinct functions. Since brain tissue is known to oxidatively metabolize BCAAs to CO(2), they are considered as fuel material in brain energy metabolism.
Radovan Murín +3 more
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Metabolic engineering of Corynebacterium glutamicum WM001 to improve l‐isoleucine production
Biotechnology and applied biochemistry, 2020In this study, l‐isoleucine production in Corynebacterium glutamicum WM001 was improved by deleting three genes in the genome, replacing the native promoter of ilvA in the genome, and overexpression of five genes in an alr‐based auxotrophic ...
Yanchao Zhang +6 more
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Isoleucine plays an important role for maintaining immune function.
Current protein and peptide science, 2019Branched chain amino acids are the essential nutrients for humans and many animals. As functional amino acids,they play important roles in physiological functions, including immune functions.
Changsong Gu +4 more
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Isoleucine production in bifidobacteria [PDF]
European Journal Of Applied Microbiology, 1976 About 300 strains of bifidobacteria were examined for their capacity to release L-isoleucine in the fermentation broth. A strain of the speciesBifidobacterium ruminale was selected as the best producer. After treatment of this strain with NTG a DL-α-aminobutyric acid-resistant mutant capable of producing about 5 mg/ml of L-isoleucine in presence of 1.5
Diego Matteuzzi +4 more
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Inhibition of Escherichia coli isoleucine biosynthesis by isoleucine tetrazole
Journal of Bacteriology, 1975Growth of a derivative of Escherichia coli K-10 was strongly inhibited by 2 times 10(-4) M L-5(1-amino-2-methylbutyl)-tetrazole (isoleucine tetrazole). Growth inhibition was reversed by isoleucine, threonine, glycyl-L-isoleucine, or glycyl-L-threonine, and, in a valine-resistant mutant, by L-valine.
H Tristram, G A Willshaw
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Biological availability of isoleucine
Archives of Biochemistry and Biophysics, 1957Abstract Biological availability of isoleucine in eight different proteins was determined using a blood meal diet low in isoleucine. Isoleucine in zein was available to the extent of 30%; in casein and gelatin, around 60–70%; and in fibrin, beef, egg albumin, and Drackett, over 90% of the isoleucine was available to the rat.
A. E. Harper +3 more
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Isoleucine and Allo-isoleucine
Nature, 1958DURING our investigations on amino-acid analysis on ion exchange resins using Moore and Stein's method1, it was seen that in a synthetic mixture of 13 amino-acids (Hoffmann-LaRoche, mostly in the l-configuration) the ‘methionine’ recovery was always too high (120–150 per cent of the theoretical amount) and the ‘isoleucine’ recovery always too low (65 ...
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British Poultry Science, 1992
1. Three experiments were designed to determine the response of broiler chickens to dietary isoleucine, and to quantify the antagonistic effects of excess leucine and valine on this response. 2. A dilution technique was used to measure the responses in growth rate and food intake to a range of diets differing in their isoleucine concentrations.
D. Burnham, R. M. Gous, G. C. Emmans
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1. Three experiments were designed to determine the response of broiler chickens to dietary isoleucine, and to quantify the antagonistic effects of excess leucine and valine on this response. 2. A dilution technique was used to measure the responses in growth rate and food intake to a range of diets differing in their isoleucine concentrations.
D. Burnham, R. M. Gous, G. C. Emmans
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Isoleucine stereoisomers on the Earth [PDF]
Nature, 1986 The amino acid L-isoleucine (L-Ile) undergoes epimerization at the α-carbon producing D-allo-isoleucine (D-aIle), an amino acid not generally found in living organisms. In fossils and oceanic sediments, this reaction has a half-life, that is, the time required to reach D-aIle/L-Ile ∼0.4, of 105–107 yr (ref. 1).
Spencer Steinberg +3 more
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Deciphering the Biosynthetic Origin of L-allo-Isoleucine.
Journal of the American Chemical Society, 2016The nonproteinogenic amino acid L-allo-isoleucine (L-allo-Ile) is featured in an assortment of life forms comprised of, but not limited to, bacteria, fungi, plants and mammalian systems including Homo sapiens.
Qinglian Li +6 more
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