نتایج جستجو برای: sucrose 6 acetate

تعداد نتایج: 1018764  

2016
Tao Wei Shen Huang Jie Zang Chunxiao Jia David D. Boehr

A 1521 bp gene encoding for a novel fructosyltransferase from Aspergillus oryzae ZZ-01 (AoFT) has been amplified by RACE and TAIL PCR, and functionally overexpressed in Escherichia coli BL 21-CodonPlus (DE3)-RIL. The recombinant A. oryzae ZZ-01 fructosyltransferases (r-AoFT) was purified to homogeneity after Ni-NTA affinity and Superdex-200 gel filtration chromatography. SDS-PAGE analysis of th...

Journal: :Chemical senses 2016
Liang-Dar Hwang Paul A S Breslin Danielle R Reed Gu Zhu Nicholas G Martin Margaret J Wright

Perceived intensities of sweetness and bitterness are correlated with one another and each is influenced by genetics. The extent to which these correlations share common genetic variation, however, remains unclear. In a mainly adolescent sample (n = 1901, mean age 16.2 years), including 243 monozygotic (MZ) and 452 dizygotic (DZ) twin pairs, we estimated the covariance among the perceived inten...

Journal: :Journal of bacteriology 1982
K Schmid M Schupfner R Schmitt

The conjugative plasmid pUR400 determines tetracycline resistance and enables cells of Escherichia coli K-12 to utilize sucrose as the sole carbon source. Three types of mutants affecting sucrose metabolism were derived from pUR400. One type lacked a specific transport system (srcA); another lacked sucrose-6-phosphate hydrolase (scrB); and the third, a regulatory mutant, expressed both of these...

Journal: :The Journal of antibiotics 1972
H Yamamoto M Yagisawa H Naganawa S Kondo T Takeuchi

The enzyme solution (S-100) was prepared by the procedure described in a previous paper.l) The inactivation was carried out at 37°C for 3 hours in the following reaction mixture : 100 mg (0.2 mmoles) of kanamycin or 91mg (0.2mmoles) of ribostamycin in 25ml of water, 4,842mg (8.0mmoles) of disodium ATP trihydrate in 100 ml of 0.8 % sodium bicarbonate, 25 mg (0.03 mmoles) of coenzyme A in 50ml of...

2011
P. K. Migwi I. Godwin J. V. Nolan

Inadequate supply of glucose or glucogenic substrates to the body tissues can affect metabolism of absorbed acetogenic metabolites from the gut and therefore, influence feed intake in ruminants. This study investigated the effect of energy supplementation on rumen kinetics in the gut, and the acetate clearance rate in the body tissues of sheep fed low quality basal roughage. A basal diet consis...

2015
Jian Wang Bing Wen Qingyang Xu Xixian Xie Ning Chen

Fed-batch cultivations of L-isoleucine-producing Escherichia coli TRFP (SGr, α-ABAr, with a pTHR101 plasmid containing a thr operon and ilvA) were carried out on different carbon sources: glucose, sucrose, fructose, maltose and glycerol. The results indicated that sucrose was the best initial carbon source for L-isoleucine production and then sucrose concentration of 30 g·L-1 was determined in ...

Journal: :Revista Virtual de Química 2012

Journal: :Journal of bacteriology 1968
R B Flavell J R Fincham

Sixty mutants of Neurospora crassa unable to grow on acetate as sole source of carbon, but able to utilize sucrose, were isolated. On the basis of complementation tests, they were divided into seven groups, each group representing a different gene. Six of the genes have been mapped; no two are closely linked. These loci have been designated acu-1 to acu-7. Mutations at four of these loci result...

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