نتایج جستجو برای: muconic acid
تعداد نتایج: 747452 فیلتر نتایج به سال:
The range of aromatic compounds that support the growth of Alcaligenes eutrophus has been determined, and the pathways used for the dissimilation of these substrates have been explored, largely by enzymatic analyses. The beta-ketoadipate pathway operates in the dissimilation of benzoate and p-hydroxybenzoate; the genetisate pathway, in the dissimilation of m-hydroxybenzoate; and the meta cleava...
BACKGROUND This study intended to investigate whether residence in areas polluted by heavy industry, waste incineration, a high density of traffic and housing or intensive use of pesticides, could contribute to the high incidence of cancer observed in Flanders. METHODS Subjects were 1583 residents aged 50-65 from 9 areas with different types of pollution. Cadmium, lead, p,p'-DDE, hexachlorobe...
Bridgehead lithiations have successfully been carried out on substrates derived from catechinic acid, which possess the core bicyclo[3.3.1]nonane-1,3,5-trione structure present in garsubellin A. Using an external quench method, various electrophiles have been incorporated at the C-5 bridgehead position in a one-step process that appears to be sensitive to the substitution pattern on the bicycli...
Kotake and Nakayama (1) observed the conversion of kynurenine to anthranilic acid and alanine by a mammalian liver extract. Subsequently the enzyme responsible for this reaction in the mammal was partly purified (2,3) and the enzyme, prepared from vitamin Be-deficient animals, was shown to require pyridoxal phosphate for its maximal activity (2). During an investigation of tryptophan metabolism...
The most prominent aromatic feedstock on Earth is lignin, however, lignin valorization still an underrated subject. principal preparatory strategies for are fragmentation and depolymerization which help in the production of fuels chemicals. Owing to lignin’s structural heterogeneity, these result product generation requires tedious separation purification extract target products. bacterial genu...
Abstract The C4 unsaturated compound 1,3-butadiene is an important monomer in synthetic rubber and engineering plastic production. However, microorganisms cannot directly produce when glucose used as a renewable carbon source via biological processes. In this study, we construct artificial metabolic pathway for production from Escherichia coli by combining the cis,cis -muconic acid ( cc MA)-pro...
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