Neumann, Anke published the artcilePhenyl methyl ethers: novel electron donors for respiratory growth of Desulfitobacterium hafniense and Desulfitobacterium sp. strain PCE-S, Name: 3-Chloro-4-hydroxyphenylacetic acid, the publication is Archives of Microbiology (2004), 181(3), 245-249, database is CAplus and MEDLINE.
Desulfitobacterium hafniense and Desulfitobacterium sp. strain PCE-S grew under anoxic conditions with a variety of Ph Me ethers as electron donors in combination with fumarate as electron acceptor. The Ph Me ethers were O-demethylated to the corresponding phenol compounds O-demethylation was strictly dependent on the presence of fumarate; no O-demethylation occurred with CO2 as electron acceptor. One mol Ph Me ether R-O-CH3 was O-demethylated to R-OH per 3 mol fumarate reduced to succinate. The growth yields with vanillate or syringate plus fumarate were approx. 15 g cells (dry weight) per mol Me moiety converted. D. hafniense utilized vanillate or syringate as an electron donor for reductive dehalogenation of 3-Cl-4-hydroxyphenylacetate, whereas strain PCE-S was not able to dechlorinate tetrachloroethene with Ph Me ethers. Crude extracts of both organisms showed O-demethylase activity in the O-demethylase assay with vanillate or syringate as substrates when the organism was grown on syringate plus fumarate. Besides the homoacetogenic bacteria, only growing cells of Desulfitobacterium frappieri PCP-1 have thus far been reported to be capable of Ph Me ether O-demethylation. This present study is the first report of Desulfitobacteria utilizing Ph Me ethers as electron donors for fumarate reduction and for growth.
Archives of Microbiology published new progress about 33697-81-3. 33697-81-3 belongs to chlorides-buliding-blocks, auxiliary class Chloride,Carboxylic acid,Benzene,Phenol, name is 3-Chloro-4-hydroxyphenylacetic acid, and the molecular formula is C8H7ClO3, Name: 3-Chloro-4-hydroxyphenylacetic acid.
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