QscR regulates expression of the formate dehydrogenase genes in Methylobacterium extorquens AM1 (946.9)
نویسندگان
چکیده
منابع مشابه
QscR-mediated transcriptional activation of serine cycle genes in Methylobacterium extorquens AM1.
QscR, a LysR-type regulator, is the major regulator of assimilatory C1 metabolism in Methylobacterium extorquens AM1. It has been shown to interact with the promoters of the two operons that encode the majority of the serine cycle enzymes (sga-hpr-mtdA-fch for the qsc1 operon and mtkA-mtkB-ppc-mclA for the qsc2 operon), as well as with the promoter of glyA and its own promoter. To obtain furthe...
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The nucleotide and deduced amino acid sequence of a novel small (beta) subunit of methanol dehydrogenase of Methylobacterium extorquens AM1 (previously Pseudomonas AM1) has been determined. Work with the whole protein has shown that is has an alpha 2 beta 2 configuration.
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An NADP-dependent methylene tetrahydromethanopterin (H4MPT) dehydrogenase has recently been proposed to be involved in formaldehyde oxidation to CO2 in Methylobacterium extorquens AM1. We report here on the purification of this novel enzyme to apparent homogeneity. Via the N-terminal amino acid sequence, it was identified to be the mtdA gene product. The purified enzyme catalyzed the dehydrogen...
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An isolated 5.2-kb fragment of Methylobacterium extorquens AM1 DNA was found to contain a gene cluster involved in methylamine utilization. Analysis of polypeptides synthesized in an Escherichia coli T7 expression system showed that five genes were present. Two of the genes encoded the large and small subunits of methylamine dehydrogenase, and a third encoded amicyanin, the presumed electron ac...
متن کاملMultiple formate dehydrogenase enzymes in the facultative methylotroph Methylobacterium extorquens AM1 are dispensable for growth on methanol.
Formate dehydrogenase has traditionally been assumed to play an essential role in energy generation during growth on C(1) compounds. However, this assumption has not yet been experimentally tested in methylotrophic bacteria. In this study, a whole-genome analysis approach was used to identify three different formate dehydrogenase systems in the facultative methylotroph Methylobacterium extorque...
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ژورنال
عنوان ژورنال: The FASEB Journal
سال: 2014
ISSN: 0892-6638,1530-6860
DOI: 10.1096/fasebj.28.1_supplement.946.9