A novel organization of the dissimilatory sulfite reductase operon of Thermodesulforhabdus norvegica verified by RT-PCR.
[No authors listed]
摘要
The nucleotide sequence of the gene cluster for the dissimilatory sulfite reductase (Dsr) from the Gram-negative thermophilic sulfate reducer Thermodesulforhabdus norvegica was determined. The Dsr-encoding genes (dsrAB) were found to be located in an operon encompassing four other open reading frames in the following order: dsrD-dsrA-dsrB-dsrN-dsrC-fdx. Localization of these six genes in the same operon supports previous suggestions that dsrD, -C and -N play essential roles in the mechanism for reduction of sulfite to sulfide. Transcriptional analysis showed that these genes constitute a contiguous transcriptional unit of at least 5 kb. The phylogeny of Dsr is discussed.
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基因功能
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原始数据
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文献解读
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