鱼腥藻属PCC 7120菌株ntcA基因的转录：多种转录本及NtcA结合
Transcription of the Anabaena sp. strain PCC 7120 ntcA gene: multiple transcripts and NtcA binding.
作者信息
Ramasubramanian T S, Wei T F, Oldham A K, Golden J W
机构信息
Department of Biology, Texas A&M University, College Station 77843-3258, USA.
出版信息
J Bacteriol. 1996 Feb;178(3):922-6. doi: 10.1128/jb.178.3.922-926.1996.
Abstract
The Anabaena sp. strain PCC 7120 ntcA gene showed multiple transcripts with different 5' ends. The relative abundance of transcripts varied in response to nitrogen availability. The ntcA product, NtcA, showed binding to the promoter region of its own gene. The binding site mapped to a region between the transcription start site used under nitrogen-replete conditions and the start sites used under nitrogen-limiting conditions, suggesting that NtcA regulates its own expression.
摘要
鱼腥藻属PCC 7120菌株的ntcA基因显示出具有不同5'末端的多个转录本。转录本的相对丰度随氮供应情况而变化。ntcA产物NtcA显示出与自身基因的启动子区域结合。结合位点定位于氮充足条件下使用的转录起始位点和氮限制条件下使用的起始位点之间的区域，这表明NtcA调节其自身的表达。
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本文引用的文献
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Anabaena sp. strain PCC 7120 bifA gene encoding a sequence-specific DNA-binding protein cloned by in vivo transcriptional interference selection.鱼腥藻属PCC 7120菌株的bifA基因，该基因编码一种通过体内转录干扰选择克隆的序列特异性DNA结合蛋白。
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