:

Michael Levine1, Claudia Cattoglio2, Robert Tjian2

  • 1Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94707, USA.

Cell
|April 1, 2014
PubMed
まとめ

生物の複雑性は,遺伝子数ではなく,遺伝子調節から生じる. 人間のゲノムは,細胞のアイデンティティを定義するために,遺伝子プロモーターとダイナミックに通信する多数の強化剤を持っています.

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Transcription is the synthesis of RNA from a DNA sequence by RNA polymerase. It is the first step in producing a protein from a gene sequence. Additionally, many other proteins and regulatory sequences are involved in correctly synthesizing messenger RNA (mRNA). Transcriptional regulation is responsible for the differentiation of different types of cells and often for the proper cellular response to environmental signals.
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Transcription is the process of synthesizing RNA from a DNA sequence by RNA polymerase. It is the first step in producing a protein from a gene sequence. Additionally, many other proteins and regulatory sequences are involved in the proper synthesis of messenger RNA (mRNA). Regulation of transcription is responsible for the differentiation of all the different types of cells and often for the proper cellular response to environmental signals.
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Initiation is the first step of transcription in eukaryotes. Prokaryotic RNA Polymerase (RNAP) can bind to the template DNA and start transcribing. On the other hand, transcription in eukaryotes requires additional proteins, called transcription factors, to first bind to the promoter region in the DNA template. This binding helps recruit the specific RNAP that can assemble on the DNA and start transcription.
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