Abortive initiation

DNA scrunching mechanism. During initial transcription, RNA polymerase (RNAP) remains stationary on the promoter and unwinds and reels in downstream DNA.

Abortive initiation, also known as abortive transcription, is an early process of genetic transcription in which RNA polymerase binds to a DNA promoter and enters into cycles of synthesis of short mRNA transcripts which are released before the transcription complex leaves the promoter. This process occurs in both eukaryotes and prokaryotes. Abortive initiation is typically studied in the T3 and T7 RNA polymerases in bacteriophages, and in E. coli.

单词	Abortive transcription
释义	Abortive transcription 英语百科 Abortive initiation Abortive initiation, also known as abortive transcription, is an early process of genetic transcription in which RNA polymerase binds to a DNA promoter and enters into cycles of synthesis of short mRNA transcripts which are released before the transcription complex leaves the promoter. This process occurs in both eukaryotes and prokaryotes. Abortive initiation is typically studied in the T3 and T7 RNA polymerases in bacteriophages, and in E. coli.
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Abortive transcription

Abortive initiation