Studying transcription initiation by RNA polymerase with diffusion-based single-molecule fluorescence

Yazan Alhadid, Sang Yoon Chung, Eitan Lerner, Dylan J. Taatjes, Sergei Borukhov, Shimon Weiss

Research output: Contribution to journalReview articlepeer-review

7 Scopus citations


Over the past decade, fluorescence-based single-molecule studies significantly contributed to characterizing the mechanism of RNA polymerase at different steps in transcription, especially in transcription initiation. Transcription by bacterial DNA-dependent RNA polymerase is a multistep process that uses genomic DNA to synthesize complementary RNA molecules. Transcription initiation is a highly regulated step in E. coli, but it has been challenging to study its mechanism because of its stochasticity and complexity. In this review, we describe how single-molecule approaches have contributed to our understanding of transcription and have uncovered mechanistic details that were not observed in conventional assays because of ensemble averaging.

Original languageEnglish (US)
Pages (from-to)1278-1290
Number of pages13
JournalProtein Science
Issue number7
StatePublished - Jul 1 2017

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Molecular Biology


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