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Spatiotemporal Organization of the E coli Transcriptome: Translation Independence and Engagement in Regulation

Mol Cell.. 2019; 
Kannaiah S1, Livny J2, Amster-Choder O3.
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Recombinant Proteins The membrane was probed with a-BglF (Lab stock), a-GFP (Thermo Fischer Scientific), a-Flag (GenScript), a-GroEL (Abcam) and a-mCherry (Abcam) for the detection of BglF, GAPDH-GFP, Hfq-Flag, GroEL and mCherry-tagged proteins, respectively. Get A Quote

摘要

RNA localization in eukaryotes is a mechanism to regulate transcripts fate. Conversely, bacterial transcripts were not assumed to be specifically localized. We previously demonstrated that E. coli mRNAs may localize to where their products localize in a translation-independent manner, thus challenging the transcription-translation coupling extent. However, the scope of RNA localization in bacteria remained unknown. Here, we report the distribution of the E. coli transcriptome between the membrane, cytoplasm, and poles by combining cell fractionation with deep-sequencing (Rloc-seq). Our results reveal asymmetric RNA distribution on a transcriptome-wide scale, significantly correlating with proteome localizatio... More

关键词

E. coli; RNA localization; RNA sequencing; bacteria; cell fractionation; live-cell microscopy; small RNAs; spatial organization
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