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Molecular basis for control of antibiotic production by a bacterial hormone
X-ray crystallography and cryo-electron microscopy structures of the transcriptional repressor of the methylomycin gene cluster, MmfR, reveal the molecular basis for regulation of antibiotic biosynthesis by AHFCA hormones in Actinobacteria.
- Shanshan Zhou
- , Hussain Bhukya
- & Christophe Corre
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Article |
Functionally uncoupled transcription–translation in Bacillus subtilis
In Bacillus subtilis, unlike in Escherichia coli, transcription and translation of genes are not tightly coupled, and pioneering ribosomes lag substantially behind RNA polymerases.
- Grace E. Johnson
- , Jean-Benoît Lalanne
- & Gene-Wei Li
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Dual RNA-seq unveils noncoding RNA functions in host–pathogen interactions
Using dual RNA-seq technology to profile RNA expression simultaneously in the bacterial pathogen Salmonella and its host during infection reveals molecular phenotypes of small noncoding RNAs in the infection process.
- Alexander J. Westermann
- , Konrad U. Förstner
- & Jörg Vogel
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Letter |
Co-directional replication–transcription conflicts lead to replication restart
As the rates of replication and transcription are different, the machineries that carry out these processes are bound to clash on DNA. In contrast to results from head-on collisions, co-directional encounters have been shown to have mild effects in vitro, requiring no additional replication restart factors. It is now shown that in bacterial cells, both types of events require the activities of restart proteins to resume replication when a transcription complex is encountered.
- Houra Merrikh
- , Cristina Machón
- & Panos Soultanas