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Updated: Jul 20, 2025

A Fluorescence-based Method to Study Bacterial Gene Regulation in Infected Tissues
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A Fluorescence-based Method to Study Bacterial Gene Regulation in Infected Tissues

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细菌-真菌相互作用促进全球转录调节者的并行进化,在广泛分布的葡萄球菌种中

Casey M Cosetta1, Brittany Niccum1, Nick Kamkari1

  • 1Department of Biology, Tufts University, Medford, MA, 02155, USA.

The ISME journal
|July 31, 2023
PubMed
概括

微生物进化是由物种相互作用塑造的. 在奶酪皮社区中,酵母Debaryomyces hansenii显著促进了Staphylococcus xylosus的进化,推动了多样化和独特的突变.

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Global Regulatory Systems

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Coordination of Gene Expression Processes in Bacteria01:29

Coordination of Gene Expression Processes in Bacteria

The DNA replication, transcription, and translation processes are intricately coupled in bacteria, allowing efficient gene expression and rapid protein synthesis. While this physical and functional coordination is advantageous, it introduces challenges that bacteria overcome through specific regulatory mechanisms.Coupling of Replication, Transcription, and TranslationThe coupling of replication, transcription, and translation is a hallmark of bacterial gene expression. As the replisome unwinds...
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Transcription Attenuation in Prokaryotes

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Translational Regulation

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Gene Regulation in Microbial Communities: Quorum Sensing

Quorum sensing is a mechanism of bacterial communication that enables coordinated gene expression in response to changes in population density. This facilitates collective behaviors that enhance survival, resource acquisition, and ecological adaptation. This process relies on small signaling molecules called autoinducers that accumulate as bacterial populations grow. When a critical threshold concentration of autoinducers is reached, bacterial cells collectively modify gene expression,...
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Bacterial Transcription01:53

Bacterial Transcription

RNA polymerase (RNAP) carries out DNA-dependent RNA synthesis in both bacteria and eukaryotes. Bacteria do not have a membrane-bound nucleus. So, transcription and translation occur simultaneously, on the same DNA template.
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