The emergence of phase separation as an organizing principle in bacteria

CA Azaldegui, AG Vecchiarelli, JS Biteen - Biophysical journal, 2021 - cell.com
Recent investigations in bacteria suggest that membraneless organelles play a crucial role
in the subcellular organization of bacterial cells. However, the biochemical functions and …

Coupled transcription-translation in prokaryotes: an old couple with new surprises

M Irastortza-Olaziregi, O Amster-Choder - Frontiers in Microbiology, 2021 - frontiersin.org
Coupled transcription-translation (CTT) is a hallmark of prokaryotic gene expression. CTT
occurs when ribosomes associate with and initiate translation of mRNAs whose transcription …

Clusters of bacterial RNA polymerase are biomolecular condensates that assemble through liquid–liquid phase separation

AM Ladouceur, BS Parmar… - Proceedings of the …, 2020 - National Acad Sciences
Once described as mere “bags of enzymes,” bacterial cells are in fact highly organized, with
many macromolecules exhibiting nonuniform localization patterns. Yet the physical and …

Transcription-induced domains form the elementary constraining building blocks of bacterial chromosomes

A Bignaud, C Cockram, C Borde, J Groseille… - Nature Structural & …, 2024 - nature.com
Transcription generates local topological and mechanical constraints on the DNA fiber,
leading to the generation of supercoiled chromosome domains in bacteria. However, the …

Making the case for disordered proteins and biomolecular condensates in bacteria

MC Cohan, RV Pappu - Trends in Biochemical Sciences, 2020 - cell.com
Intrinsically disordered proteins/regions (IDPs/IDRs) contribute to a diverse array of
molecular functions in eukaryotic systems. There is also growing recognition that …

Liquid-liquid phase separation: Unraveling the enigma of biomolecular condensates in microbial cells

Z Gao, W Zhang, R Chang, S Zhang, G Yang… - Frontiers in …, 2021 - frontiersin.org
Numerous examples of microbial phase-separated biomolecular condensates have now
been identified following advances in fluorescence imaging and single molecule microscopy …

Compartmentalization of RNA degradosomes in bacteria controls accessibility to substrates and ensures concerted degradation of mRNA to nucleotides

AJ Carpousis, N Campo, L Hadjeras… - Annual Review of …, 2022 - annualreviews.org
RNA degradosomes are multienzyme complexes composed of ribonucleases, RNA
helicases, and metabolic enzymes. RNase E–based degradosomes are widespread in …

Roles of liquid–liquid phase separation in bacterial RNA metabolism

V Nandana, JM Schrader - Current opinion in microbiology, 2021 - Elsevier
Highlights•Biomolecular condensates act as membraneless organelles that assemble via
liquid–liquid phase-separation.•Bacterial transcription and mRNA decay machinery were …

Bacterial vivisection: how fluorescence-based imaging techniques shed a light on the inner workings of bacteria

A Cambré, A Aertsen - Microbiology and Molecular Biology …, 2020 - Am Soc Microbiol
The rise in fluorescence-based imaging techniques over the past 3 decades has improved
the ability of researchers to scrutinize live cell biology at increased spatial and temporal …

RNA localization in prokaryotes: where, when, how, and why

M Irastortza‐Olaziregi… - Wiley Interdisciplinary …, 2021 - Wiley Online Library
Only recently has it been recognized that the transcriptome of bacteria and archaea can be
spatiotemporally regulated. All types of prokaryotic transcripts—rRNAs, tRNAs, mRNAs, and …