Macromolecular crowding, phase separation, and homeostasis in the orchestration of bacterial cellular functions

B Monterroso, W Margolin, AJ Boersma, G Rivas… - Chemical …, 2024 - ACS Publications
Macromolecular crowding affects the activity of proteins and functional macromolecular
complexes in all cells, including bacteria. Crowding, together with physicochemical …

Fundamental Aspects of Phase-Separated Biomolecular Condensates

HX Zhou, D Kota, S Qin, R Prasad - Chemical Reviews, 2024 - ACS Publications
Biomolecular condensates, formed through phase separation, are upending our
understanding in much of molecular, cell, and developmental biology. There is an urgent …

Liquid–Liquid Phase Separation and protective protein aggregates in bacteria

D Kuczyńska-Wiśnik, K Stojowska-Swędrzyńska… - Molecules, 2023 - mdpi.com
Liquid–liquid phase separation (LLPS) and the formation of membraneless organelles
(MLOs) contribute to the spatiotemporal organization of various physiological processes in …

Influence of Nε-Lysine Acetylation on the Formation of Protein Aggregates and Antibiotic Persistence in E. coli

K Stojowska-Swędrzyńska, D Kuczyńska-Wiśnik… - Molecules, 2024 - mdpi.com
Numerous studies indicate that reversible Nε-lysine acetylation in bacteria may play a key
role in the regulation of metabolic processes, transcription and translation, biofilm formation …

Bacterial nucleoid is a riddle wrapped in a mystery inside an enigma

A Kuzminov - Journal of bacteriology, 2024 - Am Soc Microbiol
Bacterial chromosome, the nucleoid, is traditionally modeled as a rosette of DNA mega-
loops, organized around proteinaceous central scaffold by nucleoid-associated proteins …

Physical models of bacterial chromosomes

J Harju, CP Broedersz - Molecular Microbiology, 2024 - Wiley Online Library
The interplay between bacterial chromosome organization and functions such as
transcription and replication can be studied in increasing detail using novel experimental …

Biomolecular condensates as stress sensors and modulators of bacterial signaling

M Sasazawa, DT Tomares, WS Childers… - Plos …, 2024 - journals.plos.org
Microbes exhibit remarkable adaptability to environmental fluctuations. Signaling
mechanisms, such as two-component systems and secondary messengers, have long been …

[HTML][HTML] Reentrant DNA shells tune polyphosphate condensate size

R Chawla, JKA Tom, T Boyd, DA Grotjahn, D Park… - bioRxiv, 2023 - ncbi.nlm.nih.gov
The ancient, inorganic biopolymer polyphosphate (polyP) occurs in all three domains of life
and affects myriad cellular processes. An intriguing feature of polyP is its frequent proximity …

[HTML][HTML] Avoidance of the use of tryptophan in buried chromosomal proteins as a mechanism for reducing photo/oxidative damage to genomes

A Gupta, AR Venkatesh, K Arora… - Journal of Photochemistry …, 2023 - Elsevier
In cells that are exposed to terrestrial sunlight, the indole moiety in the side chain of
tryptophan (Trp) can suffer photo/oxidative damage (POD) by reactive oxygen species …

Live to fight another day: The bacterial nucleoid under stress

AM Walker, EA Abbondanzieri… - Molecular …, 2024 - Wiley Online Library
The bacterial chromosome is both highly supercoiled and bound by an ensemble of proteins
and RNA, causing the DNA to form a compact structure termed the nucleoid. The nucleoid …