Synchronized swarmers and sticky stalks: Caulobacter crescentus as a model for bacterial cell biology

JM Barrows, ED Goley - Journal of bacteriology, 2023 - Am Soc Microbiol
First isolated and classified in the 1960s, Caulobacter crescentus has been instrumental in
the study of bacterial cell biology and differentiation. C. crescentus is a Gram-negative …

Light-Triggered Carotenogenesis in Myxococcus xanthus: New Paradigms in Photosensory Signaling, Transduction and Gene Regulation

S Padmanabhan, AJ Monera-Girona, R Pérez-Castaño… - Microorganisms, 2021 - mdpi.com
Myxobacteria are Gram-negative δ-proteobacteria found predominantly in terrestrial habitats
and often brightly colored due to the biosynthesis of carotenoids. Carotenoids are lipophilic …

Transcription regulation by CarD in mycobacteria is guided by basal promoter kinetics

DX Zhu, CL Stallings - Journal of Biological Chemistry, 2023 - ASBMB
Bacterial pathogens like Mycobacterium tuberculosis (Mtb) employ transcription factors to
adapt their physiology to the diverse environments within their host. CarD is a conserved …

CarD contributes to diverse gene expression outcomes throughout the genome of Mycobacterium tuberculosis

DX Zhu, AL Garner, EA Galburt… - Proceedings of the …, 2019 - National Acad Sciences
The ability to regulate gene expression through transcription initiation underlies the
adaptability and survival of all bacteria. Recent work has revealed that the transcription …

GTPase activity regulates FtsZ ring positioning in Caulobacter crescentus

JM Barrows, BK Talavera-Figueroa… - Molecular Biology of …, 2024 - Am Soc Cell Biol
Bacterial cell division is crucial for replication and requires careful coordination via proteins
collectively called the divisome. The tubulin-like GTPase FtsZ is the master regulator of this …

A majority of Rhodobacter sphaeroides promoters lack a crucial RNA polymerase recognition feature, enabling coordinated transcription activation

KK Henry, W Ross, KS Myers… - Proceedings of the …, 2020 - National Acad Sciences
Using an in vitro transcription system with purified RNA polymerase (RNAP) to investigate
rRNA synthesis in the photoheterotrophic α-proteobacterium Rhodobacter sphaeroides, we …

Regulation of the transcription factor CdnL promotes adaptation to nutrient stress in Caulobacter

EL Smith, G Panis, SA Woldemeskel, PH Viollier… - PNAS …, 2024 - academic.oup.com
In response to nutrient deprivation, bacteria activate a conserved stress response pathway
called the stringent response (SR). During SR activation in Caulobacter crescentus, SpoT …

[HTML][HTML] EstG is a novel esterase required for cell envelope integrity in Caulobacter

AK Daitch, BC Orsburn, Z Chen, L Alvarez… - Current Biology, 2023 - cell.com
Proper regulation of the bacterial cell envelope is critical for cell survival. Identification and
characterization of enzymes that maintain cell envelope homeostasis is crucial, as they can …

FtsA regulates Z-ring morphology and cell wall metabolism in an FtsZ C-terminal linker-dependent manner in Caulobacter crescentus

JM Barrows, K Sundararajan, A Bhargava… - Journal of …, 2020 - Am Soc Microbiol
Bacterial cell division requires the assembly of a multiprotein division machinery, or
divisome, that remodels the cell envelope to cause constriction. The cytoskeletal protein FtsZ …

Phenotypic, genotypic, and resistome of mesophilic spore-forming bacteria isolated from pasteurized liquid whole egg

AAIA Chincha, MP Marone, AKR Pia, L Freire… - Food Research …, 2024 - Elsevier
The production of whole-liquid eggs is of significant economic and nutritional importance.
This study aimed to assess the phenotypic and genotypic diversity of mesophilic aerobic …