Subcellular localization of type IV pili regulates bacterial multicellular development

CK Ellison, C Fei, TN Dalia, NS Wingreen… - Nature …, 2022 - nature.com
In mammals, subcellular protein localization of factors like planar cell polarity proteins is a
key driver of the multicellular organization of tissues. Bacteria also form organized …

Implications of indoor microbial ecology and evolution on antibiotic resistance

S Ben Maamar, J Hu, EM Hartmann - Journal of exposure science & …, 2020 - nature.com
The indoor environment is an important source of microbial exposures for its human
occupants. While we naturally want to favor positive health outcomes, built environment …

CryoEM structure of the type IVa pilus secretin required for natural competence in Vibrio cholerae

SJ Weaver, DR Ortega, MH Sazinsky, TN Dalia… - Nature …, 2020 - nature.com
Natural transformation is the process by which bacteria take up genetic material from their
environment and integrate it into their genome by homologous recombination. It represents …

[HTML][HTML] Antibiotic resistance bacteria and antibiotic resistance genes survived from the extremely acidity posing a risk on intestinal bacteria in an in vitro digestion …

M Zhou, Q Cai, C Zhang, P Ouyang, L Yu… - … and Environmental Safety, 2022 - Elsevier
Antibiotic resistance bacteria (ARB) and antibiotic resistance genes (ARGs) are emerging
contaminants posing risk to human health. To investigate the pathogenic ARBs and the …

Competence pili in Streptococcus pneumoniae are highly dynamic structures that retract to promote DNA uptake

T Lam, CK Ellison, DT Eddington, YV Brun… - Molecular …, 2021 - Wiley Online Library
The competence pili of transformable Gram‐positive species are phylogenetically related to
the diverse and widespread class of extracellular filamentous organelles known as type IV …

Surface sensing stimulates cellular differentiation in Caulobacter crescentus

RA Snyder, CK Ellison, GB Severin… - Proceedings of the …, 2020 - National Acad Sciences
Cellular differentiation is a fundamental strategy used by cells to generate specialized
functions at specific stages of development. The bacterium Caulobacter crescentus employs …

Type IV-like pili facilitate transformation in naturally competent archaea

DR Fonseca, MFA Halim, MP Holten… - Journal of …, 2020 - Am Soc Microbiol
Naturally competent organisms are capable of DNA uptake directly from the environment
through the process of transformation. Despite the importance of transformation to microbial …

Impact of nano-TiO 2 on horizontal transfer of resistance genes mediated by filamentous phage transduction

X Han, P Lv, LG Wang, F Long, XL Ma, C Liu… - Environmental …, 2020 - pubs.rsc.org
The spread of antibiotic resistance genes (ARGs) in the environment has aroused growing
concern for human health and ecological safety. Recent studies have confirmed that …

Pili allow dominant marine cyanobacteria to avoid sinking and evade predation

MM Aguilo-Ferretjans, R Bosch, RJ Puxty… - Nature …, 2021 - nature.com
How oligotrophic marine cyanobacteria position themselves in the water column is currently
unknown. The current paradigm is that these organisms avoid sinking due to their reduced …

In through the out door: a functional virulence factor secretion system is necessary for phage infection in Ralstonia solanacearum

AS Xavier, AG de Melo, CG Hendrich, DM Tremblay… - Mbio, 2022 - Am Soc Microbiol
Bacteriophages put intense selective pressure on microbes, which must evolve diverse
resistance mechanisms to survive continuous phage attacks. We used a library of …