Acinetobacter baumannii biofilms: effects of physicochemical factors, virulence, antibiotic resistance determinants, gene regulation, and future antimicrobial treatments

EC Eze, HY Chenia, ME El Zowalaty - Infection and drug …, 2018 - Taylor & Francis
Acinetobacter baumannii is a leading cause of nosocomial infections due to its increased
antibiotic resistance and virulence. The ability of A. baumannii to form biofilms contributes to …

Quorum sensing for population-level control of bacteria and potential therapeutic applications

S Wu, J Liu, C Liu, A Yang, J Qiao - Cellular and Molecular Life Sciences, 2020 - Springer
Quorum sensing (QS), a microbial cell-to-cell communication process, dynamically regulates
a variety of metabolism and physiological activities. In this review, we provide an update on …

Natural transformation allows transfer of SCCmec-mediated methicillin resistance in Staphylococcus aureus biofilms

M Maree, LT Thi Nguyen, RL Ohniwa… - Nature …, 2022 - nature.com
SCC mec is a large mobile genetic element that includes the mecA gene and confers
resistance to β-lactam antibiotics in methicillin-resistant Staphylococcus aureus (MRSA) …

Large-scale analyses of human microbiomes reveal thousands of small, novel genes

H Sberro, BJ Fremin, S Zlitni, F Edfors, N Greenfield… - Cell, 2019 - cell.com
Small proteins are traditionally overlooked due to computational and experimental
difficulties in detecting them. To systematically identify small proteins, we carried out a …

“It takes a village”: mechanisms underlying antimicrobial recalcitrance of polymicrobial biofilms

G Orazi, GA O'Toole - Journal of Bacteriology, 2019 - Am Soc Microbiol
Chronic infections are frequently caused by polymicrobial biofilms. Importantly, these
infections are often difficult to treat effectively in part due to the recalcitrance of biofilms to …

Mechanisms and impact of biofilms and targeting of biofilms using bioactive compounds—A review

AV Samrot, A Abubakar Mohamed, E Faradjeva… - Medicina, 2021 - mdpi.com
Biofilms comprising aggregates of microorganisms or multicellular communities have been a
major issue as they cause resistance against antimicrobial agents and biofouling. To date …

Mechanisms of DNA uptake by naturally competent bacteria

D Dubnau, M Blokesch - Annual review of genetics, 2019 - annualreviews.org
Transformation is a widespread mechanism of horizontal gene transfer in bacteria. DNA
uptake to the periplasmic compartment requires a DNA-uptake pilus and the DNA-binding …

The role and mechanism of quorum sensing on environmental antimicrobial resistance

M Wang, Y Lian, Y Wang, L Zhu - Environmental Pollution, 2023 - Elsevier
As more environmental contaminants emerging, antibiotics and antibiotic resistance genes
(ARGs) have caused a substantial increase of antimicrobial resistance (AMR) in …

Proton motive force disruptors block bacterial competence and horizontal gene transfer

A Domenech, AR Brochado, V Sender, K Hentrich… - Cell host & …, 2020 - cell.com
Streptococcus pneumoniae is a commensal of the human nasopharynx that can also cause
severe antibiotic-resistant infections. Antibiotics drive the spread of resistance by inducing S …

[HTML][HTML] Thousands of small, novel genes predicted in global phage genomes

BJ Fremin, AS Bhatt, NC Kyrpides, A Sengupta… - Cell reports, 2022 - cell.com
Summary Small genes (< 150 nucleotides) have been systematically overlooked in phage
genomes. We employ a large-scale comparative genomics approach to predict> 40,000 …