Nucleotide biosynthesis: the base of bacterial pathogenesis

MI Goncheva, D Chin, DE Heinrichs - Trends in Microbiology, 2022 - cell.com
Most free-living organisms require the synthesis and/or acquisition of purines and
pyrimidines, which form the basis of nucleotides, to survive. In most bacteria, the nucleotides …

Virulence attributes of successful methicillin-resistant Staphylococcus aureus lineages

JH Jiang, DR Cameron, C Nethercott… - Clinical microbiology …, 2023 - Am Soc Microbiol
Methicillin-resistant Staphylococcus aureus (MRSA) is a leading cause of severe and often
fatal infections. MRSA epidemics have occurred in waves, whereby a previously successful …

[HTML][HTML] MRSA lineage USA300 isolated from bloodstream infections exhibit altered virulence regulation

S Dyzenhaus, MJ Sullivan, B Alburquerque, D Boff… - Cell host & …, 2023 - cell.com
The epidemic community-associated methicillin-resistant Staphylococcus aureus (CA-
MRSA) USA300 lineage has recently become a leading cause of hospital-associated …

[HTML][HTML] Impact of the pentose phosphate pathway on metabolism and pathogenesis of Staphylococcus aureus

J Kim, GL Kim, J Norambuena, JM Boyd… - PLoS …, 2023 - journals.plos.org
Staphylococcus aureus is an important pathogen that leads to significant disease through
multiple routes of infection. We recently published a transposon sequencing (Tn-seq) screen …

Purine nucleosides interfere with c-di-AMP levels and act as adjuvants to re-sensitize MRSA to β-lactam antibiotics

AC Nolan, MS Zeden, I Kviatkovski, C Campbell… - Mbio, 2023 - Am Soc Microbiol
The purine-derived signaling molecules c-di-AMP and (p) ppGpp control mecA/PBP2a-
mediated β-lactam resistance in methicillin-resistant Staphylococcus aureus (MRSA) raise …

Niche-specific genome degradation and convergent evolution shaping Staphylococcus aureus adaptation during severe infections

SG Giulieri, R Guérillot, S Duchene, A Hachani… - Elife, 2022 - elifesciences.org
During severe infections, Staphylococcus aureus moves from its colonising sites to blood
and tissues and is exposed to new selective pressures, thus, potentially driving adaptive …

[HTML][HTML] Metabolic reprogramming and altered cell envelope characteristics in a pentose phosphate pathway mutant increases MRSA resistance to β-lactam …

MS Zeden, LA Gallagher, E Bueno, AC Nolan… - PLoS …, 2023 - journals.plos.org
Central metabolic pathways control virulence and antibiotic resistance, and constitute
potential targets for antibacterial drugs. In Staphylococcus aureus the role of the pentose …

Revealing 29 sets of independently modulated genes in Staphylococcus aureus, their regulators, and role in key physiological response

S Poudel, H Tsunemoto, Y Seif… - Proceedings of the …, 2020 - National Acad Sciences
The ability of Staphylococcus aureus to infect many different tissue sites is enabled, in part,
by its transcriptional regulatory network (TRN) that coordinates its gene expression to …

The nucleotide messenger (p)ppGpp is an anti-inducer of the purine synthesis transcription regulator PurR in Bacillus

BW Anderson, MA Schumacher, J Yang… - Nucleic Acids …, 2022 - academic.oup.com
The nucleotide messenger (p) ppGpp allows bacteria to adapt to fluctuating environments by
reprogramming the transcriptome. Despite its well-recognized role in gene regulation,(p) …

[HTML][HTML] Coagulase-negative staphylococci release a purine analog that inhibits Staphylococcus aureus virulence

D Chin, MI Goncheva, RS Flannagan… - Nature …, 2021 - nature.com
Coagulase-negative staphylococci and Staphylococcus aureus colonize similar niches in
mammals and conceivably compete for space and nutrients. Here, we report that a …