Antimicrobial Resistance in Staphylococcus

Staphylococcus haemolyticus Population Genomics Provides Insights into Pathogenicity and Commensalism

This study analyzes the population genomics of Staphylococcus haemolyticus to understand its transition from commensal to pathogenic states.

Dynamic exometabolomics reveals metabolic adaptations of Staphylococcus epidermidis to pH-mimicking skin and bloodstream

This study investigates how Staphylococcus epidermidis adapts metabolically to different pH conditions, revealing strain-specific responses linked to virulence.

Biotope-dependent High Level Resistance to Reactive Oxygen Species, Antibiotic Tolerance, and Virulence of Staphylococcus aureus

This study shows that milk-adapted Staphylococcus aureus is more resistant to reactive oxygen species, antibiotic tolerance, and virulent than serum-adapted strains.

The staphylococcal type VII secretion system delays inflammatory cell death during macrophage infection

This study shows that the staphylococcal type VII secretion system delays macrophage cell death during infection, enhancing bacterial survival.

Treating the untreatable: Reversing β-lactam resistance in MRSA by membrane-domain-dissolving antibiotics

This paper demonstrates that membrane-domain-dissolving antibiotics can reverse β-lactam resistance in MRSA by dissolving membrane domains, as shown through multiple experimental methods.

Strain-resolved CRISPRi-Seq reveals conserved antibiotic vulnerabilities in Staphylococcus aureus

The paper uses CRISPRi-Seq to identify conserved antibiotic vulnerabilities in S. aureus strains, revealing gene targets for antimicrobial therapies.

High-resolution Staphylococcus profiling reveals intra-species diversity in a single skin niche

This study profiles Staphylococcus diversity in a single skin niche using whole-genome sequencing, revealing intra-species genetic and functional variation and potential metabolic interactions.

Characterising Staphylococcus aureus genomic epidemiology with Multilevel Genome Typing.

This study develops a multilevel genome typing (MGT) scheme for Staphylococcus aureus to characterize genomic epidemiology at various scales using 50,481 genomes.

Spontaneous mutations in braRS and braAB and the IS1181-related deletion of vraDE genes increase the susceptibility of Staphylococcus aureus clinical isolates to epidermin

Breaking the culture habit: metagenomic diagnosis of companion animal skin infections

This paper compares metagenomic sequencing with traditional culture methods for diagnosing companion animal skin infections, showing that metagenomics identifies pathogens and antibiotic resistance genes as effectively as culture-based methods and provides additional insights into microbiome composition.

Transition of Staphylococcus aureus tetracycline resistance plasmid pT181 from independent multicopy replicon to predominantly integrated chromosomal element over 65 years

Microgeography of staphyloccoci in human tissue explains antibiotic failure

The paper maps Staphylococcus aureus microgeography in human tissue using AI-guided imaging and finds antibiotic failure is linked to intracellular bacterial persistence and metabolic constraints.

Identification of novel human cellular substrates of Staphylococcus aureus serine protease SplB

This study identifies novel human substrates of Staphylococcus aureus protease SplB, revealing its cleavage of intermediate filaments and IgG, suggesting roles in immune evasion and tissue invasion.

Pentoxifylline, a Non-Antibiotic Drug, Promotes Adaptation of Clinical Isolates of Staphylococcus aureus via Modulating c-di-AMP Signaling

This study shows pentoxifylline modulates c-di-AMP signaling in Staphylococcus aureus, leading to distinct adaptive mechanisms in clinical isolates.

Inhibitory activities of monoclonal antibodies against Staphylococcus aureus Clumping factor A

This study evaluates monoclonal antibodies against ClfA to determine their ability to neutralize ClfA-ligand interactions and reduce S. aureus bacterial burdens in vivo.

Elucidating the Staphylococcus aureus TSST-1 regulatory network as a response to vaginal pH

This study identifies GraXRS as the main activator of TSST-1 at low pH in Staphylococcus aureus, revealing a complex regulatory network in response to vaginal pH changes.

Spontaneous preputial gland infection in Staphylococcus aureus-colonized male C57BL/6 mice triggers a Th17-driven immune response

This study shows that S. aureus colonization in male mice leads to spontaneous preputial gland infections driven by a Th17 immune response that fails to clear the bacteria.

Timely excision of prophage {Phi}13 is essential for the Staphylococcus aureus infectious process

This study shows that timely excision of the {Phi}13 prophage in Staphylococcus aureus is essential for virulence, as its loss reduces pathogenicity and increases host survival.

Photochemical modification of two fluorene-based molecules yields structurally distinct DNA intercalators with potent anti-MRSA activity

This study identifies fluorene-based DNA intercalators that show potent anti-MRSA activity and anti-virulence effects through photochemical modification.

Deciphering the function of Com_YlbF domain-containing proteins in Staphylococcus aureus.

This study investigates the role of Com_YlbF domain-containing proteins in Staphylococcus aureus and finds they regulate biofilm formation, hemolysis, and virulence by affecting RNase-Y activity.

Evolution of polyamine resistance in Staphylococcus aureus through modulation of potassium transport

This study identifies mutations in potassium transporter genes conferring polyamine resistance in S. aureus and links them to broader antibiotic resistance.

A D-alanine aminotransferase S180F substitution confers resistance to β-chloro-D-alanine in Staphylococcus aureus via antibiotic inactivation

This study identifies a S180F substitution in D-alanine aminotransferase (Dat) in Staphylococcus aureus that confers resistance to β-chloro-D-alanine by altering PLP co-factor binding and promoting antibiotic inactivation.

A single transcriptional regulator is crucial for the adaptation of Staphylococcus aureus to diverse niches

This study shows that the transcriptional regulator SigB is crucial for Staphylococcus aureus adaptation to different niches, with SigB-deficient strains evolving in persistent mastitis due to the cost of phenotypic plasticity.

Quorum sensing dependent repression of the Staphylococcus aureus transcription termination factor Rho is necessary for pathogenicity

The paper shows that quorum sensing-dependent repression of Rho in S. aureus during stationary phase activates exotoxins and affects virulence-related processes.

Prophage-encoded methyltransferase drives adaptation of community-acquired methicillin-resistant Staphylococcus aureus

This study identifies a prophage-encoded methyltransferase, pamA, that enhances virulence in CA-MRSA by epigenetically upregulating fnbA, promoting biofilm formation and abscess size.

Simple sequence repeats power Staphylococcus aureus adaptation

This study identifies simple sequence repeats (SSRs) as key drivers of genetic heterogeneity and rapid adaptation in Staphylococcus aureus through loss-of-function mutations and phase-variable evolution.

Repurposing AZD-5991 for inhibiting growth and biofilm formation of Staphylococcus aureus by disrupting the cell membrane and targeting FabI.

This paper shows AZD-5991 inhibits S. aureus growth and biofilm formation by disrupting the cell membrane and targeting FabI, suggesting it as a potential new antibiotic.

Plasmin-Mediated Processing of Clumping Factor A Impacts Bacterial, Aggregation and Abscess Formation during Staphylococcus aureus Infection

This study shows plasmin cleaves ClfA, disrupting fibrinogen binding and enhancing S. aureus virulence and abscess formation.

Genomic and Phenotypic Characterization of Mupirocin Resistant Staphylococcus aureus Clinical Isolates

The paper characterizes mupirocin resistance in Staphylococcus aureus clinical isolates, finding high prevalence in MRSA and associations with specific genetic mutations and sequence types.

Post-fluoroquinolone treatment molecular events and nutrient availability modulate Staphylococcus aureus antibiotic persistence

This study shows that post-fluoroquinolone treatment, nutrient availability and DNA repair mechanisms influence Staphylococcus aureus persistence and survival.