• Organization: Department of Agriculture
• Updated: 2024-02-13

The ascomycete Neofusicoccum parvum, one of the causal agents of Botryosphaeria dieback, is a destructive wood‐infecting fungus and a serious threat to grape production worldwide. The capability...

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• Organization: U.S. Department of Health & Human Services
• Updated: 2025-09-06

Background Streptolysin S (SLS), the oxygen-stable hemolysin of Streptococcus pyogenes, has recently been shown to be encoded by the sagA/pel gene. Mutants lacking expression of this...

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• Organization: Department of the Interior
• Updated: 2021-10-28T00:00:00Z

Several Francisella spp. including F. noatunensis are regarded as important emerging pathogens of wild and farmed fish. However, very few studies have investigated the virulence factors that allow...

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• Organization: U.S. Department of Health & Human Services
• Updated: 2025-09-06

An intense suppression of T cell proliferation to mitogens and to antigens is observed in a large number of parasitic infections. The impairment of T cell proliferation also occurred during...

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• Organization: U.S. Department of Health & Human Services
• Updated: 2025-09-06

Background Enterohaemorrhagic Escherichia coli (EHEC) is considered to be common cause of haemorrhagic colitis (HC), thrombotic thrombocytopenic purpura and haemolytic uraemic syndrome...

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• Organization: U.S. Department of Health & Human Services
• Updated: 2025-09-06

Background Several bacterial pathogens express antihost factors that likely decrease both their maximal growth rate (due to metabolic costs) as well as their mortality rate (by...

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• Organization: U.S. Department of Health & Human Services
• Updated: 2025-09-06

Mouse skin passage of a Streptococcus pyogenes Tn917 mutant of sagA/pel restores virulence, beta-hemolysis and sagA/pel expression without altering the position or sequence of the transposon: Correction

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-08-21

Staphylococcus aureus colonizes the nares of approximately 30% of humans, a risk factor for opportunistic infections. Because of the potential threat of S. aureus to astronaut health, the effect...

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• Organization: U.S. Department of Health & Human Services
• Updated: 2025-09-06

Background In the last decades, attention to cholera epidemiology increased, as cholera epidemics became a worldwide health problem. Detailed investigation of V. cholerae interactions...

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• Organization: Department of Agriculture
• Updated: 2025-11-21

The complete genome sequence data of S. aureus SJTUF_J27 isolated from seaweed in China is reported here. The size of the genome is 2.8 Mbp with 32.9% G+C content, consisting of 2614 coding...

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• Organization: U.S. Department of Health & Human Services
• Updated: 2025-09-06

Background Virulence genes on Salmonella pathogenicity island 1 (SPI1) are coordinately regulated by HilA, a member of the OmpR/ToxR family of transcription factors. Although a great...

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• Organization: U.S. Department of Health & Human Services
• Updated: 2025-09-06

A Leishmania model to explain microbial virulence in chronic infectious diseases is proposed. All these diseases progress from infection to symptomatic phase to host death or recovery. The outcome...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-08-21

Staphylococcus aureus is commonly isolated from astronauts returning from spaceflight missions. Previous analysis of BRIC-23 omics data generated from S. aureus low Earth orbit cultures indicated...

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• Organization: Department of Agriculture
• Updated: 2024-02-14

Treating Shiga toxin-producing Escherichia coli (STEC) gastrointestinal infections is difficult. The utility of antibiotics for STEC treatment is controversial, since antibiotic resistance among...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-04-23

Microgravity alters the immune response to in vitro LPS assault engineered in spaceflight: A multi-omics study Microgravity can facilitate creation of a potent environment for opportunistic...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-04-23

Microgravity alters the immune response to in vitro LPS assault engineered in spaceflight: A multi-omics study Microgravity can facilitate creation of a potent environment for opportunistic...

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• Organization: Department of the Interior
• Updated: 2022-11-30T00:00:00Z

Chemically intensive crop production depletes wildlife food resources, hinders animal development, health, survival, and reproduction, and it suppresses wildlife immune systems, facilitating...

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