Abstract

In FY 2017, we continued our investigation of virulence factors that contribute to Staphylococcus aureus pathogenesis and immune evasion. The focus is on understanding which factors define the virulence potential of highly virulent MSSA and MRSA clones, in particular of community-associated MRSA. Much of our work is currently still focussed on phenol-soluble modulins (PSMs), toxins that we discovered in 2007. Current efforts are aimed at understanding the regulation and export of PSMs. With regard to the former, we discovered in the past year that PSMs directly interact with a regulator protein to control the genes involved in their export. This work has been published in MBio (Joo et al.).

  Funding Agency

Agency
National Institute of Health (NIH)
Institute
National Institute of Allergy and Infectious Diseases (NIAID)
Type
Investigator-Initiated Intramural Research Projects (ZIA)
Project #
1ZIAAI000904-16
Application #
9566616
Study Section
Project Start
Project End
Budget Start
Budget End
Support Year
16
Fiscal Year
2017
Total Cost
Indirect Cost

  Institution

Name
Niaid Extramural Activities
Department
Type
DUNS #
City
State
Country
Zip Code

  Publications

Zheng, Yue; He, Lei; Asiamah, Titus K et al. (2018) Colonization of medical devices by staphylococci. Environ Microbiol 20:3141-3153
He, Lei; Zheng, Hong-Xiang; Wang, Yanan et al. (2018) Detection and analysis of methicillin-resistant human-adapted sequence type 398 allows insight into community-associated methicillin-resistant Staphylococcus aureus evolution. Genome Med 10:5
Fisher, Emilie L; Otto, Michael; Cheung, Gordon Y C (2018) Basis of Virulence in Enterotoxin-Mediated Staphylococcal Food Poisoning. Front Microbiol 9:436
Jones, Dennis; Meijer, Eelco F J; Blatter, Cedric et al. (2018) Methicillin-resistant Staphylococcus aureus causes sustained collecting lymphatic vessel dysfunction. Sci Transl Med 10:
Schlatterer, Katja; Beck, Christian; Hanzelmann, Dennis et al. (2018) The Mechanism behind Bacterial Lipoprotein Release: Phenol-Soluble Modulins Mediate Toll-Like Receptor 2 Activation via Extracellular Vesicle Release from Staphylococcus aureus. MBio 9:
Nakatsuji, Teruaki; Chen, Tiffany H; Butcher, Anna M et al. (2018) A commensal strain of Staphylococcus epidermidis protects against skin neoplasia. Sci Adv 4:eaao4502
Zheng, Yue; Joo, Hwang-Soo; Nair, Vinod et al. (2018) Do amyloid structures formed by Staphylococcus aureus phenol-soluble modulins have a biological function? Int J Med Microbiol 308:675-682
Cheung, Gordon Y C; Fisher, Emilie L; McCausland, Joshua W et al. (2018) Antimicrobial Peptide Resistance Mechanism Contributes to Staphylococcus aureus Infection. J Infect Dis 217:1153-1159
Blake, Kimbria J; Baral, Pankaj; Voisin, Tiphaine et al. (2018) Staphylococcus aureus produces pain through pore-forming toxins and neuronal TRPV1 that is silenced by QX-314. Nat Commun 9:37
Piewngam, Pipat; Zheng, Yue; Nguyen, Thuan H et al. (2018) Pathogen elimination by probiotic Bacillus via signalling interference. Nature 562:532-537

Showing the most recent 10 out of 119 publications