Jennifer Geraci

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Osteomyelitis is a severe inflammatory disease of the bone that is mainly caused by Staphylococcus aureus. Particularly, bone infections are difficult to treat and can develop into a chronic course with a high relapsing rate despite of antimicrobial treatments. The complex interaction of staphylococci with osseous tissue and the bacterial ability to invade(More)
Staphylococcus aureus is a major human pathogen that causes a range of infections from acute invasive to chronic and difficult-to-treat. Infection strategies associated with persisting S. aureus infections are bacterial host cell invasion and the bacterial ability to dynamically change phenotypes from the aggressive wild-type to small colony variants(More)
Binding to fibronectin (FN) is a crucial pathogenic factor of Staphylococcus aureus mediated by fibronectin-binding protein A (FnBP-A) and extracellular adherence protein (Eap). Recently, we have shown that binding of soluble CD163 (sCD163) to FN linked to these molecules exhibits anti-microbial effects by enhancing phagocytosis and killing activity of S.(More)
The extracellular matrix protein Emp of Staphylococcus aureus is a secreted adhesin that mediates interactions between the bacterial surface and extracellular host structures. However, its structure and role in staphylococcal pathogenesis remain unknown. Using multidisciplinary approaches, including circular dichroism (CD) and Fourier transform infrared(More)
Staphylococcus aureus is a major pathogen causing bone infections that can become chronic and difficult to treat. Recently, we described the mechanism employed by S. aureus to switch to small colony variants (SCVs) and trigger intracellular bacterial persistence through the global stress regulator SigB. Here, we studied the role of SigB in the formation of(More)
The Salton Sea is one of the few saline, inland lakes in the world with a population of barnacles, Balanus amphitrite. It is also one of California’s most impaired water bodies due to excessive nutrient loading which leads to phytoplankton blooms and low dissolved oxygen. Currently, B. amphitrite growth is limited due to lack of hard substrate in and around(More)
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