Interaction with immune cells
Phagocytes such as macrophages and neutrophils are key players of the innate immune system and thus constitute the first line of defense against pathogenic Candida species such as C. albicans and C. glabrata. Recognition of Candida cells by phagocytes leads to cytokine production, phagocytosis and the activation of antimicrobial effector functions to induce killing of the fungus. On the other hand, pathogenic Candida spp. are well adapted to their host and have developed mechanisms to evade or counteract the anti-microbial activities of phagocytes. Both fungi are, for example, able to not only survive phagocytosis by macrophages, but even proliferate intracellularly and escape.
We want to characterize the interaction of C. albicans and C. glabrata with phagocytes. We are especially interested in the fungal factors and activities that help Candida to cope with these immune cells and survive.
(2018) IL-36 and IL-1/IL-17 drive immunity to oral candidiasis via parallel mechanisms. J Immunol 201(2), 627-634.
(2017) Oral epithelial cells orchestrate innate type 17 responses to Candida albicans through the virulence factor candidalysin. Sci Immunol 2(17), pii: eaam8834.
(2016) Aspartyl proteinases of eukaryotic microbial pathogens: From eating to heating. PLOS Pathog 12(12), e1005992. (Review)
(2016) In vivo induction of neutrophil chemotaxis by secretory aspartyl proteinases of Candida albicans. Virulence 7(7), 819-825.
(2016) Candida albicans induces metabolic reprogramming in human NK cells and responds to perforin with a Zinc depletion response. Front Microbiol 7, 750.
(2015) Induction of Caspase-11 by aspartyl proteinases of Candida albicans and implication in promoting inflammatory response. Infect Immun 83(5), 1940-1948.
(2015) Intracellular survival of Candida glabrata in macrophages: immune evasion and persistence. FEMS Yeast Res 15(5), fov042.
(2015) Secretory aspartyl proteinases cause vaginitis and can mediate vaginitis caused by Candida albicans in mice. MBio 6(3), e00724.
(2014) One small step for a yeast - Microevolution within macrophages renders Candida glabrata hypervirulent due to a single point mutation. PLOS Pathog 10(10), e1004478.
(2014) Pathogenicity mechanisms and host response during oral Candida albicans infections. Expert Rev Anti Infect Ther 12(7), 867-879. (Review)
(2014) Identification of Candida glabrata genes involved in pH modulation and modification of the phagosomal environment in macrophages. PLOS One 9(5), e96015.
(2014) A family of glutathione peroxidases contributes to oxidative stress resistance in Candida albicans. Med Mycol 52(3), 223-239.
(2014) Differential role of NK cells against Candida albicans infection in immunocompetent or immunocompromised mice. Eur J Immunol 44(8), 2405-2414.
(2014) Immune evasion, stress resistance, and efficient nutrient acquisition are crucial for intracellular survival of Candida glabrata within macrophages. Eukaryot Cell 13(1), 170-183.
(2014) Human natural killer cells acting as phagocytes against Candida albicans and mounting an inflammatory response that modulates neutrophil antifungal activity. J Infect Dis 209(4), 616-626.
(2013) A core filamentation response network in Candida albicans is restricted to eight genes. PLOS One 8(3), e58613.
(2013) Hsp21 potentiates antifungal drug tolerance in Candida albicans. PLOS One 8(3), e60417.
(2013) Thriving within the host: Candida spp. interactions with phagocytic cells. Med Microbiol Immunol 202(3), 183-195. (Review)
(2013) Secreted aspartic proteases of Candida albicans activate the NLRP3 inflammasome. Eur J Immunol 43(3), 679-692.
(2012) Complement plays a central role in Candida albicans-induced cytokine production by human PBMCs. Eur J Immunol 42(4), 993-991004.
(2011) The facultative intracellular pathogen Candida glabrata subverts macrophage cytokine production and phagolysosome maturation. J Immunol 187(6), 3072-3086.
(2010) Candida glabrata tryptophan-based pigment production via the Ehrlich pathway. Mol Microbiol 76(1), 25-47.
(2010) Candida glabrata persistence in mice does not depend on host immunosuppression and is unaffected by fungal amino acid auxotrophy. Infect Immun 78(3), 1066-1077.
(2010) Interaction of pathogenic yeasts with phagocytes: survival, persistence and escape. Curr Opin Microbiol 13(4), 392-400. (Review)
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Dr. Franziska Gerwien
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