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논문 기본 정보

자료유형
학술저널
저자정보
Son, Ye-Eun (School of Food Science and Biotechnology, Institute of Agricultural Science and Technology, Kyungpook National University) Jung, Won-Hee (School of Food Science and Biotechnology, Institute of Agricultural Science and Technology, Kyungpook National University) Oh, Sang-Hun (School of Life Science, Handong Global University) Kwak, Jin-Hwan (School of Life Science, Handong Global University) Cardenas, Maria E. (Department of Molecular Genetics and Microbiology, Duke University Medical Center) Park, Hee-Soo (School of Food Science and Biotechnology, Institute of Agricultural Science and Technology, Kyungpook National University)
저널정보
한국균학회 Mycobiology Mycobiology 제46권 제2호
발행연도
2018.1
수록면
114 - 121 (8page)

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Mon1 is a guanine nucleotide exchange factor subunit that activates the Ypt7 Rab GTPase and is essential for vacuole trafficking and autophagy in eukaryotic organisms. Here, we identified and characterized the function of Mon1, an ortholog of Saccharomyces cerevisiae Mon1, in a human fungal pathogen, Cryptococcus neoformans. Mutation in mon1 resulted in hypersensitivity to thermal stress. The mon1 deletion mutant exhibited increased sensitivity to cell wall and endoplasmic reticulum stress. However, the mon1 deletion mutant showed more resistance to the antifungal agent fluconazole. In vivo studies demonstrated that compared to the wild-type strain, the mon1 deletion mutant attenuated virulence in the Galleria mellonella insect model. Moreover, the mon1 deletion mutant was avirulent in the murine inhalation model. These results demonstrate that Mon1 plays a crucial role in stress survival and pathogenicity in C. neoformans.

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