Human OVCA2 and its homolog FSH3-induced apoptosis in Saccharomyces cerevisiae.

Mammalian ovarian tumor suppressor candidate 2 (OVCA2) gene belongs to the family of serine hydrolase (FSH). This study aimed to elucidate the functional similarities of OVCA2 with its yeast homolog genes (FSH1, FSH2, and FSH3) regarding apoptosis. We found that the expression of OVCA2 in Saccharomyces cerevisiae increased production of reactive oxygen species (ROS), decreased cell growth, disturbed mitochondrial morphology, reduced membrane potential, increased chromatin condensation, and externalization of phosphatidylserine (PS) (annexin V/propidium iodide staining) indicating induced apoptotic cell death in yeast. We also showed that complementation of OVCA2 in fsh3Δ cells reduced cell growth and increased the apoptotic phenotypes. Collectively, our results suggest that complementation of human OVCA2 in fsh3Δ cells induced apoptosis in S. cerevisiae.

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Ramachandran Gowsalya, Chidambaram Ravi, Vasanthi Nachiappan. Human OVCA2 and its homolog FSH3-induced apoptosis in Saccharomyces cerevisiae. Current genetics. 2021 Aug;67(4):631-640

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PMID: 33715035

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