Yca1 metacaspase: diverse functions determine how yeast live and let die.

Darren K Lam, Gavin Sherlock

FEMS yeast research 2023 Jan 04

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The Yca1 metacaspase was discovered due to its role in the regulation of apoptosis in Saccharomyces cerevisiae. However, the mechanisms that drive apoptosis in yeast remain poorly understood. Additionally, Yca1 and other metacaspase proteins have recently been recognized for their involvement in other cellular processes, including cellular proteostasis and cell cycle regulation. In this minireview, we outline recent findings on Yca1 that will enable the further study of metacaspase multifunctionality and novel apoptosis pathways in yeast and other nonmetazoans. In addition, we discuss advancements in high-throughput screening technologies that can be applied to answer complex questions surrounding the apoptotic and nonapoptotic functions of metacaspase proteins across a diverse range of species. © The Author(s) 2023. Published by Oxford University Press on behalf of FEMS.