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Caspase proteases are responsible for the regulated disassembly of the cell into apoptotic bodies during mammalian apoptosis. Structural homologues of the caspase family (called metacaspases) are involved in programmed cell death in single-cell eukaryotes, yet the molecular mechanisms that contribute to death are currently undefined. Recent evidence revealed that a programmed cell death process is induced by acetic acid (AA-PCD) in Saccharomyces cerevisiae both in the presence and absence of metacaspase encoding gene YCA1. Here, we report an unexpected role for the yeast metacaspase in protein quality and metabolite control. By using an “omics” approach, we focused our attention on proteins and metabolites differentially modulated en route to AA-PCD either in wild type or YCA1-lacking cells. Quantitative proteomic and metabolomic analyses of wild type and Δyca1 cells identified significant …
Publication date: 
14 Oct 2015

Valentina Longo, Maša Ždralević, Nicoletta Guaragnella, Sergio Giannattasio, Lello Zolla, Anna Maria Timperio

Biblio References: 
Volume: 128 Pages: 173-188
Journal of proteomics