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Gcn5 histone acetyltransferase is present in the mitoplasts.


ABSTRACT: In Saccharomyces cerevisiae the Lysine-acetyltransferase Gcn5 (KAT2) is part of the SAGA complex and is responsible for histone acetylation widely or at specific lysines. In this paper we report that GCN5 deletion differently affects the growth of two strains. The defective mitochondrial phenotype is related to a marked decrease in mtDNA content, which also involves the deletion of specific regions of the molecule. We also show that in wild-type mitochondria the Gcn5 protein is present in the mitoplasts, suggesting a new mitochondrial function independent from the SAGA complex and possibly a new function for this protein connecting epigenetics and metabolism.

SUBMITTER: Montanari A 

PROVIDER: S-EPMC6398455 | biostudies-literature | 2019 Feb

REPOSITORIES: biostudies-literature

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Gcn5 histone acetyltransferase is present in the mitoplasts.

Montanari Arianna A   Leo Manuela M   De Luca Veronica V   Filetici Patrizia P   Francisci Silvia S  

Biology open 20190218 2


In <i>Saccharomyces cerevisiae</i> the Lysine-acetyltransferase Gcn5 (KAT2) is part of the SAGA complex and is responsible for histone acetylation widely or at specific lysines. In this paper we report that <i>G</i> <i>CN5</i> deletion differently affects the growth of two strains. The defective mitochondrial phenotype is related to a marked decrease in mtDNA content, which also involves the deletion of specific regions of the molecule. We also show that in wild-type mitochondria the Gcn5 protei  ...[more]

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