Yeast centrin Cdc31 is linked to the nuclear mRNA export machinery

Tamás Fischer; Susana Rodríguez-Navarro; Gislene Pereira; Attila Rácz; Elmar Schiebel; Ed Hurt

doi:10.1038/ncb1163

Yeast centrin Cdc31 is linked to the nuclear mRNA export machinery

Tamás Fischer, Susana Rodríguez-Navarro, Gislene Pereira, Attila Rácz, Elmar Schiebel, Ed Hurt^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

151 Citations (Scopus)

Abstract

Centrins are calmodulin-like proteins that function in the duplication of microtubule-organizing centres. Here we describe a new function of the yeast centrin Cdc31. We show that overproduction of a sequence, termed CID, in the carboxy-terminal domain of the nuclear export factor Sac3 titrates Cdc31, causing a dominant-lethal phenotype and a block in spindle pole body (SPB) duplication. Under normal conditions, the CID motif recruits Cdc31 and Sus1 (a subunit of the SAGA transcription complex) to the Sac3-Thp1 complex, which functions in mRNA export together with specific nucleoporins at the nuclear basket. A previously reported cdc31 temperature-sensitive allele, which is neither defective in SPB duplication nor Kic1 kinase activation, induces mRNA export defects. Thus, Cdc31 has an unexpected link to the mRNA export machinery.

Original language	English
Pages (from-to)	840-848
Number of pages	9
Journal	Nature Cell Biology
Volume	6
Issue number	9
DOIs	https://doi.org/10.1038/ncb1163
Publication status	Published - Sept 2004
Externally published	Yes

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abstract = "Centrins are calmodulin-like proteins that function in the duplication of microtubule-organizing centres. Here we describe a new function of the yeast centrin Cdc31. We show that overproduction of a sequence, termed CID, in the carboxy-terminal domain of the nuclear export factor Sac3 titrates Cdc31, causing a dominant-lethal phenotype and a block in spindle pole body (SPB) duplication. Under normal conditions, the CID motif recruits Cdc31 and Sus1 (a subunit of the SAGA transcription complex) to the Sac3-Thp1 complex, which functions in mRNA export together with specific nucleoporins at the nuclear basket. A previously reported cdc31 temperature-sensitive allele, which is neither defective in SPB duplication nor Kic1 kinase activation, induces mRNA export defects. Thus, Cdc31 has an unexpected link to the mRNA export machinery.",

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AU - Fischer, Tamás

AU - Rodríguez-Navarro, Susana

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AU - Rácz, Attila

AU - Schiebel, Elmar

AU - Hurt, Ed

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Yeast centrin Cdc31 is linked to the nuclear mRNA export machinery

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