ArticleCurrent genetics2008
Nuclear export of Ho endonuclease of yeast via Msn5.
Article in Current genetics, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 16 citations in OpenAlex.
- Unravel the regulatory mechanism of Yrr1p phosphorylation in response to vanillin stress in Saccharomyces cerevisiae.Microbial cell factories · 2023Article
- Karyopherin Msn5 is involved in a novel mechanism controlling the cellular level of cell cycle regulators Cln2 and Swi5.Cell cycle (Georgetown, Tex.) · 2019Article
- tRNA Processing and Subcellular Trafficking Proteins Multitask in Pathways for Other RNAs.Frontiers in genetics · 2019Review
- Casein Kinase I Isoform Hrr25 Is a Negative Regulator of Haa1 in the Weak Acid Stress Response Pathway in Saccharomyces cerevisiae.Applied and environmental microbiology · 2017Article
- Catalytically Active Proteasomes Function Predominantly in the Cytosol.The Journal of biological chemistry · 2016Article
- Genome-wide investigation of the role of the tRNA nuclear-cytoplasmic trafficking pathway in regulation of the yeast Saccharomyces cerevisiae transcriptome and proteome.Molecular and cellular biology · 2013Article
- The yeast nuclear pore complex and transport through it.Genetics · 2012Article
- The karyopherin Kap95 and the C-termini of Rfa1, Rfa2, and Rfa3 are necessary for efficient nuclear import of functional RPA complex proteins in Saccharomyces cerevisiae.DNA and cell biology · 2011Article
- Common genetic pathways regulate organ-specific infection-related development in the rice blast fungus.The Plant cell · 2010Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Exportin-5, an evolutionarily conserved nuclear export factor of the beta-karyopherin family, exports phosphorylated proteins and small noncoding RNAs. Msn5, the yeast ortholog, exports primarily phosphorylated cargoes including Ho endonuclease and a number of transcription factors and regulatory proteins. The Msn5-mediated nuclear export of Ho is dependent on phosphorylation of Thr225 by kinases of the DNA damage response pathway. Although Msn5 has been the object of many studies, no NES sequence capable of binding the exportin and/or of leading to Msn5-dependent export of a heterologous protein has been identified. Here we report identification of a 13-residue Ho sequence that interacts with Msn5 in vitro and directs Msn5-dependent nuclear export of GFP in vivo. A single point mutation in this 13-mer Ho NES abrogates both interaction with Msn5 and nuclear export of Ho and of GFP. However, this mutation, or of T225A, both of which abrogate nuclear export of Ho, does not interfere with its interaction with Msn5 implying that the exportin makes multiple contacts with its cargo. This can explain the lack of a conserved NES in Msn5 cargoes. Our results identify essential criteria for Msn5-mediated nuclear export of Ho: phosphorylation on HoT225, and interaction with the 13-mer Ho NES sequence.
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