Essential function of Aco2, a fusion protein of aconitase and mitochondrial ribosomal protein bL21, in mitochondrial translation in fission yeast

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possible interaction between aconitase and a mitochondrial ribosomal protein was suggested in a genome-wide interactome study. In fission yeast Schizosaccharomyces pombe, the aco(2+) gene encodes a fusion protein between aconitase and a putative mitochondrial ribosomal protein bL21 (Mrpl49). Two types of aco(2+) transcripts are generated via alternative poly (A) site selection, producing both a single aconitase domain protein and the fusion form. The bL21-fused Aco2 protein resides in mitochondria as well as in the cytosol and the nucleus. The viability defect of aco2 mutation is complemented not by the aconitase domain but by the bL21 domain, which enables mitochondrial translation.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2015-03
Language
English
Article Type
Article
Keywords

SCHIZOSACCHAROMYCES-POMBE; SACCHAROMYCES-CEREVISIAE; RNA-BINDING; DNA; EFFICIENCY; GENOME

Citation

FEBS LETTERS, v.589, no.7, pp.822 - 828

ISSN
0014-5793
DOI
10.1016/j.febslet.2015.02.015
URI
http://hdl.handle.net/10203/198242
Appears in Collection
BS-Journal Papers(저널논문)
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