A description of the Mei2-like protein family; structure, phylogenetic distribution and biological context

Jeffares, Daniel C., Phillips, Matthew J., Moore, Stanley, & Veit, Bruce (2004) A description of the Mei2-like protein family; structure, phylogenetic distribution and biological context. Development Genes and Evolution, 214(3), pp. 149-158.

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Abstract

The Schizosaccharomyces pombe Mei2 gene encodes an RNA recognition motif (RRM) protein that stimulates meiosis upon binding a specific non-coding RNA and subsequent accumulation in a “mei2-dot” in the nucleus. We present here the first systematic characterization of the family of proteins with characteristic Mei2-like amino acid sequences. Mei2-like proteins are an ancient eukaryotic protein family with three identifiable RRMs. The C-terminal RRM (RRM3) is unique to Mei2-like proteins and is the most highly conserved of the three RRMs. RRM3 also contains conserved sequence elements at its C-terminus not found in other RRM domains. Single copy Mei2-like genes are present in some fungi, in alveolates such as Paramecium and in the early branching eukaryote Entamoeba histolytica, while plants contain small families of Mei2-like genes. While the C-terminal RRM is highly conserved between plants and fungi, indicating conservation of molecular mechanisms, plant Mei2-like genes have changed biological context to regulate various aspects of developmental pattern formation.

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ID Code: 59865
Item Type: Journal Article
Refereed: Yes
DOI: 10.1007/s00427-004-0384-6
ISSN: 0949-944X
Divisions: Current > Schools > School of Earth, Environmental & Biological Sciences
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2004 Springer Verlag
Deposited On: 10 May 2013 02:32
Last Modified: 12 May 2013 23:59

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