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The Ph1 locus suppresses Cdk2-type activity during premeiosis and meiosis in wheat
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Greer, E., Martin, A. C., Pendle, A., Colas, I., Jones, Alexandra M., Moore, G. and Shaw, P. (2012) The Ph1 locus suppresses Cdk2-type activity during premeiosis and meiosis in wheat. The Plant Cell, Volume 24 (Number 1). pp. 152-162. doi:10.1105/tpc.111.094771 ISSN 1040-4651.
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Official URL: http://dx.doi.org/10.1105/tpc.111.094771
Abstract
Despite possessing multiple sets of related (homoeologous) chromosomes, hexaploid wheat (Triticum aestivum) restricts pairing to just true homologs at meiosis. Deletion of a single major locus, Pairing homoeologous1 (Ph1), allows pairing of homoeologs. How can the same chromosomes be processed as homologs instead of being treated as nonhomologs? Ph1 was recently defined to a cluster of defective cyclin-dependent kinase (Cdk)-like genes showing some similarity to mammalian Cdk2. We reasoned that the cluster might suppress Cdk2-type activity and therefore affect replication and histone H1 phosphorylation. Our study does indeed reveal such effects, suggesting that Cdk2-type phosphorylation has a major role in determining chromosome specificity during meiosis.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- ) | ||||
Journal or Publication Title: | The Plant Cell | ||||
Publisher: | American Society of Plant Biologists | ||||
ISSN: | 1040-4651 | ||||
Official Date: | 24 January 2012 | ||||
Dates: |
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Volume: | Volume 24 | ||||
Number: | Number 1 | ||||
Page Range: | pp. 152-162 | ||||
DOI: | 10.1105/tpc.111.094771 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Open Access (Creative Commons) |
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