Protein domain evolution is associated with reproductive diversification and adaptive radiation in the genus Eucalyptus

© 2014 University of Pretoria New Phytologist © 2014 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 206(2015), 4 vom: 12. Juni, Seite 1328-36
1. Verfasser: Kersting, Anna R (VerfasserIn)
Weitere Verfasser: Mizrachi, Eshchar, Bornberg-Bauer, Erich, Myburg, Alexander A
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Eucalyptus expansion flower gene expression protein domains root rosids Plant Proteins Proteome
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520 |a Eucalyptus is a pivotal genus within the rosid order Myrtales with distinct geographic history and adaptations. Comparative analysis of protein domain evolution in the newly sequenced Eucalyptus grandis genome and other rosid lineages sheds light on the adaptive mechanisms integral to the success of this genus of woody perennials. We reconstructed the ancestral domain content to elucidate the gain, loss and expansion of protein domains and domain arrangements in Eucalyptus in the context of rosid phylogeny. We used functional gene ontology (GO) annotation of genes to investigate the possible biological and evolutionary consequences of protein domain expansion. We found that protein modulation within the angiosperms occurred primarily on the level of expansion of certain domains and arrangements. Using RNA-Seq data from E. grandis, we showed that domain expansions have contributed to tissue-specific expression of tandemly duplicated genes. Our results indicate that tandem duplication of genes, a key feature of the Eucalyptus genome, has played an important role in the expansion of domains, particularly in proteins related to the specialization of reproduction and biotic and abiotic interactions affecting root and floral biology, and that tissue-specific expression of proteins with expanded domains has facilitated subfunctionalization in domain families 
650 4 |a Journal Article 
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700 1 |a Mizrachi, Eshchar  |e verfasserin  |4 aut 
700 1 |a Bornberg-Bauer, Erich  |e verfasserin  |4 aut 
700 1 |a Myburg, Alexander A  |e verfasserin  |4 aut 
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773 1 8 |g volume:206  |g year:2015  |g number:4  |g day:12  |g month:06  |g pages:1328-36 
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