Functional Conservation between CRABS CLAW Orthologues from Widely Diverged Angiosperms | Zendy

Chloé Fourquin | Zendy; Marion Vinauger-Douard | Zendy; Pierre Chambrier | Zendy; Annick Berne-Dedieu | Zendy; Charles P. Scutt | Zendy

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Functional Conservation between CRABS CLAW Orthologues from Widely Diverged Angiosperms

Author(s) -

Chloé Fourquin,

Marion Vinauger-Douard,

Pierre Chambrier,

Annick Berne-Dedieu,

Charles P. Scutt

Publication year - 2007

Publication title -

annals of botany

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.567

H-Index - 176

eISSN - 1095-8290

pISSN - 0305-7364

DOI - 10.1093/aob/mcm136

Subject(s) - biology , arabidopsis , gynoecium , phenotype , genetics , mutant , gene , complementation , arabidopsis thaliana , eudicots , most recent common ancestor , botany , phylogenetics , stamen , pollen , taxonomy (biology)

CRABS CLAW (CRC) encodes a transcription factor of the YABBY family that plays important roles in carpel and nectary development in Arabidopsis thaliana. Combined evolutionary and developmental studies suggest an ancestor of the CRC gene to have controlled carpel development in the last common ancestor of the angiosperms. Roles for CRC orthologues in leaf development and carpel specification in rice, and in nectary development in core eudicots, have accordingly been interpreted as derived. The aim of this study was to assess the capacity of CRC orthologues from a basal angiosperm and from rice to complement CRC mutants of arabidopsis. These experiments were designed to test the hypothesized ancestral role of CRC in the angiosperms, and to indicate whether putatively novel roles of various CRC orthologues resulted from changes to their encoded proteins, or from other molecular evolutionary events.

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