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Nature. 1996 Feb 29;379(6568):791-7.

Control of inflorescence architecture in Antirrhinum.

Author information

1
Genetics Department, John Innes Centre, Norwich, UK.

Abstract

Flowering plants exhibit two types of inflorescence architecture: determinate and indeterminate. The centroradialis mutation causes the normally indeterminate inflorescence of Antirrhinum to terminate in a flower. We show that centroradialis is expressed in the inflorescence apex a few days after floral induction, and interacts with the floral-meristem-identity gene floricaula to regulate flower position and morphology. The protein CEN is similar to animal proteins that associate with lipids and GTP-binding proteins. We propose a model for how different inflorescence structures may arise through the action and evolution of centroradialis.

PMID:
8587601
DOI:
10.1038/379791a0
[Indexed for MEDLINE]

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