A NewBRACTEA(BRA) Gene Controlling the Formation of an Indeterminate Bractless Inflorescence in Arabidopsis thaliana

A NewBRACTEA(BRA) Gene Controlling the Formation of an Indeterminate Bractless Inflorescence in... The morphological and genetic studies of the bramutant of Arabidopsis thaliana(L.) Heynh. from the collection of the Department of Genetics and Breeding, Moscow State University, showed that the BRAgene controls the major stages of inflorescence development: it suppresses the development of leaves subtending flowers (bracts) and inhibits the formation of the terminal flower. Inactivation of the BRAgene leads to the transition from the indeterminate bractless inflorescence characteristic of the family Cruciferaceae to the determinate bracteose inflorescence. It is suggested that the BRAgene is a regulator gene probably involved in the conversion of the bracteose determinate inflorescence to the indeterminate ebracteate inflorescence during the origin of ancestral crucifers. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

A NewBRACTEA(BRA) Gene Controlling the Formation of an Indeterminate Bractless Inflorescence in Arabidopsis thaliana

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Publisher
Kluwer Academic Publishers-Plenum Publishers
Copyright
Copyright © 2001 by MAIK “Nauka/Interperiodica”
Subject
Biomedicine; Human Genetics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1023/A:1016746909769
Publisher site
See Article on Publisher Site

Abstract

The morphological and genetic studies of the bramutant of Arabidopsis thaliana(L.) Heynh. from the collection of the Department of Genetics and Breeding, Moscow State University, showed that the BRAgene controls the major stages of inflorescence development: it suppresses the development of leaves subtending flowers (bracts) and inhibits the formation of the terminal flower. Inactivation of the BRAgene leads to the transition from the indeterminate bractless inflorescence characteristic of the family Cruciferaceae to the determinate bracteose inflorescence. It is suggested that the BRAgene is a regulator gene probably involved in the conversion of the bracteose determinate inflorescence to the indeterminate ebracteate inflorescence during the origin of ancestral crucifers.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Oct 16, 2004

References

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