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Published September 24, 1993 | public
Journal Article

Activation of Floral Homeotic Genes in Arabidopsis

Abstract

The identity of floral organs in Arabidopsis thaliana is determined by homeotic genes, which are expressed in specific regions of the developing flower. The initial activation of homeotic genes is accomplished at least in part by the products of two earlier acting genes with overlapping functions. These are the floral meristem—identity genes LEAFY and APETALA1. The requirements of LEAFY and APETALA1 activity vary for different homeotic genes.

Additional Information

© 1993 American Association for the Advancement of Science. 5 May 1993; Accepted 2 July 1993. We thank members of the Meyerowitz lab and S. Alvarez, H. Baribault, J. Bowman, A. Golden, A. Mandel, D. Smyth, P. Sternberg, and M. Yanofsky for critical review of the manuscript; T. Jack for discussing the AP3 expression pattern; T. Jack, A. Mandel, M. Yanofsky, and especially K. Goto for providing probes before publication; and A. Mandel and M. Yanofsky for communicating unpublished results. Supported by the American Cancer Society, California Division, through a Senior Postdoctoral Fellowship (D.W.), the Human Frontier Science Program; and U.S. Department of Energy Division of Energy Biosciences grant DE-FG03-88ER31873 (E.M.M.).

Additional details

Created:
August 20, 2023
Modified:
October 19, 2023