A Conserved Mutation in an Ethylene Biosynthesis Enzyme Leads to Andromonoecy in Melons-Reference-Cited by-同舟云学术

A Conserved Mutation in an Ethylene Biosynthesis Enzyme Leads to Andromonoecy in Melons

Published:2008-08-08 Issue:5890 Volume:321 Page:836-838
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Boualem Adnane¹²³⁴⁵,Fergany Mohamed¹²³⁴⁵,Fernandez Ronan¹²³⁴⁵,Troadec Christelle¹²³⁴⁵,Martin Antoine¹²³⁴⁵,Morin Halima¹²³⁴⁵,Sari Marie-Agnes¹²³⁴⁵,Collin Fabrice¹²³⁴⁵,Flowers Jonathan M.¹²³⁴⁵,Pitrat Michel¹²³⁴⁵,Purugganan Michael D.¹²³⁴⁵,Dogimont Catherine¹²³⁴⁵,Bendahmane Abdelhafid¹²³⁴⁵

Affiliation:

1. INRA (Institut National de la Recherche Agronomique)–CNRS, UMR1165, Unité de Recherche en Génomique Végétale, 2 rue Gaston Crémieux, F-91057 Evry, France.

2. INRA, UR501, Laboratoire de Biologie Cellulaire, Institut Jean Pierre Bourgin, F-78026 Versailles, France.

3. CNRS, UMR 8601, Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologiques, Université René Descartes, 45 Rue des Saint-Pères, F-75270 Paris Cedex 06, France.

4. Department of Biology, Center for Genomics and Systems Biology, 100 Washington Square East, New York University, New York, NY 10003, USA.

5. INRA, UR 1052, Unité de Génétique et d'Amélioration des Fruits et Légumes, BP 94, F-84143 Montfavet, France.

Abstract

Andromonoecy is a widespread sexual system in angiosperms characterized by plants carrying both male and bisexual flowers. In melon, this sexual form is controlled by the identity of the alleles at the andromonoecious ( a ) locus. Cloning of the a gene reveals that andromonoecy results from a mutation in the active site of 1-aminocyclopropane-1-carboxylic acid synthase. Expression of the active enzyme inhibits the development of the male organs and is not required for carpel development. A causal single-nucleotide polymorphism associated with andromonoecy was identified, which suggests that the a allele has been under recent positive selection and may be linked to the evolution of this sexual system.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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