A MADS-Box Gene Necessary for Fruit Ripening at the Tomato Ripening-Inhibitor ( Rin ) Locus-Reference-Cited by-同舟云学术

A MADS-Box Gene Necessary for Fruit Ripening at the Tomato Ripening-Inhibitor ( Rin ) Locus

Published:2002-04-12 Issue:5566 Volume:296 Page:343-346
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Vrebalov Julia¹²,Ruezinsky Diane²,Padmanabhan Veeraragavan²,White Ruth¹²,Medrano Diana¹²,Drake Rachel³,Schuch Wolfgang³,Giovannoni Jim¹

Affiliation:

1. U.S. Department of Agriculture–Agricultural Research Service (USDA-ARS) Plant, Soil and Nutrition Lab and Boyce Thompson Institute for Plant Research, Cornell University, Ithaca, NY 14853, USA.

2. Texas A&M University, Department of Horticultural Sciences, College Station, TX 77843, USA.

3. Zeneca Plant Sciences (Syngenta), Jeallots Hill Research Station, Bracknell, Berkshire RG12 6EY, UK.

Abstract

Tomato plants harboring the ripening - inhibitor ( rin ) mutation yield fruits that fail to ripen. Additionally, rin plants display enlarged sepals and loss of inflorescence determinacy. Positional cloning of the rin locus revealed two tandem MADS-box genes ( LeMADS - RIN and LeMADS - MC ), whose expression patterns suggested roles in fruit ripening and sepal development, respectively. The rin mutation alters expression of both genes. Gene repression and mutant complementation demonstrate that LeMADS - RIN regulates ripening, whereas LeMADS - MC affects sepal development and inflorescence determinacy. LeMADS - RIN demonstrates an agriculturally important function of plant MADS-box genes and provides molecular insight into nonhormonal (developmental) regulation of ripening.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference27 articles.

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