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

Vrebalov, Julia, Ruezinsky, Diane, Padmanabhan, Veeraragavan, White, Ruth, Medrano, Diana, Drake, Rachel, Schuch, Wolfgang, Giovannoni, Jim·2002·Science

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.

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Metadata

Authors
Vrebalov, J., Ruezinsky, D., Padmanabhan, V., White, R., Medrano, D., Drake, R., Schuch, W., & Giovannoni, J.
Venue
Science
Published
2002-04-12
Volume
296
Issue
5566
Pages
343-346
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2089283973
Cited by
1,139
References
0
FWCI
20.45
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: A MADS-Box Gene Necessary for Fruit Ripening at the Tomato Ripening-Inhibitor ( Rin ) Locus. https://app.cochat.ai/papers/10.1126/science.1068181
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Vrebalov, J., Ruezinsky, D., Padmanabhan, V., White, R., Medrano, D., Drake, R., Schuch, W., & Giovannoni, J. (2002). A MADS-Box Gene Necessary for Fruit Ripening at the Tomato Ripening-Inhibitor ( Rin ) Locus. Science. https://doi.org/10.1126/science.1068181

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