A MADS-box gene necessary for fruit ripening at the tomato ripening-inhibitor (Rin) locus

被引：924

作者：

Vrebalov, J

Ruezinsky, D

Padmanabhan, V

White, R

Medrano, D

Drake, R

Schuch, W

Giovannoni, J ^{[1
]}

机构：

[1] ARS, USDA, Plant Soil & Nutr Lab, Ithaca, NY 14853 USA

[2] Cornell Univ, Boyce Thompson Inst Plant Res, Ithaca, NY 14853 USA

[3] Texas A&M Univ, Dept Hort Sci, College Stn, TX 77843 USA

[4] Zeneca Plant Sci Syngenta, Jeallots Hill Res Stn, Bracknell RG12 6EY, Berks, England

来源：

SCIENCE | 2002年 / 296卷 / 5566期

关键词：

D O I：

10.1126/science.1068181

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

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.

引用

页码：343 / 346

页数：4

共 21 条

[1] MADS-box gene evolution beyond flowers: expression in pollen, endosperm, guard cells, roots and trichomes [J].

Alvarez-Buylla, ER ;

Liljegren, SJ ;

Pelaz, S ;

Gold, SE ;

Burgeff, C ;

Ditta, GS ;

Vergara-Silva, F ;

Yanofsky, MF .

PLANT JOURNAL, 2000, 24 (04) :457-466

[2]

Fillatti J. J., 1987, Tomato biotechnology. Proceedings of a symposium held at the University of California, Davis, California, August 20-22, 1986, P199

[3] Molecular biology of fruit maturation and ripening [J].