Changes in regulation of a transcription factor lead to autogamy in cultivated tomatoes

Kai Yi Chen, Bin Cong, Rod Wing, Julia Vrebalov, Steven D. Tanksley

Research output: Contribution to journalArticle

91 Scopus citations

Abstract

We report the cloning of Style2.1, the major quantitative trait locus responsible for a key floral attribute (style length) associated with the evolution of self-pollination in cultivated tomatoes. The gene encodes a putative transcription factor that regulates cell elongation in developing styles. The transition from cross-pollination to self-pollination was accompanied, not by a change in the STYLE2.1 protein, but rather by a mutation in the Style2.1 promoter that results in a down-regulation of Style2.1 expression during flower development.

Original languageEnglish (US)
Pages (from-to)643-645
Number of pages3
JournalScience
Volume318
Issue number5850
DOIs
StatePublished - Oct 26 2007

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