Changes in Regulation of a Transcription Factor Lead to Autogamy in Cultivated Tomatoes
- 26 October 2007
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 318 (5850) , 643-645
- https://doi.org/10.1126/science.1148428
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.Keywords
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