Chalcone synthase cosuppression phenotypes in petunia flowers: comparison of sense vs. antisense constructs and single-copy vs. complex T-DNA sequences.

Abstract excerpt

Flower pigmentation patterns were scored in 185 sense Chalcone synthase (Chs) transgenotes and 85 antisense Chs transgenotes; upon first flowering, 139 (75%) of sense transgenotes were found to be phenotypically altered, as were 70 (82%) of the antisense transgenotes. The observed patterns document the range of phenotypic variations that occur, as well as confirm and extend the finding that sense Chs constructs...

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