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Combination of Cyclamen persicum Mill. floral gene promoters and chimeric repressors for the modification of ornamental traits in Torenia fournieri Lind.

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Horticulture Research 2017年第1期4卷 324-334页

作者： Ichiro Kasajima norihiro ohtsubo Katsutomo Sasaki Institute of Vegetable and Floriculture Science National Agriculture and Food Research Organization(NARO)Ibaraki305-8519Japan Department of Agriculture Iwate UniversityIwate 020-8550Japan Graduate School of Life and Environmental Sciences Kyoto Prefectural UniversityKyoto 606-8522Japan

Although chimeric repressors such as the Arabidopsis TCP3 repressor are known to have significant effects on flower morphology and color,their cellular-level effects on flower petals are not *** promoter sequences of the genes expressed in the flowers of cyclamen,a representative potted flower grown during the winter season,are also ***,we isolated eight promoters from cyclamen genes that are reportedly expressed in the *** promoters were then fused to four chimeric repressors and introduced into the model flower torenia to screen for effective combinations of promoters and repressors for flower *** expected,some of the constructs altered flower phenotypes upon *** further analyzed the effects of chimeric repressors at the cellular *** observed that complicated petal and leaf serrations were accompanied by excessive vascular *** in purple anthocyanin was inferred to result in bluish flowers,and imbalanced cell proliferation appeared to result in epinastic ***,the genetic constructs and phenotypic changes described in this report will benefit the future breeding and characterization of ornamental flowers.

关键词： traits flowers breeding

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