Virus-induced overexpression of heterologous FLOWERING LOCUS T for efficient speed breeding in tomato.
Virus-induced overexpression of heterologous FLOWERING LOCUS T for efficient speed breeding in tomato.
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DOI:
10.1093/jxb/erad369
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发表时间:
2024-01-01
影响因子:
6.9
通讯作者:
Baulcombe, David C.
中科院分区:
文献类型:
--
作者:
Deng, Yingtian;Yarur-Thys, Antonia;Baulcombe, David C.
Potato virus X (PVX) vectors expressing the Arabidopsis thaliana FLOWERING LOCUS T (FT) or tomato FT ortholog SINGLE-FLOWER TRUSS (SFT) shortened the generation time in tomato due to accelerated tomato flowering and ripening by 14–21 d, and caused a 2–3-fold increase in the number of flowers and fruits, compared with non-infected or empty vector-infected plants. The Arabidopsis FT was more effective than the tomato orthologue SFT and there was no alteration of the flower or fruit morphology. The virus was not transmitted to the next generation; therefore viral vectors with expression of a heterologous FT will be a useful approach to speed breeding in tomato and other species. Potato virus X-induced overexpression of Arabidopsis FLOWERING LOCUS T (FT ) and tomato SINGLE-FLOWER TRUSS (SFT ) accelerated tomato flowering and ripening, with FT being more effective than the endogenous SFT.
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