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|標題:||Late-flowering genes interact with early-flowering genes to regulate flowering time in Arabidopsis thaliana||作者:||Chon, M.L.
|關鍵字:||Arabidopsis thaliana;double mutants;early flowering mutants;late-flowering mutants;shoot development;emf genes;mutants;vernalization;mutations;locus||Project:||Plant and Cell Physiology||期刊/報告no：:||Plant and Cell Physiology, Volume 40, Issue 7, Page(s) 702-708.||摘要:||
To investigate the genetic mechanisms regulating the transition from the vegetative to reproductive growth in Arabidopsis, double mutants between three different early-flowering mutants, early flowering 1-1, 2-1, 3-1, (elf 1-1, 2-1, 3-1) and five different late-flowering mutants, gi-1, ft-1, fwa-1, ld-1, and fca-9, were constructed and phenotypes analyzed. Double mutants in all combinations displayed the late-flowering phenotypes which resembled their respective late-flowering parents in both flowering time and the number of vegetative leaves produced. The results indicate that five late-flowering mutants are epistatic to all three early-flowering mutants tested here, This epistatic relationship suggests that ELF1, ELF2, and ELF3 genes function upstream of these five late-flowering genes no matter if they are functioning in autonomous or photoperiod pathways. These three early-flowering genes may negatively modify the activity of most late-flowering genes to influence the time of the vegetative-to-reproductive transition in Arabidopsis.
|Appears in Collections:||生物科技學研究所|
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