花生MOTHER OF FT(MFT)基因编码一种磷脂酰乙醇胺结合蛋白PEBP,含有单一保守的结构域,属于PEBP家族的一员。Chardon等人对植物PEBP基因家族进行了系统分析,这个大家族主要包括3个亚家族:FT-like、TFL-like和MFT-like亚家族。FT-like亚家族有2个成员:FT (FLOWERING LOCUS T)和TSF(TWIN SISTER OF FT);MFT-like亚家族只有一个成员,即MFT (MOTHER OF FTAND TFLl);TFL-like亚家族则有三个成员,分别是TFLl (TERMINAL FLOWERl)、ATC (ARABIDOPSIS CENTRORADIALIS HOMOLOGUE)和BFT (BROTHER OF FTANDTFL1)。FT是植物开花的诱导因子,TFL抑制植物从营养生长向生殖生长转变,延迟植物开花,两者的比例控制植物有限生长和无限生长的平衡。据有关报道得知MFT与FT功能相似,具有冗余的成花诱导作用,促进植物开花和种子萌发。由于对MFT功能的研究较少,因此可以通过已知的FT的功能展开对MFT的研究。
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【英文摘要】
MOTHER OF FT(MFT)of Arachis hypogaea L. encodes a phosphatidylethanolamine–binding protein PEBP, and has a conserved domain, belonging to thePEBP gene family. Chardon et al. systematically analyzed the PEBP gene familay inplant, and found that this family includes three subfamilies: FT-like, TFL-like andMFT-like. FT-like subfamily has two members: FT (FLOWERING LOCUS T) andTSF (TWIN SISTER OF FT). TFL-like subfamily has three members: TFLl(TERMINAL FLOWERl)、ATC (ARABIDOPSIS CENTRORADIALIS HOMOLOGUE)and BFT ...