本周推荐(7)
| 06月 29th, 2007 | by zhongtiannongmin | 玉米的另外一个QTL Vgt1终于被图位克隆:
Salvi S, Sponza G, Morgante M, Tomes D, Niu
X, Fengler KA, Meeley R, Ananiev EV, Svitashev S, Bruggemann E, Li
B, Hainey CF, Radovic S, Zaina G, Rafalski JA, Tingey SV, Miao GH,
Phillips RL, Tuberosa R.
Conserved noncoding genomic sequences associated with a
flowering-time quantitative trait locus in maize.
Proc Natl Acad Sci U S A. 2007 Jun 26; [Epub ahead of
print]
X, Fengler KA, Meeley R, Ananiev EV, Svitashev S, Bruggemann E, Li
B, Hainey CF, Radovic S, Zaina G, Rafalski JA, Tingey SV, Miao GH,
Phillips RL, Tuberosa R.
Conserved noncoding genomic sequences associated with a
flowering-time quantitative trait locus in maize.
Proc Natl Acad Sci U S A. 2007 Jun 26; [Epub ahead of
print]
NIL精细定位,关联分析找功能位点,超表达或者RNAi进一步验证功能!几乎成了数量性状基因的流程操作!尽管作者对关联分析好象有点担心。
该QTL给我们的几点重要启示:
1。非编码序列也有重要功能?!
2。小RNA具有重要作用?
上次玉米会议碰到该课题组的一个研究生,基于此材料,他们已经构建了几十个IL系,Vgt2-6的克隆已经在进行之中!!玉米QTL克隆的报道将如雨后春笋!!!
