High-efficiency cloning of Arabidopsis full-length cDNA by biotinylated CAP trapper

被引:184
作者
Seki, M
Carninci, P
Nishiyama, Y
Hayashizaki, Y
Shinozaki, K
机构
[1] RIKEN, Inst Phys & Chem Res, Plant Mol Biol Lab, Tsukuba Life Sci Ctr, Tsukuba, Ibaraki 3050074, Japan
[2] RIKEN, Inst Phys & Chem Res, Genome Sci Lab, Tsukuba Life Sci Ctr, Tsukuba, Ibaraki 3050074, Japan
[3] JST, CREST, Kawaguchi, Saitama 332, Japan
关键词
D O I
10.1046/j.1365-313x.1998.00237.x
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Full-length cDNAs are essential for functional analysis of plant genes. We constructed high-content, full-length cDNA libraries from Arabidopsis thaliana plants based on chemical introduction of a biotin group into the diol residue of the CAP structure of eukaryotic mRNA, followed by RNase I treatment, to select full-length cDNA. More than 90% of the total clones obtained were of full length; recombinant clones were obtained with high efficiency (2.2 x 10(6)/9 mu g starting mRNA). Sequence analysis of 111 randomly picked clones indicated that 32 isolated cDNA groups were derived from novel genes in the A. thaliana genome.
引用
收藏
页码:707 / 720
页数:14
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