A stress-responsive gene from groundnut, Gdi-15, is homologous to flavonol 3-O-glucosyltransferase involved in anthocyanin biosynthesis

被引:25
作者
Gopalakrishna, R
Kumar, G
KrishnaPrasad, BT
Mathew, MK
Kumar, MU [1 ]
机构
[1] Univ Agr Sci Bangalore, Dept Crop Physiol, Bangalore 560065, Karnataka, India
[2] TIFR Ctr, Natl Ctr Biol Sci, Bangalore 560065, Karnataka, India
关键词
desiccation stress; groundnut; Gdi; subtractive hybridisation; anthocyanin;
D O I
10.1006/bbrc.2001.4992
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Stress-tolerant crops are expected to express genes not normally expressed in susceptible crops. We have used desiccation stress coupled with high light intensity to identify groundnut as a relatively tolerant crop. Stress-responsive genes (Gdi, Groundnut Desiccation Induced) were cloned by subtractive hybridisation. The sequence of Gdi-15 shows homology to flavonol 3-O-glucosyltransferases, which are involved in anthocyanin biosynthesis. Gdi-15 transcripts increase markedly in response to stress, suggestive of a role in stress tolerance. (C) 2001 Academic Press.
引用
收藏
页码:574 / 579
页数:6
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