The COl1 and DFR genes are essential for regulation of jasmonate-induced anthocyanin accumulation in Arabidopsis

被引:19
作者
Chen, Qin-Fang
Dai, Liang-Ying [1 ]
Xiao, Shi
Wang, Yun-Sheng
Liu, Xiong-Lun
Wang, Guo-Liang
机构
[1] Hunan Agr Univ, Coll Biosafety Sci & Technol, Dept Plant Pathol, Changsha 410218, Peoples R China
[2] Hunan Agr Univ, Rice Funct Genom Lab, Changsha 410218, Peoples R China
[3] Ohio State Univ, Dept Plant Pathol, Columbus, OH 43210 USA
关键词
anthocyanin; arabidopsis; COl1; DFR; jasmonates;
D O I
10.1111/j.1744-7909.2007.00490.x
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
Jasmonates (JAs) are a class of plant hormones that play important roles in the regulation of plant development and plant defense. It has been shown that Arabidopsis plants produce much higher levels of anthocyanins when treated exogenously with methyl jasmonate (MeJA). However, a molecular link between the JA response and anthocyanin production has not been determined. The CORONATINE INSENTITIVE1 (Col1) gene is a key player in the regulation of many JA-related responses. In the present study, we demonstrate that the COl1 gene is also required for the JA-induced accumulation of anthocyanins in Arabidopsis. Furthermore, the MeJA-inducible expression of DIHYDROFLAVONOL REDUCTASE (DFR), an essential component in the anthocyanin biosynthesis pathway, was completely eliminated in the coil mutant. Jasmonateinduced anthocyanin accumulation was found to be independent of auxin signaling. The present results indicate that the expression of both COI1 and DFR genes is required for the regulation of JA-induced anthocyanin accumulation and that DFR may be a key downstream regulator for this process.
引用
收藏
页码:1370 / 1377
页数:8
相关论文
共 35 条
[31]   The Arabidopsis male-sterile mutant, opr3, lacks the 12-oxophytodienoic acid reductase required for jasmonate synthesis [J].
Stintzi, A ;
Browse, J .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2000, 97 (19) :10625-10630
[32]   Sucrose-specific induction of anthocyanin biosynthesis in Arabidopsis requires the MYB75/PAP1 gene [J].
Teng, S ;
Keurentjes, J ;
Bentsink, L ;
Koornneef, M ;
Smeekens, S .
PLANT PHYSIOLOGY, 2005, 139 (04) :1840-1852
[33]   COS1:: An Arabidopsis Coronatine insensitive1 suppressor essential for regulation of jasmonate-mediated plant defense and senescence [J].
Xiao, S ;
Dai, LY ;
Liu, FQ ;
Wang, Z ;
Peng, W ;
Xie, DX .
PLANT CELL, 2004, 16 (05) :1132-1142
[34]   COI1:: An Arabidopsis gene required for jasmonate-regulated defense and fertility [J].
Xie, DX ;
Feys, BF ;
James, S ;
Nieto-Rostro, M ;
Turner, JG .
SCIENCE, 1998, 280 (5366) :1091-1094
[35]   The SCFCOl1 ubiquitin-ligase complexes are required for jasmonate response in Arabidopsis [J].
Xu, LH ;
Liu, FQ ;
Lechner, E ;
Genschik, P ;
Crosby, WL ;
Ma, H ;
Peng, W ;
Huang, DF ;
Xie, DX .
PLANT CELL, 2002, 14 (08) :1919-1935