Engineering Pathogen Resistance in Crop Plants: Current Trends and Future Prospects

被引:103
作者
Collinge, David B. [1 ]
Jorgensen, Hans J. L. [1 ]
Lund, Ole S. [1 ]
Lyngkjaer, Michael F. [1 ]
机构
[1] Univ Copenhagen, Fac Life Sci, Dept Plant Biol & Biotechnol, DK-1168 Copenhagen, Denmark
来源
ANNUAL REVIEW OF PHYTOPATHOLOGY, VOL 48 | 2010年 / 48卷
关键词
transgenic disease resistance; RNAi; signal transduction; antimicrobial proteins; plant biotechnology; FUSARIUM HEAD BLIGHT; CONFERS INCREASED RESISTANCE; PAPAYA RINGSPOT VIRUS; TRANSCRIPTION FACTOR; DISEASE RESISTANCE; TRANSGENIC PLANTS; HAIRPIN RNA; TRICHOTHECENE; 3-O-ACETYLTRANSFERASE; MEDIATED RESISTANCE; GENE-EXPRESSION;
D O I
10.1146/annurev-phyto-073009-114430
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Transgenic crops are now grown commercially in 25 countries worldwide. Although pathogens represent major constraints for the growth of many crops, only a tiny proportion of these transgenic crops carry disease resistance traits. Nevertheless, transgenic disease-resistant plants represent approximately 10% of the total number of approved field trials in North America, a proportion that has remained constant for 15 years. In this review, we explore the socioeconomic and biological reasons for the paradox that although technically useful solutions now exist for providing transgenic disease resistance, very few new crops have been introduced to the global market. For bacteria and fungi, the majority of transgenic crops in trials express antimicrobial proteins. For viruses, three-quarters of the transgenics express coat protein (CP) genes. There is a notable trend toward more biologically sophisticated solutions involving components of signal transduction pathays regulating plant defenses. For viruses, RNA interference is increasingly being used.
引用
收藏
页码:269 / 291
页数:23
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