Identification of genes responsive to brown planthopper Nilaparvata lugens Stål (Homoptera: Delphacidae) feeding in rice

被引:1
作者
Hongyu Yuan
Xinping Chen
Lili Zhu
Guangcun He
机构
[1] Wuhan University,Key Laboratory of the Ministry of Education for Plant Developmental Biology, College of Life Sciences
来源
Planta | 2005年 / 221卷
关键词
Brown planthopper; Insect–plant interaction; Gene expression;
D O I
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中图分类号
学科分类号
摘要
The brown planthopper (Nilaparvata lugens Stål) is a rice (Oryza sativa L.)-specific herbivore that ingests assimilates from the phloem, which leads to stunted growth and therefore poor yield of rice. In this study, 27 planthopper-responsive genes in rice plants were isolated by suppression subtractive hybridization (SSH), and confirmed by filter cDNA array hybridization and northern blot analysis. Among these transcripts, 25 were induced and 2 were suppressed by N. lugens feeding. The responsive genes are involved in photosynthesis, macromolecule degradation, signal transduction and defenses against stress and pathogens. Overall, genes involved in macromolecule degradation and plant defenses were up-regulated, whereas those involved in photosynthesis and cell growth were down-regulated. Our data suggest that leaf senescence is most likely activated in the susceptible rice plants damaged by N. lugens insects.
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页码:105 / 112
页数:7
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