期刊
JOURNAL OF EXPERIMENTAL BOTANY
卷 60, 期 2, 页码 641-650出版社
OXFORD UNIV PRESS
DOI: 10.1093/jxb/ern316
关键词
Host response; Lotus japonicus; Orobanche; Striga; suppression subtractive hybridization
资金
- Japan Society for the Promotion of Science [17405027, 20405026]
- Sumitomo Foundation
- Grants-in-Aid for Scientific Research [20405026, 17405027] Funding Source: KAKEN
Lotus japonicus genes responsive to parasitism by the compatible species Orobanche aegyptiaca and the incompatible species Striga hermonthica were isolated by using the suppression subtractive hybridization (SSH) strategy. O. aegyptiaca and S. hermonthica parasitism specifically induced the expression of genes involved in jasmonic acid (JA) biosynthesis and phytoalexin biosynthesis, respectively. Nodulation-related genes were almost exclusively found among the Orobanche-induced genes. Temporal gene expression analyses revealed that 19 out of the 48 Orobanche-induced genes and 5 out of the 48 Striga-induced genes were up-regulated at 1 dai. Four genes, including putative trypsin protease inhibitor genes, exhibited systemic up-regulation in the host plant parasitized by O. aegyptiaca. On the other hand, S. hermonthica attachment did not induce systemic gene expression.
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