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Jasmonic acid carboxyl methyltransferase regulates development and herbivory-induced defense response in rice
Qi, Jinfeng; Li, Jiancai; Han, Xiu; Li, Ran; Wu, Jianqiang; Yu, Haixin; Hu, Lingfei; Xiao, Yutao; Lu, Jing; Lou, Yonggen
2016-06-01
Source PublicationJOURNAL OF INTEGRATIVE PLANT BIOLOGY
Volume58Issue:6Pages:564-576
AbstractJasmonic acid (JA) and related metabolites play a key role in plant defense and growth. JA carboxyl methyltransferase (JMT) may be involved in plant defense and development by methylating JA to methyl jasmonate (MeJA) and thus influencing the concentrations of JA and related metabolites. However, no JMT gene has been well characterized in monocotyledon defense and development at the molecular level. After we cloned a rice JMT gene, OsJMT1, whose encoding protein was localized in the cytosol, we found that the recombinant OsJMT1 protein catalyzed JA to MeJA. OsJMT1 is up-regulated in response to infestation with the brown planthopper (BPH; Nilaparvata lugens). Plants in which OsJMT1 had been overexpressed (oe-JMT plants) showed reduced height and yield. These oe-JMT plants also exhibited increased MeJA levels but reduced levels of herbivore-induced JA and jasmonoyl-isoleucine (JA-Ile). The oe-JMT plants were more attractive to BPH female adults but showed increased resistance to BPH nymphs, probably owing to the different responses of BPH female adults and nymphs to the changes in levels of H2O2 and MeJA in oe-JMT plants. These results indicate that OsJMT1, by altering levels of JA and related metabolites, plays a role in regulating plant development and herbivore-induced defense responses in rice.
KeywordHerbivore-induced Plant Defense Jasmonic Acid Jasmonic Acid Carboxyl Methyltransferase Jasmonoyl-isoleucine Methyl Jasmonate Nilaparvata Lugens Rice
DOI10.1111/jipb.12436
Indexed BySCI
Language英语
WOS IDWOS:000377257100005
Citation statistics
Cited Times:24[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/26260
Collection资源植物与生物技术所级重点实验室
Recommended Citation
GB/T 7714
Qi, Jinfeng,Li, Jiancai,Han, Xiu,et al. Jasmonic acid carboxyl methyltransferase regulates development and herbivory-induced defense response in rice[J]. JOURNAL OF INTEGRATIVE PLANT BIOLOGY,2016,58(6):564-576.
APA Qi, Jinfeng.,Li, Jiancai.,Han, Xiu.,Li, Ran.,Wu, Jianqiang.,...&Lou, Yonggen.(2016).Jasmonic acid carboxyl methyltransferase regulates development and herbivory-induced defense response in rice.JOURNAL OF INTEGRATIVE PLANT BIOLOGY,58(6),564-576.
MLA Qi, Jinfeng,et al."Jasmonic acid carboxyl methyltransferase regulates development and herbivory-induced defense response in rice".JOURNAL OF INTEGRATIVE PLANT BIOLOGY 58.6(2016):564-576.
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