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Int J Mol Sci

Title:		"OsMKK3, a Stress-Responsive Protein Kinase, Positively Regulates Rice Resistance to Nilaparvata lugens via Phytohormone Dynamics"
Author(s):		Zhou S; Chen M; Zhang Y; Gao Q; Noman A; Wang Q; Li H; Chen L; Zhou P; Lu J; Lou Y;
Address:		"State Key Laboratory of Rice Biology & Ministry of Agriculture Key Lab of Agricultural Entomology, Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China. 3090100232@zju.edu.cn. State Key Laboratory of Rice Biology & Ministry of Agriculture Key Lab of Agricultural Entomology, Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China. mtchen@zju.edu.cn. State Key Laboratory of Rice Biology & Ministry of Agriculture Key Lab of Agricultural Entomology, Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China. zyb601@msn.cn. State Key Laboratory of Rice Biology & Ministry of Agriculture Key Lab of Agricultural Entomology, Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China. 11916008@zju.edu.cn. State Key Laboratory of Rice Biology & Ministry of Agriculture Key Lab of Agricultural Entomology, Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China. alinoman@gcuf.edu.pk. Department of Botany, Government college university, Faisalabad 38040, Pakistan. alinoman@gcuf.edu.pk. State Key Laboratory of Rice Biology & Ministry of Agriculture Key Lab of Agricultural Entomology, Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China. q.wang302@gmail.com. State Key Laboratory of Rice Biology & Ministry of Agriculture Key Lab of Agricultural Entomology, Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China. 11616014@zju.edu.cn. State Key Laboratory of Rice Biology & Ministry of Agriculture Key Lab of Agricultural Entomology, Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China. chenlin88@126.com. State Key Laboratory of Rice Biology & Ministry of Agriculture Key Lab of Agricultural Entomology, Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China. zhoupy1991@163.com. State Key Laboratory of Rice Biology & Ministry of Agriculture Key Lab of Agricultural Entomology, Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China. jing_lu@zju.edu.cn. State Key Laboratory of Rice Biology & Ministry of Agriculture Key Lab of Agricultural Entomology, Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China. yglou@zju.edu.cn"
Journal Title:		Int J Mol Sci
Year:		2019
Volume:		20190620
Issue:		12
Page Number:		-
DOI:		10.3390/ijms20123023
ISSN/ISBN:		1422-0067 (Electronic) 1422-0067 (Linking)
Abstract:		"Plants undergo several but very precise molecular, physiological, and biochemical modulations in response to biotic stresses. Mitogen-activated protein kinase (MAPK) cascades orchestrate multiple cellular processes including plant growth and development as well as plant responses against abiotic and biotic stresses. However, the role of MAPK kinases (MAPKKs/MKKs/MEKs) in the regulation of plant resistance to herbivores has not been extensively investigated. Here, we cloned a rice MKK gene, OsMKK3, and investigated its function. It was observed that mechanical wounding, infestation of brown planthopper (BPH) Nilaparvata lugens, and treatment with methyl jasmonate (MeJA) or salicylic acid (SA) could induce the expression of OsMKK3. The over-expression of OsMKK3 (oe-MKK3) increased levels of jasmonic acid (JA), jasmonoyl-L-isoleucine (JA-Ile), and abscisic acid (ABA), and decreased SA levels in rice after BPH attack. Additionally, the preference for feeding and oviposition, the hatching rate of BPH eggs, and BPH nymph survival rate were significantly compromised due to over-expression of OsMKK3. Besides, oe-MKK3 also augmented chlorophyll content but impaired plant growth. We confirm that MKK3 plays a pivotal role in the signaling pathway. It is proposed that OsMKK3 mediated positive regulation of rice resistance to BPH by means of herbivory-induced phytohormone dynamics"
Keywords:		Abscisic Acid/metabolism Animals Cyclopentanes/metabolism Hemiptera/*physiology *Herbivory Isoleucine/analogs & derivatives/metabolism MAP Kinase Kinase 3/*metabolism Oryza/*physiology Oxylipins/metabolism Plant Growth Regulators/metabolism Plant Proteins;
Notes:		"MedlineZhou, Shuxing Chen, Mengting Zhang, Yuebai Gao, Qing Noman, Ali Wang, Qi Li, Heng Chen, Lin Zhou, Pengyong Lu, Jing Lou, Yonggen eng 20140330/Special Fund for Agro-scientific Research in the Public Interest/ Switzerland 2019/06/23 Int J Mol Sci. 2019 Jun 20; 20(12):3023. doi: 10.3390/ijms20123023"