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Int J Mol Sci


Title:Functional Characterization of An Allene Oxide Synthase Involved in Biosynthesis of Jasmonic Acid and Its Influence on Metabolite Profiles and Ethylene Formation in Tea (Camellia sinensis) Flowers
Author(s):Peng Q; Zhou Y; Liao Y; Zeng L; Xu X; Jia Y; Dong F; Li J; Tang J; Yang Z;
Address:"Guangdong Provincial Key Laboratory of Applied Botany & Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, South China Botanical Garden, Chinese Academy of Sciences, Xingke Road 723, Tianhe District, Guangzhou 510650, China. pqyuan@scbg.ac.cn. University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China. pqyuan@scbg.ac.cn. Guangdong Provincial Key Laboratory of Applied Botany & Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, South China Botanical Garden, Chinese Academy of Sciences, Xingke Road 723, Tianhe District, Guangzhou 510650, China. yzhou@scbg.ac.cn. Guangdong Provincial Key Laboratory of Applied Botany & Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, South China Botanical Garden, Chinese Academy of Sciences, Xingke Road 723, Tianhe District, Guangzhou 510650, China. honey_yyliao@scbg.ac.cn. University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China. honey_yyliao@scbg.ac.cn. Guangdong Provincial Key Laboratory of Applied Botany & Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, South China Botanical Garden, Chinese Academy of Sciences, Xingke Road 723, Tianhe District, Guangzhou 510650, China. zenglanting@scbg.ac.cn. University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China. zenglanting@scbg.ac.cn. Guangdong Provincial Key Laboratory of Applied Botany & Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, South China Botanical Garden, Chinese Academy of Sciences, Xingke Road 723, Tianhe District, Guangzhou 510650, China. xxl@scib.ac.cn. Guangdong Provincial Key Laboratory of Applied Botany & Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, South China Botanical Garden, Chinese Academy of Sciences, Xingke Road 723, Tianhe District, Guangzhou 510650, China. jyx@scbg.ac.cn. Guangdong Food and Drug Vocational College, Longdongbei Road 321, Tianhe District, Guangzhou 510520, China. dongfangxyz@163.com. Tea Research Institute, Guangdong Academy of Agricultural Sciences & Guangdong Provincial Key Laboratory of Tea Plant Resources Innovation and Utilization, Dafeng Road 6, Tianhe District, Guangzhou 510640, China. skylong.41@163.com. Tea Research Institute, Guangdong Academy of Agricultural Sciences & Guangdong Provincial Key Laboratory of Tea Plant Resources Innovation and Utilization, Dafeng Road 6, Tianhe District, Guangzhou 510640, China. tangjinchi@126.com. Guangdong Provincial Key Laboratory of Applied Botany & Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, South China Botanical Garden, Chinese Academy of Sciences, Xingke Road 723, Tianhe District, Guangzhou 510650, China. zyyang@scbg.ac.cn. University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China. zyyang@scbg.ac.cn"
Journal Title:Int J Mol Sci
Year:2018
Volume:20180818
Issue:8
Page Number: -
DOI: 10.3390/ijms19082440
ISSN/ISBN:1422-0067 (Electronic) 1422-0067 (Linking)
Abstract:"Jasmonic acid (JA) is reportedly involved in the interaction between insects and the vegetative parts of horticultural crops; less attention has, however, been paid to its involvement in the interaction between insects and the floral parts of horticultural crops. Previously, we investigated the allene oxide synthase 2 (AOS2) gene that was found to be the only JA synthesis gene upregulated in tea (Camellia sinensis) flowers exposed to insect (Thrips hawaiiensis (Morgan)) attacks. In our present study, transient expression analysis in Nicotiana benthamiana plants confirmed that CsAOS2 functioned in JA synthesis and was located in the chloroplast membrane. In contrast to tea leaves, the metabolite profiles of tea flowers were not significantly affected by 10 h JA (2.5 mM) treatment as determined using ultra-performance liquid chromatography/quadrupole time-of-flight mass spectrometry, and gas chromatography-mass spectrometry. Moreover, JA treatment did not significantly influence ethylene formation in tea flowers. These results suggest that JA in tea flowers may have different functions from JA in tea leaves and other flowers"
Keywords:Biosynthetic Pathways Camellia sinensis/*metabolism Cyclopentanes/*metabolism Ethylenes/*metabolism Intramolecular Oxidoreductases/*metabolism Metabolome Oxylipins/*metabolism Plant Proteins/*metabolism Camellia sinensis aroma insect jasmonic acid metabol;
Notes:"MedlinePeng, Qiyuan Zhou, Ying Liao, Yinyin Zeng, Lanting Xu, Xinlan Jia, Yongxia Dong, Fang Li, Jianlong Tang, Jinchi Yang, Ziyin eng Switzerland 2018/08/22 Int J Mol Sci. 2018 Aug 18; 19(8):2440. doi: 10.3390/ijms19082440"

 
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