Identification and characterization of (E)-β-caryophyllene synthase and α/β-pinene synthase potentially involved in constitutive and herbivore-induced terpene formation in cotton

Cotton (Gossypium hirsutum L.) plants damaged by insects emit a blend of volatiles, including monoterpenes and sesquiterpenes, which can directly repel herbivores and/or indirectly protect the plant by attracting natural enemies of the herbivores. To understand the molecular basis of terpene biosynt...

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Veröffentlicht in:Plant physiology and biochemistry 2013-12, Vol.73, p.302-308
Hauptverfasser: Huang, Xinzheng, Xiao, Yutao, Köllner, Tobias G., Zhang, Wanna, Wu, Junxiang, Wu, Juan, Guo, Yuyuan, Zhang, Yongjun
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container_issue
container_start_page 302
container_title Plant physiology and biochemistry
container_volume 73
creator Huang, Xinzheng
Xiao, Yutao
Köllner, Tobias G.
Zhang, Wanna
Wu, Junxiang
Wu, Juan
Guo, Yuyuan
Zhang, Yongjun
description Cotton (Gossypium hirsutum L.) plants damaged by insects emit a blend of volatiles, including monoterpenes and sesquiterpenes, which can directly repel herbivores and/or indirectly protect the plant by attracting natural enemies of the herbivores. To understand the molecular basis of terpene biosynthesis and regulation in cotton, two terpene synthase genes, GhTPS1 and GhTPS2, were heterologously expressed and characterized. Recombinant GhTPS1 accepted farnesyl pyrophosphate as substrate and produced (E)-β-caryophyllene and α-humulene. GhTPS2 was characterized as a monoterpene synthase which formed α-pinene and β-pinene using geranyl pyrophosphate as substrate. Quantitative real-time PCR analysis revealed that GhTPS1 and GhTPS2 gene expression was elevated after methyl jasmonate (MeJA) treatment in cotton leaves. Moreover, feeding of the green plant bug Apolygus lucorum, a major cotton pest in northern China, resulted in increased GhTPS2 expression in young leaves, suggesting that GhTPS2 might be involved in plant defense in cotton. [Display omitted] •Two terpene synthases (GhTPS1 and GhTPS2) from cotton were characterized.•GhTPS1 accepted FPP as substrate and produced (E)-β-caryophyllene/α-humulene.•GhTPS2 formed α/β-pinene using GPP as substrate.•Their expressions in different organs as well as after herbivory were analyzed.
doi_str_mv 10.1016/j.plaphy.2013.10.017
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[Display omitted] •Two terpene synthases (GhTPS1 and GhTPS2) from cotton were characterized.•GhTPS1 accepted FPP as substrate and produced (E)-β-caryophyllene/α-humulene.•GhTPS2 formed α/β-pinene using GPP as substrate.•Their expressions in different organs as well as after herbivory were analyzed.</abstract><cop>Paris</cop><pub>Elsevier Masson SAS</pub><pmid>24184450</pmid><doi>10.1016/j.plaphy.2013.10.017</doi><tpages>7</tpages></addata></record>
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subjects Acetates - metabolism
Acetates - pharmacology
Adaptation, Physiological
Alkyl and Aryl Transferases - genetics
Alkyl and Aryl Transferases - metabolism
Animals
Apolygus lucorum
Biological and medical sciences
Bridged Bicyclo Compounds - metabolism
Carbon-Oxygen Lyases - genetics
Carbon-Oxygen Lyases - metabolism
China
Cyclopentanes - metabolism
Cyclopentanes - pharmacology
Fundamental and applied biological sciences. Psychology
Gene Expression - drug effects
Genes, Plant
Gossypium - enzymology
Gossypium - genetics
Gossypium - metabolism
Gossypium hirsutum
Herbivory
Insecta
Methyl jasmonate
Monoterpenes - metabolism
Oxylipins - metabolism
Oxylipins - pharmacology
Plant defense
Plant Diseases
Plant Leaves - metabolism
Plant physiology and development
Plant Proteins - genetics
Plant Proteins - metabolism
Polyisoprenyl Phosphates - metabolism
Quantitative real-time PCR
Sesquiterpenes - metabolism
Terpenes - metabolism
α-Pinene
β-Caryophyllene
title Identification and characterization of (E)-β-caryophyllene synthase and α/β-pinene synthase potentially involved in constitutive and herbivore-induced terpene formation in cotton
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