β-caryophyllene emitted from a transgenic Arabidopsis or chemical dispenser repels Diaphorina citri, vector of Candidatus Liberibacters

Abstract Production of citrus, the main fruit tree crop worldwide, is severely threatened by Huanglongbing (HLB), for which as yet a cure is not available. Spread of this bacterial disease in America and Asia is intimately connected with dispersal and feeding of the insect vector Diaphorina citri, o...

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Autores principales:	Berta Alquézar, Haroldo Xavier Linhares Volpe, Rodrigo Facchini Magnani, Marcelo Pedreira de Miranda, Mateus Almeida Santos, Nelson Arno Wulff, Jose Mauricio Simões Bento, José Roberto Postali Parra, Harro Bouwmeester, Leandro Peña
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/c7f50419d1d948e6b005b8f77864f046
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spelling	oai:doaj.org-article:c7f50419d1d948e6b005b8f77864f0462021-12-02T15:05:29Zβ-caryophyllene emitted from a transgenic Arabidopsis or chemical dispenser repels Diaphorina citri, vector of Candidatus Liberibacters10.1038/s41598-017-06119-w2045-2322https://doaj.org/article/c7f50419d1d948e6b005b8f77864f0462017-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-06119-whttps://doaj.org/toc/2045-2322Abstract Production of citrus, the main fruit tree crop worldwide, is severely threatened by Huanglongbing (HLB), for which as yet a cure is not available. Spread of this bacterial disease in America and Asia is intimately connected with dispersal and feeding of the insect vector Diaphorina citri, oligophagous on rutaceous host plants. Effective control of this psyllid is an important component in successful HLB management programs. Volatiles released from the non-host guava have been shown to be repellent to the psyllid and to inhibit its response to citrus odour. By analysing VOC emission from guava we identified one volatile compound, (E)-β-caryophyllene, which at certain doses exerts a repellent effect on D. citri. Non-host plant rejection mediated by (E)-β-caryophyllene is demonstrated here by using Arabidopsis over-expression and knock-out lines. For the first time, results indicate that genetically engineered Arabidopsis plants with modified emission of VOCs can alter the behaviour of D. citri. This study shows that transgenic plants with an inherent ability to release (E)-β-caryophyllene can potentially be used in new protection strategies of citrus trees against HLB.Berta AlquézarHaroldo Xavier Linhares VolpeRodrigo Facchini MagnaniMarcelo Pedreira de MirandaMateus Almeida SantosNelson Arno WulffJose Mauricio Simões BentoJosé Roberto Postali ParraHarro BouwmeesterLeandro PeñaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-9 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Berta Alquézar Haroldo Xavier Linhares Volpe Rodrigo Facchini Magnani Marcelo Pedreira de Miranda Mateus Almeida Santos Nelson Arno Wulff Jose Mauricio Simões Bento José Roberto Postali Parra Harro Bouwmeester Leandro Peña β-caryophyllene emitted from a transgenic Arabidopsis or chemical dispenser repels Diaphorina citri, vector of Candidatus Liberibacters
description	Abstract Production of citrus, the main fruit tree crop worldwide, is severely threatened by Huanglongbing (HLB), for which as yet a cure is not available. Spread of this bacterial disease in America and Asia is intimately connected with dispersal and feeding of the insect vector Diaphorina citri, oligophagous on rutaceous host plants. Effective control of this psyllid is an important component in successful HLB management programs. Volatiles released from the non-host guava have been shown to be repellent to the psyllid and to inhibit its response to citrus odour. By analysing VOC emission from guava we identified one volatile compound, (E)-β-caryophyllene, which at certain doses exerts a repellent effect on D. citri. Non-host plant rejection mediated by (E)-β-caryophyllene is demonstrated here by using Arabidopsis over-expression and knock-out lines. For the first time, results indicate that genetically engineered Arabidopsis plants with modified emission of VOCs can alter the behaviour of D. citri. This study shows that transgenic plants with an inherent ability to release (E)-β-caryophyllene can potentially be used in new protection strategies of citrus trees against HLB.
format	article
author	Berta Alquézar Haroldo Xavier Linhares Volpe Rodrigo Facchini Magnani Marcelo Pedreira de Miranda Mateus Almeida Santos Nelson Arno Wulff Jose Mauricio Simões Bento José Roberto Postali Parra Harro Bouwmeester Leandro Peña
author_facet	Berta Alquézar Haroldo Xavier Linhares Volpe Rodrigo Facchini Magnani Marcelo Pedreira de Miranda Mateus Almeida Santos Nelson Arno Wulff Jose Mauricio Simões Bento José Roberto Postali Parra Harro Bouwmeester Leandro Peña
author_sort	Berta Alquézar
title	β-caryophyllene emitted from a transgenic Arabidopsis or chemical dispenser repels Diaphorina citri, vector of Candidatus Liberibacters
title_short	β-caryophyllene emitted from a transgenic Arabidopsis or chemical dispenser repels Diaphorina citri, vector of Candidatus Liberibacters
title_full	β-caryophyllene emitted from a transgenic Arabidopsis or chemical dispenser repels Diaphorina citri, vector of Candidatus Liberibacters
title_fullStr	β-caryophyllene emitted from a transgenic Arabidopsis or chemical dispenser repels Diaphorina citri, vector of Candidatus Liberibacters
title_full_unstemmed	β-caryophyllene emitted from a transgenic Arabidopsis or chemical dispenser repels Diaphorina citri, vector of Candidatus Liberibacters
title_sort	β-caryophyllene emitted from a transgenic arabidopsis or chemical dispenser repels diaphorina citri, vector of candidatus liberibacters
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/c7f50419d1d948e6b005b8f77864f046
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β-caryophyllene emitted from a transgenic Arabidopsis or chemical dispenser repels Diaphorina citri, vector of Candidatus Liberibacters

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