Modulation of plant-mediated interactions between herbivores of different feeding guilds: Effects of parasitism and belowground interactions

Abstract Herbivory affects subsequent herbivores, mainly regulated by the phytohormones jasmonic (JA) and salicylic acid (SA). Additionally, organisms such as soil microbes belowground or parasitoids that develop inside their herbivorous hosts aboveground, can change plant responses to herbivory. Ho...

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Autores principales:	Teresa Vaello, Sandeep J. Sarde, Mª Ángeles Marcos-García, Jetske G. de Boer, Ana Pineda
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Plant-soil Feedbacks (PSF) Thrips Parasitoid Aphidius Colemani Unparasitized Aphids Sweet Pepper Plants Medicine R Science Q
Acceso en línea:	https://doaj.org/article/321ff5dd90ea4933b3fb2a41724400bf
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spelling	oai:doaj.org-article:321ff5dd90ea4933b3fb2a41724400bf2021-12-02T15:08:02ZModulation of plant-mediated interactions between herbivores of different feeding guilds: Effects of parasitism and belowground interactions10.1038/s41598-018-32131-92045-2322https://doaj.org/article/321ff5dd90ea4933b3fb2a41724400bf2018-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-32131-9https://doaj.org/toc/2045-2322Abstract Herbivory affects subsequent herbivores, mainly regulated by the phytohormones jasmonic (JA) and salicylic acid (SA). Additionally, organisms such as soil microbes belowground or parasitoids that develop inside their herbivorous hosts aboveground, can change plant responses to herbivory. However, it is not yet well known how organisms of trophic levels other than herbivores, below- and above-ground, alter the interactions between insect species sharing a host plant. Here, we investigated whether the parasitoid Aphidius colemani and different soil microbial communities (created through plant-soil feedbacks) affect the JA and SA signalling pathways in response to the aphid Myzus persicae and the thrips Frankliniella occidentalis, as well as subsequent thrips performance. Our results show that the expression of the JA-responsive gene CaPINII in sweet pepper was more suppressed by aphids than by parasitised aphids. However, parasitism did not affect the expression of CaPAL1, a biosynthetic gene of SA. Furthermore, aphid feeding enhanced thrips performance compared with uninfested plants, but this was not observed when aphids were parasitised. Soils where different plant species were previously grown, did not affect plant responses or the interaction between herbivores. Our study shows that members of the third trophic level can modify herbivore interactions by altering plant physiology.Teresa VaelloSandeep J. SardeMª Ángeles Marcos-GarcíaJetske G. de BoerAna PinedaNature PortfolioarticlePlant-soil Feedbacks (PSF)ThripsParasitoid Aphidius ColemaniUnparasitized AphidsSweet Pepper PlantsMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-8 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Plant-soil Feedbacks (PSF) Thrips Parasitoid Aphidius Colemani Unparasitized Aphids Sweet Pepper Plants Medicine R Science Q
spellingShingle	Plant-soil Feedbacks (PSF) Thrips Parasitoid Aphidius Colemani Unparasitized Aphids Sweet Pepper Plants Medicine R Science Q Teresa Vaello Sandeep J. Sarde Mª Ángeles Marcos-García Jetske G. de Boer Ana Pineda Modulation of plant-mediated interactions between herbivores of different feeding guilds: Effects of parasitism and belowground interactions
description	Abstract Herbivory affects subsequent herbivores, mainly regulated by the phytohormones jasmonic (JA) and salicylic acid (SA). Additionally, organisms such as soil microbes belowground or parasitoids that develop inside their herbivorous hosts aboveground, can change plant responses to herbivory. However, it is not yet well known how organisms of trophic levels other than herbivores, below- and above-ground, alter the interactions between insect species sharing a host plant. Here, we investigated whether the parasitoid Aphidius colemani and different soil microbial communities (created through plant-soil feedbacks) affect the JA and SA signalling pathways in response to the aphid Myzus persicae and the thrips Frankliniella occidentalis, as well as subsequent thrips performance. Our results show that the expression of the JA-responsive gene CaPINII in sweet pepper was more suppressed by aphids than by parasitised aphids. However, parasitism did not affect the expression of CaPAL1, a biosynthetic gene of SA. Furthermore, aphid feeding enhanced thrips performance compared with uninfested plants, but this was not observed when aphids were parasitised. Soils where different plant species were previously grown, did not affect plant responses or the interaction between herbivores. Our study shows that members of the third trophic level can modify herbivore interactions by altering plant physiology.
format	article
author	Teresa Vaello Sandeep J. Sarde Mª Ángeles Marcos-García Jetske G. de Boer Ana Pineda
author_facet	Teresa Vaello Sandeep J. Sarde Mª Ángeles Marcos-García Jetske G. de Boer Ana Pineda
author_sort	Teresa Vaello
title	Modulation of plant-mediated interactions between herbivores of different feeding guilds: Effects of parasitism and belowground interactions
title_short	Modulation of plant-mediated interactions between herbivores of different feeding guilds: Effects of parasitism and belowground interactions
title_full	Modulation of plant-mediated interactions between herbivores of different feeding guilds: Effects of parasitism and belowground interactions
title_fullStr	Modulation of plant-mediated interactions between herbivores of different feeding guilds: Effects of parasitism and belowground interactions
title_full_unstemmed	Modulation of plant-mediated interactions between herbivores of different feeding guilds: Effects of parasitism and belowground interactions
title_sort	modulation of plant-mediated interactions between herbivores of different feeding guilds: effects of parasitism and belowground interactions
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/321ff5dd90ea4933b3fb2a41724400bf
work_keys_str_mv	AT teresavaello modulationofplantmediatedinteractionsbetweenherbivoresofdifferentfeedingguildseffectsofparasitismandbelowgroundinteractions AT sandeepjsarde modulationofplantmediatedinteractionsbetweenherbivoresofdifferentfeedingguildseffectsofparasitismandbelowgroundinteractions AT maangelesmarcosgarcia modulationofplantmediatedinteractionsbetweenherbivoresofdifferentfeedingguildseffectsofparasitismandbelowgroundinteractions AT jetskegdeboer modulationofplantmediatedinteractionsbetweenherbivoresofdifferentfeedingguildseffectsofparasitismandbelowgroundinteractions AT anapineda modulationofplantmediatedinteractionsbetweenherbivoresofdifferentfeedingguildseffectsofparasitismandbelowgroundinteractions
_version_	1718388242280087552

Modulation of plant-mediated interactions between herbivores of different feeding guilds: Effects of parasitism and belowground interactions

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