Trans-generational inheritance of herbivory-induced phenotypic changes in Brassica rapa

Abstract Biotic stress can induce plastic changes in fitness-relevant plant traits. Recently, it has been shown that such changes can be transmitted to subsequent generations. However, the occurrence and extent of transmission across different types of traits is still unexplored. Here, we assessed t...

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Autores principales:	Roman T. Kellenberger, Gaylord A. Desurmont, Philipp M. Schlüter, Florian P. Schiestl
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/7ab97bdf42464a8995cee60fe653a02d
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spelling	oai:doaj.org-article:7ab97bdf42464a8995cee60fe653a02d2021-12-02T11:40:54ZTrans-generational inheritance of herbivory-induced phenotypic changes in Brassica rapa10.1038/s41598-018-21880-22045-2322https://doaj.org/article/7ab97bdf42464a8995cee60fe653a02d2018-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-21880-2https://doaj.org/toc/2045-2322Abstract Biotic stress can induce plastic changes in fitness-relevant plant traits. Recently, it has been shown that such changes can be transmitted to subsequent generations. However, the occurrence and extent of transmission across different types of traits is still unexplored. Here, we assessed the emergence and transmission of herbivory-induced changes in Brassica rapa and their impact on interactions with insects. We analysed changes in morphology and reproductive traits as well as in flower and leaf volatile emission during two generations with leaf herbivory by Mamestra brassicae and Pieris brassicae and two subsequent generations without herbivory. Herbivory induced changes in all trait types, increasing attractiveness of the plants to the parasitoid wasp Cotesia glomerata and decreasing visitation by the pollinator Bombus terrestris, a potential trade-off. While changes in floral and leaf volatiles disappeared in the first generation after herbivory, some changes in morphology and reproductive traits were still measurable two generations after herbivory. However, neither parasitoids nor pollinators further discriminated between groups with different past treatments. Our results suggest that transmission of herbivore-induced changes occurs preferentially in resource-limited traits connected to plant growth and reproduction. The lack of alterations in plant-insect interactions was likely due to the transient nature of volatile changes.Roman T. KellenbergerGaylord A. DesurmontPhilipp M. SchlüterFlorian P. SchiestlNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-9 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Roman T. Kellenberger Gaylord A. Desurmont Philipp M. Schlüter Florian P. Schiestl Trans-generational inheritance of herbivory-induced phenotypic changes in Brassica rapa
description	Abstract Biotic stress can induce plastic changes in fitness-relevant plant traits. Recently, it has been shown that such changes can be transmitted to subsequent generations. However, the occurrence and extent of transmission across different types of traits is still unexplored. Here, we assessed the emergence and transmission of herbivory-induced changes in Brassica rapa and their impact on interactions with insects. We analysed changes in morphology and reproductive traits as well as in flower and leaf volatile emission during two generations with leaf herbivory by Mamestra brassicae and Pieris brassicae and two subsequent generations without herbivory. Herbivory induced changes in all trait types, increasing attractiveness of the plants to the parasitoid wasp Cotesia glomerata and decreasing visitation by the pollinator Bombus terrestris, a potential trade-off. While changes in floral and leaf volatiles disappeared in the first generation after herbivory, some changes in morphology and reproductive traits were still measurable two generations after herbivory. However, neither parasitoids nor pollinators further discriminated between groups with different past treatments. Our results suggest that transmission of herbivore-induced changes occurs preferentially in resource-limited traits connected to plant growth and reproduction. The lack of alterations in plant-insect interactions was likely due to the transient nature of volatile changes.
format	article
author	Roman T. Kellenberger Gaylord A. Desurmont Philipp M. Schlüter Florian P. Schiestl
author_facet	Roman T. Kellenberger Gaylord A. Desurmont Philipp M. Schlüter Florian P. Schiestl
author_sort	Roman T. Kellenberger
title	Trans-generational inheritance of herbivory-induced phenotypic changes in Brassica rapa
title_short	Trans-generational inheritance of herbivory-induced phenotypic changes in Brassica rapa
title_full	Trans-generational inheritance of herbivory-induced phenotypic changes in Brassica rapa
title_fullStr	Trans-generational inheritance of herbivory-induced phenotypic changes in Brassica rapa
title_full_unstemmed	Trans-generational inheritance of herbivory-induced phenotypic changes in Brassica rapa
title_sort	trans-generational inheritance of herbivory-induced phenotypic changes in brassica rapa
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/7ab97bdf42464a8995cee60fe653a02d
work_keys_str_mv	AT romantkellenberger transgenerationalinheritanceofherbivoryinducedphenotypicchangesinbrassicarapa AT gaylordadesurmont transgenerationalinheritanceofherbivoryinducedphenotypicchangesinbrassicarapa AT philippmschluter transgenerationalinheritanceofherbivoryinducedphenotypicchangesinbrassicarapa AT florianpschiestl transgenerationalinheritanceofherbivoryinducedphenotypicchangesinbrassicarapa
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Trans-generational inheritance of herbivory-induced phenotypic changes in Brassica rapa

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