Defining the combined stress response in wild Arachis

Abstract Nematodes and drought are major constraints in tropical agriculture and often occur simultaneously. Plant responses to these stresses are complex and require crosstalk between biotic and abiotic signaling pathways. In this study, we explored the transcriptome data of wild Arachis species su...

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Autores principales:	Ana Paula Zotta Mota, Ana Cristina Miranda Brasileiro, Bruna Vidigal, Thais Nicolini Oliveira, Andressa da Cunha Quintana Martins, Mario Alfredo de Passos Saraiva, Ana Claudia Guerra de Araújo, Roberto C. Togawa, Maria Fatima Grossi-de-Sá, Patricia Messenberg Guimaraes
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/e65f5706d97c4644b9e21ba2974de760
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spelling	oai:doaj.org-article:e65f5706d97c4644b9e21ba2974de7602021-12-02T14:49:18ZDefining the combined stress response in wild Arachis10.1038/s41598-021-90607-72045-2322https://doaj.org/article/e65f5706d97c4644b9e21ba2974de7602021-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-90607-7https://doaj.org/toc/2045-2322Abstract Nematodes and drought are major constraints in tropical agriculture and often occur simultaneously. Plant responses to these stresses are complex and require crosstalk between biotic and abiotic signaling pathways. In this study, we explored the transcriptome data of wild Arachis species subjected to drought (A-metaDEG) and the root-knot nematode Meloidogyne arenaria (B-metaDEG) via meta-analysis, to identify core-stress responsive genes to each individual and concurrent stresses in these species. Transcriptome analysis of a nematode/drought bioassay (cross-stress) showed that the set of stress responsive DEGs to concurrent stress is distinct from those resulting from overlapping A- and B-metaDEGs, indicating a specialized and unique response to combined stresses in wild Arachis. Whilst individual biotic and abiotic stresses elicit hormone-responsive genes, most notably in the jasmonic and abscisic acid pathways, combined stresses seem to trigger mainly the ethylene hormone pathway. The overexpression of a cross-stress tolerance candidate gene identified here, an endochitinase-encoding gene (AsECHI) from Arachis stenosperma, reduced up to 30% of M. incognita infection and increased post-drought recovery in Arabidopsis plants submitted to both stresses. The elucidation of the network of cross-stress responsive genes in Arachis contributes to better understanding the complex regulation of biotic and abiotic responses in plants facilitating more adequate crop breeding for combined stress tolerance.Ana Paula Zotta MotaAna Cristina Miranda BrasileiroBruna VidigalThais Nicolini OliveiraAndressa da Cunha Quintana MartinsMario Alfredo de Passos SaraivaAna Claudia Guerra de AraújoRoberto C. TogawaMaria Fatima Grossi-de-SáPatricia Messenberg GuimaraesNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Ana Paula Zotta Mota Ana Cristina Miranda Brasileiro Bruna Vidigal Thais Nicolini Oliveira Andressa da Cunha Quintana Martins Mario Alfredo de Passos Saraiva Ana Claudia Guerra de Araújo Roberto C. Togawa Maria Fatima Grossi-de-Sá Patricia Messenberg Guimaraes Defining the combined stress response in wild Arachis
description	Abstract Nematodes and drought are major constraints in tropical agriculture and often occur simultaneously. Plant responses to these stresses are complex and require crosstalk between biotic and abiotic signaling pathways. In this study, we explored the transcriptome data of wild Arachis species subjected to drought (A-metaDEG) and the root-knot nematode Meloidogyne arenaria (B-metaDEG) via meta-analysis, to identify core-stress responsive genes to each individual and concurrent stresses in these species. Transcriptome analysis of a nematode/drought bioassay (cross-stress) showed that the set of stress responsive DEGs to concurrent stress is distinct from those resulting from overlapping A- and B-metaDEGs, indicating a specialized and unique response to combined stresses in wild Arachis. Whilst individual biotic and abiotic stresses elicit hormone-responsive genes, most notably in the jasmonic and abscisic acid pathways, combined stresses seem to trigger mainly the ethylene hormone pathway. The overexpression of a cross-stress tolerance candidate gene identified here, an endochitinase-encoding gene (AsECHI) from Arachis stenosperma, reduced up to 30% of M. incognita infection and increased post-drought recovery in Arabidopsis plants submitted to both stresses. The elucidation of the network of cross-stress responsive genes in Arachis contributes to better understanding the complex regulation of biotic and abiotic responses in plants facilitating more adequate crop breeding for combined stress tolerance.
format	article
author	Ana Paula Zotta Mota Ana Cristina Miranda Brasileiro Bruna Vidigal Thais Nicolini Oliveira Andressa da Cunha Quintana Martins Mario Alfredo de Passos Saraiva Ana Claudia Guerra de Araújo Roberto C. Togawa Maria Fatima Grossi-de-Sá Patricia Messenberg Guimaraes
author_facet	Ana Paula Zotta Mota Ana Cristina Miranda Brasileiro Bruna Vidigal Thais Nicolini Oliveira Andressa da Cunha Quintana Martins Mario Alfredo de Passos Saraiva Ana Claudia Guerra de Araújo Roberto C. Togawa Maria Fatima Grossi-de-Sá Patricia Messenberg Guimaraes
author_sort	Ana Paula Zotta Mota
title	Defining the combined stress response in wild Arachis
title_short	Defining the combined stress response in wild Arachis
title_full	Defining the combined stress response in wild Arachis
title_fullStr	Defining the combined stress response in wild Arachis
title_full_unstemmed	Defining the combined stress response in wild Arachis
title_sort	defining the combined stress response in wild arachis
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/e65f5706d97c4644b9e21ba2974de760
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Defining the combined stress response in wild Arachis

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