Molecular mechanisms behind the physiological resistance to intense transient warming in an iconic marine plant

The endemic Mediterranean seagrass Posidonia oceanica is highly threatened by the increased frequency and intensity of heatwaves. Meadows of the species offer a unique opportunity to unravel mechanisms marine plants activate to cope transient warming, since their wide depth distribution impose diver...

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Detalhes bibliográficos
Autores: Marín-Guirao, Lázaro, Entrambasaguas, Laura, Dattolo, E., Ruiz-Fernández, Juan Manuel, Procaccini, G.
Tipo de documento: artigo
Data de publicação:2017
País:España
Recursos:Consejo Superior de Investigaciones Científicas (CSIC)
Repositório:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/321101
Acesso em linha:https://www.frontiersin.org/articles/10.3389/fpls.2017.01142/pdf
http://hdl.handle.net/10261/321101
Access Level:Acceso aberto
Palavra-chave:Heat stress
Centro Oceanográfico de Murcia
Medio Marino y Protección Ambiental
RNA-seq
Posidonia oceanica
marine plants
comparative transcriptomics
thermal tolerance
transient warming
mesocosms
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oai_identifier_str oai:digital.csic.es:10261/321101
network_acronym_str ES
network_name_str España
repository_id_str
spelling Molecular mechanisms behind the physiological resistance to intense transient warming in an iconic marine plantMarín-Guirao, LázaroEntrambasaguas, LauraDattolo, E.Ruiz-Fernández, Juan ManuelProcaccini, G.Heat stressCentro Oceanográfico de MurciaMedio Marino y Protección AmbientalRNA-seqPosidonia oceanicamarine plantscomparative transcriptomicsthermal tolerancetransient warmingmesocosmsThe endemic Mediterranean seagrass Posidonia oceanica is highly threatened by the increased frequency and intensity of heatwaves. Meadows of the species offer a unique opportunity to unravel mechanisms marine plants activate to cope transient warming, since their wide depth distribution impose divergent heat-tolerance. Understanding these mechanisms is imperative for their conservation. Shallow and deep genotypes within the same population were exposed to a simulated heatwave in mesocosms, to analyze their transcriptomic and photo-physiological responses during and after the exposure. Shallow plants, living in a more unstable thermal environment, optimized phenotype variation in response to warming. These plants showed a pre-adaptation of genes in anticipation of stress. Shallow plants also showed a stronger activation of heat-responsive genes and the exclusive activation of genes involved in epigenetic mechanisms and in molecular mechanisms that are behind their higher photosynthetic stability and respiratory acclimation. Deep plants experienced higher heat-induced damage and activated metabolic processes for obtaining extra energy from sugars and amino acids, likely to support the higher protein turnover induced by heat. In this study we identify transcriptomic mechanisms that may facilitate persistence of seagrasses to anomalous warming events and we discovered that P. oceanica plants from above and below the mean depth of the summer thermocline have differential resilience to heat.SíFrontiers Media202320232017info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501https://www.frontiersin.org/articles/10.3389/fpls.2017.01142/pdfhttp://hdl.handle.net/10261/321101reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)InglésCentro Oceanográfico de Murciainfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/3211012026-05-22T06:33:51Z
dc.title.none.fl_str_mv Molecular mechanisms behind the physiological resistance to intense transient warming in an iconic marine plant
title Molecular mechanisms behind the physiological resistance to intense transient warming in an iconic marine plant
spellingShingle Molecular mechanisms behind the physiological resistance to intense transient warming in an iconic marine plant
Marín-Guirao, Lázaro
Heat stress
Centro Oceanográfico de Murcia
Medio Marino y Protección Ambiental
RNA-seq
Posidonia oceanica
marine plants
comparative transcriptomics
thermal tolerance
transient warming
mesocosms
title_short Molecular mechanisms behind the physiological resistance to intense transient warming in an iconic marine plant
title_full Molecular mechanisms behind the physiological resistance to intense transient warming in an iconic marine plant
title_fullStr Molecular mechanisms behind the physiological resistance to intense transient warming in an iconic marine plant
title_full_unstemmed Molecular mechanisms behind the physiological resistance to intense transient warming in an iconic marine plant
title_sort Molecular mechanisms behind the physiological resistance to intense transient warming in an iconic marine plant
dc.creator.none.fl_str_mv Marín-Guirao, Lázaro
Entrambasaguas, Laura
Dattolo, E.
Ruiz-Fernández, Juan Manuel
Procaccini, G.
author Marín-Guirao, Lázaro
author_facet Marín-Guirao, Lázaro
Entrambasaguas, Laura
Dattolo, E.
Ruiz-Fernández, Juan Manuel
Procaccini, G.
author_role author
author2 Entrambasaguas, Laura
Dattolo, E.
Ruiz-Fernández, Juan Manuel
Procaccini, G.
author2_role author
author
author
author
dc.subject.none.fl_str_mv Heat stress
Centro Oceanográfico de Murcia
Medio Marino y Protección Ambiental
RNA-seq
Posidonia oceanica
marine plants
comparative transcriptomics
thermal tolerance
transient warming
mesocosms
topic Heat stress
Centro Oceanográfico de Murcia
Medio Marino y Protección Ambiental
RNA-seq
Posidonia oceanica
marine plants
comparative transcriptomics
thermal tolerance
transient warming
mesocosms
description The endemic Mediterranean seagrass Posidonia oceanica is highly threatened by the increased frequency and intensity of heatwaves. Meadows of the species offer a unique opportunity to unravel mechanisms marine plants activate to cope transient warming, since their wide depth distribution impose divergent heat-tolerance. Understanding these mechanisms is imperative for their conservation. Shallow and deep genotypes within the same population were exposed to a simulated heatwave in mesocosms, to analyze their transcriptomic and photo-physiological responses during and after the exposure. Shallow plants, living in a more unstable thermal environment, optimized phenotype variation in response to warming. These plants showed a pre-adaptation of genes in anticipation of stress. Shallow plants also showed a stronger activation of heat-responsive genes and the exclusive activation of genes involved in epigenetic mechanisms and in molecular mechanisms that are behind their higher photosynthetic stability and respiratory acclimation. Deep plants experienced higher heat-induced damage and activated metabolic processes for obtaining extra energy from sugars and amino acids, likely to support the higher protein turnover induced by heat. In this study we identify transcriptomic mechanisms that may facilitate persistence of seagrasses to anomalous warming events and we discovered that P. oceanica plants from above and below the mean depth of the summer thermocline have differential resilience to heat.
publishDate 2017
dc.date.none.fl_str_mv 2017
2023
2023
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
format article
dc.identifier.none.fl_str_mv https://www.frontiersin.org/articles/10.3389/fpls.2017.01142/pdf
http://hdl.handle.net/10261/321101
url https://www.frontiersin.org/articles/10.3389/fpls.2017.01142/pdf
http://hdl.handle.net/10261/321101
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Centro Oceanográfico de Murcia
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Frontiers Media
publisher.none.fl_str_mv Frontiers Media
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,811543

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