Responses to Salinity in Four Plantago Species from Tunisia

[EN] The genus Plantago is particularly interesting for studying the mechanisms of salt tolerance in plants, as it includes both halophytes and glycophytes, as well as species adapted to xeric environments. In this study, the salt stress responses of two halophytes, P. crassifolia and P. coronopus,...

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Authors: Ltaeif, Hela Belhaj, Sakhraoui, Anis, González-Orenga, Sara, Landa Faz, Anbu, Rouz, Slim, Boscaiu, Monica|||0000-0002-9691-4223, Vicente, Oscar|||0000-0001-5076-3784
Format: article
Publication Date:2021
Country:España
Institution:Universitat Politècnica de València (UPV)
Repository:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
Language:English
OAI Identifier:oai:riunet.upv.es:10251/185164
Online Access:https://riunet.upv.es/handle/10251/185164
Access Level:Open access
Keyword:Salt stress
Halophytes
Growth responses
Ion accumulation
Osmolytes
Oxidative stress biomarkers
Antioxidants
BIOQUIMICA Y BIOLOGIA MOLECULAR
BOTANICA
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oai_identifier_str oai:riunet.upv.es:10251/185164
network_acronym_str ES
network_name_str España
repository_id_str
spelling Responses to Salinity in Four Plantago Species from TunisiaLtaeif, Hela BelhajSakhraoui, AnisGonzález-Orenga, SaraLanda Faz, AnbuRouz, SlimBoscaiu, Monica|||0000-0002-9691-4223Vicente, Oscar|||0000-0001-5076-3784Salt stressHalophytesGrowth responsesIon accumulationOsmolytesOxidative stress biomarkersAntioxidantsBIOQUIMICA Y BIOLOGIA MOLECULARBOTANICA[EN] The genus Plantago is particularly interesting for studying the mechanisms of salt tolerance in plants, as it includes both halophytes and glycophytes, as well as species adapted to xeric environments. In this study, the salt stress responses of two halophytes, P. crassifolia and P. coronopus, were compared with those of two glycophytes, P. ovata and P. afra. Plants obtained by seed germination of the four species, collected in different regions of Tunisia, were subjected to increasing salinity treatments for one month under greenhouse conditions. Morphological traits and biochemical parameters, such as ion accumulation and the leaf contents of photosynthetic pigments, osmolytes, oxidative stress markers and antioxidant metabolites, were measured after the treatments. Salt-induced growth inhibition was more pronounced in P. afra, and only plants subjected to the lowest applied NaCl concentration (200 mM) survived until the end of the treatments. The biochemical responses were different in the two groups of plants; the halophytes accumulated higher Na+ and proline concentrations, whereas MDA levels in their leaves decreased, indicating a lower level of oxidative stress. Overall, the results showed that P. coronopus and P. crassifolia are the most tolerant to salt stress, and P. afra is the most susceptible of the four species. Plantago ovata is also quite resistant, apparently by using specific mechanisms of tolerance that are more efficient than in the halophytes, such as a less pronounced inhibition of photosynthesis, the accumulation of higher levels of Cl¿ ions in the leaves, or the activation of K+ uptake and transport to the aerial part under high salinity conditions.This research was supported by internal funds of Universitat Politecnica de Valencia to O.V. and M.B.MDPIDepartamento de Ecosistemas AgroforestalesDepartamento de BiotecnologíaInstituto Universitario de Conservación y Mejora de la Agrodiversidad ValencianaInstituto Agroforestal MediterráneoEscuela Técnica Superior de Ingeniería Agronómica y del Medio NaturalUniversitat Politècnica de ValènciaRepositorio Institucional de la Universitat Politècnica de València Riunet20212021-07-01journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://riunet.upv.es/handle/10251/185164reponame:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valénciainstname:Universitat Politècnica de València (UPV)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2Reconocimiento (by)http://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessoai:riunet.upv.es:10251/1851642026-06-13T07:49:27Z
dc.title.none.fl_str_mv Responses to Salinity in Four Plantago Species from Tunisia
title Responses to Salinity in Four Plantago Species from Tunisia
spellingShingle Responses to Salinity in Four Plantago Species from Tunisia
Ltaeif, Hela Belhaj
Salt stress
Halophytes
Growth responses
Ion accumulation
Osmolytes
Oxidative stress biomarkers
Antioxidants
BIOQUIMICA Y BIOLOGIA MOLECULAR
BOTANICA
title_short Responses to Salinity in Four Plantago Species from Tunisia
title_full Responses to Salinity in Four Plantago Species from Tunisia
title_fullStr Responses to Salinity in Four Plantago Species from Tunisia
title_full_unstemmed Responses to Salinity in Four Plantago Species from Tunisia
title_sort Responses to Salinity in Four Plantago Species from Tunisia
dc.creator.none.fl_str_mv Ltaeif, Hela Belhaj
Sakhraoui, Anis
González-Orenga, Sara
Landa Faz, Anbu
Rouz, Slim
Boscaiu, Monica|||0000-0002-9691-4223
Vicente, Oscar|||0000-0001-5076-3784
author Ltaeif, Hela Belhaj
author_facet Ltaeif, Hela Belhaj
Sakhraoui, Anis
González-Orenga, Sara
Landa Faz, Anbu
Rouz, Slim
Boscaiu, Monica|||0000-0002-9691-4223
Vicente, Oscar|||0000-0001-5076-3784
author_role author
author2 Sakhraoui, Anis
González-Orenga, Sara
Landa Faz, Anbu
Rouz, Slim
Boscaiu, Monica|||0000-0002-9691-4223
Vicente, Oscar|||0000-0001-5076-3784
author2_role author
author
author
author
author
author
dc.contributor.none.fl_str_mv Departamento de Ecosistemas Agroforestales
Departamento de Biotecnología
Instituto Universitario de Conservación y Mejora de la Agrodiversidad Valenciana
Instituto Agroforestal Mediterráneo
Escuela Técnica Superior de Ingeniería Agronómica y del Medio Natural
Universitat Politècnica de València
Repositorio Institucional de la Universitat Politècnica de València Riunet
dc.subject.none.fl_str_mv Salt stress
Halophytes
Growth responses
Ion accumulation
Osmolytes
Oxidative stress biomarkers
Antioxidants
BIOQUIMICA Y BIOLOGIA MOLECULAR
BOTANICA
topic Salt stress
Halophytes
Growth responses
Ion accumulation
Osmolytes
Oxidative stress biomarkers
Antioxidants
BIOQUIMICA Y BIOLOGIA MOLECULAR
BOTANICA
description [EN] The genus Plantago is particularly interesting for studying the mechanisms of salt tolerance in plants, as it includes both halophytes and glycophytes, as well as species adapted to xeric environments. In this study, the salt stress responses of two halophytes, P. crassifolia and P. coronopus, were compared with those of two glycophytes, P. ovata and P. afra. Plants obtained by seed germination of the four species, collected in different regions of Tunisia, were subjected to increasing salinity treatments for one month under greenhouse conditions. Morphological traits and biochemical parameters, such as ion accumulation and the leaf contents of photosynthetic pigments, osmolytes, oxidative stress markers and antioxidant metabolites, were measured after the treatments. Salt-induced growth inhibition was more pronounced in P. afra, and only plants subjected to the lowest applied NaCl concentration (200 mM) survived until the end of the treatments. The biochemical responses were different in the two groups of plants; the halophytes accumulated higher Na+ and proline concentrations, whereas MDA levels in their leaves decreased, indicating a lower level of oxidative stress. Overall, the results showed that P. coronopus and P. crassifolia are the most tolerant to salt stress, and P. afra is the most susceptible of the four species. Plantago ovata is also quite resistant, apparently by using specific mechanisms of tolerance that are more efficient than in the halophytes, such as a less pronounced inhibition of photosynthesis, the accumulation of higher levels of Cl¿ ions in the leaves, or the activation of K+ uptake and transport to the aerial part under high salinity conditions.
publishDate 2021
dc.date.none.fl_str_mv 2021
2021-07-01
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://riunet.upv.es/handle/10251/185164
url https://riunet.upv.es/handle/10251/185164
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
Reconocimiento (by)
http://creativecommons.org/licenses/by/4.0/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
Reconocimiento (by)
http://creativecommons.org/licenses/by/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv MDPI
publisher.none.fl_str_mv MDPI
dc.source.none.fl_str_mv reponame:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname:Universitat Politècnica de València (UPV)
instname_str Universitat Politècnica de València (UPV)
reponame_str RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
collection RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,223283

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