Sphingolipid long chain bases as mediators of cell death in olive fruit abscission

Plant sphingolipids are lipophilic membrane components essential for different cellular functions but they also act as signaling molecules in various aspects of plant development. However, the interaction between plant sphingolipids and abscission remains largely uncharacterized. Here, the possible...

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Detalles Bibliográficos
Autores: Briegas, Beatriz, Camarero, Maria C, Corbacho, Jorge, Labrador, Juana, Sanchez-Vera, Victoria, Gavilanes-Ruiz, Marina, Saucedo-García, Mariana, Gomez-Jimenez, Maria C.
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2025
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/379256
Acceso en línea:http://hdl.handle.net/10261/379256
https://api.elsevier.com/content/abstract/scopus_id/85215509080
Access Level:acceso abierto
Palabra clave:olive fruit
Sphingolipid
cell death
mediators
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spelling Sphingolipid long chain bases as mediators of cell death in olive fruit abscissionBriegas, BeatrizCamarero, Maria CCorbacho, JorgeLabrador, JuanaSanchez-Vera, VictoriaGavilanes-Ruiz, MarinaSaucedo-García, MarianaGomez-Jimenez, Maria C.olive fruitSphingolipidcell deathmediatorsPlant sphingolipids are lipophilic membrane components essential for different cellular functions but they also act as signaling molecules in various aspects of plant development. However, the interaction between plant sphingolipids and abscission remains largely uncharacterized. Here, the possible role of sphingolipids in regulating fruit abscission was examined in the abscission zone (AZ) of olive fruit. To this end, sphingolipid levels were manipulated through the application of exogenous sphingolipid long-chain bases (LCBs) or biosynthesis inhibitors, and their effects on fruit abscission as well as sphingolipid LCB/gene expression, hormones, reactive oxygen species (ROS) and cell death levels were examined in the AZ of olive fruit. Our data indicated that exogenous sphinganine (d18:0) induced fruit abscission, whereas the application of sphingosine (d18:1) or phytosphingosine (t18:0) or their phosphorylated derivatives did not have an effect on fruit abscission. Moreover, inhibition of LCB kinase or ceraThis work was supported by grants to M.C.G-J (PID2022-138573OB-I00 funded by MCIN/AEI/10.13039/501100011033 and, by “ERDF A way of making Europe”) from the Spanish Ministry of Science, Innovation and UniversitiesPeer reviewedJohn Wiley & SonsMinisterio de Ciencia, Innovación y Universidades (España)Gomez-Jimenez, Maria C. [0000-0003-2977-5814]Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202520252025info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Postprintinfo:eu-repo/semantics/acceptedVersionhttp://hdl.handle.net/10261/379256https://api.elsevier.com/content/abstract/scopus_id/85215509080reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2022-138573OB-I00Physiologia plantarumhttps://doi.org/10.1111/ppl.70061Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/3792562026-05-22T06:33:51Z
dc.title.none.fl_str_mv Sphingolipid long chain bases as mediators of cell death in olive fruit abscission
title Sphingolipid long chain bases as mediators of cell death in olive fruit abscission
spellingShingle Sphingolipid long chain bases as mediators of cell death in olive fruit abscission
Briegas, Beatriz
olive fruit
Sphingolipid
cell death
mediators
title_short Sphingolipid long chain bases as mediators of cell death in olive fruit abscission
title_full Sphingolipid long chain bases as mediators of cell death in olive fruit abscission
title_fullStr Sphingolipid long chain bases as mediators of cell death in olive fruit abscission
title_full_unstemmed Sphingolipid long chain bases as mediators of cell death in olive fruit abscission
title_sort Sphingolipid long chain bases as mediators of cell death in olive fruit abscission
dc.creator.none.fl_str_mv Briegas, Beatriz
Camarero, Maria C
Corbacho, Jorge
Labrador, Juana
Sanchez-Vera, Victoria
Gavilanes-Ruiz, Marina
Saucedo-García, Mariana
Gomez-Jimenez, Maria C.
author Briegas, Beatriz
author_facet Briegas, Beatriz
Camarero, Maria C
Corbacho, Jorge
Labrador, Juana
Sanchez-Vera, Victoria
Gavilanes-Ruiz, Marina
Saucedo-García, Mariana
Gomez-Jimenez, Maria C.
author_role author
author2 Camarero, Maria C
Corbacho, Jorge
Labrador, Juana
Sanchez-Vera, Victoria
Gavilanes-Ruiz, Marina
Saucedo-García, Mariana
Gomez-Jimenez, Maria C.
author2_role author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv Ministerio de Ciencia, Innovación y Universidades (España)
Gomez-Jimenez, Maria C. [0000-0003-2977-5814]
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv olive fruit
Sphingolipid
cell death
mediators
topic olive fruit
Sphingolipid
cell death
mediators
description Plant sphingolipids are lipophilic membrane components essential for different cellular functions but they also act as signaling molecules in various aspects of plant development. However, the interaction between plant sphingolipids and abscission remains largely uncharacterized. Here, the possible role of sphingolipids in regulating fruit abscission was examined in the abscission zone (AZ) of olive fruit. To this end, sphingolipid levels were manipulated through the application of exogenous sphingolipid long-chain bases (LCBs) or biosynthesis inhibitors, and their effects on fruit abscission as well as sphingolipid LCB/gene expression, hormones, reactive oxygen species (ROS) and cell death levels were examined in the AZ of olive fruit. Our data indicated that exogenous sphinganine (d18:0) induced fruit abscission, whereas the application of sphingosine (d18:1) or phytosphingosine (t18:0) or their phosphorylated derivatives did not have an effect on fruit abscission. Moreover, inhibition of LCB kinase or cera
publishDate 2025
dc.date.none.fl_str_mv 2025
2025
2025
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Postprint
info:eu-repo/semantics/acceptedVersion
format article
status_str acceptedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/379256
https://api.elsevier.com/content/abstract/scopus_id/85215509080
url http://hdl.handle.net/10261/379256
https://api.elsevier.com/content/abstract/scopus_id/85215509080
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv #PLACEHOLDER_PARENT_METADATA_VALUE#
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2022-138573OB-I00
Physiologia plantarum
https://doi.org/10.1111/ppl.70061
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv John Wiley & Sons
publisher.none.fl_str_mv John Wiley & Sons
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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