The Rhizobial Type 3 Secretion System: The Dr. Jekyll and Mr. Hyde in the Rhizobium–Legume Symbiosis

Rhizobia are soil bacteria that can establish a symbiotic association with legumes. As a result, plant nodules are formed on the roots of the host plants where rhizobia differentiate to bacteroids capable of fixing atmospheric nitrogen into ammonia. This ammonia is transferred to the plant in exchan...

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Autores: Jiménez Guerrero, Irene, Medina Morillas, Carlos, Vinardell González, José María, Ollero Márquez, Francisco Javier, López Baena, Francisco Javier
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2022
País:España
Institución:Universidad de Sevilla (US)
Repositorio:idUS. Depósito de Investigación de la Universidad de Sevilla
OAI Identifier:oai:idus.us.es:11441/139609
Acceso en línea:https://hdl.handle.net/11441/139609
https://doi.org/10.3390/ijms231911089
Access Level:acceso abierto
Palabra clave:Effector
Rhizobium
Symbiosis
T3SS
Type 3 secretion system
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spelling The Rhizobial Type 3 Secretion System: The Dr. Jekyll and Mr. Hyde in the Rhizobium–Legume SymbiosisJiménez Guerrero, IreneMedina Morillas, CarlosVinardell González, José MaríaOllero Márquez, Francisco JavierLópez Baena, Francisco JavierEffectorRhizobiumSymbiosisT3SSType 3 secretion systemRhizobia are soil bacteria that can establish a symbiotic association with legumes. As a result, plant nodules are formed on the roots of the host plants where rhizobia differentiate to bacteroids capable of fixing atmospheric nitrogen into ammonia. This ammonia is transferred to the plant in exchange of a carbon source and an appropriate environment for bacterial survival. This process is subjected to a tight regulation with several checkpoints to allow the progression of the infection or its restriction. The type 3 secretion system (T3SS) is a secretory system that injects proteins, called effectors (T3E), directly into the cytoplasm of the host cell, altering host pathways or suppressing host defense responses. This secretion system is not present in all rhizobia but its role in symbiosis is crucial for some symbiotic associations, showing two possible faces as Dr. Jekyll and Mr. Hyde: it can be completely necessary for the formation of nodules, or it can block nodulation in different legume species/cultivars. In this review, we compile all the information currently available about the effects of different rhizobial effectors on plant symbiotic phenotypes. These phenotypes are diverse and highlight the importance of the T3SS in certain rhizobium–legume symbioses.Ministerio de Ciencia e Innovación PID2019-107634RB-I00Junta de Andalucía P20_00185Universidad de Sevilla FEDER-US 1259948, FEDER-US 1250546Multidisciplinary Digital Publishing Institute (MDPI)MicrobiologíaMinisterio de Ciencia e Innovación (MICIN). EspañaJunta de AndalucíaUniversidad de Sevilla2022info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfapplication/pdfhttps://hdl.handle.net/11441/139609https://doi.org/10.3390/ijms231911089reponame:idUS. Depósito de Investigación de la Universidad de Sevillainstname:Universidad de Sevilla (US)InglésInternational Journal of Molecular Sciences, 23 (19), 11089.PID2019-107634RB-I00P20_00185FEDER-US 1259948FEDER-US 1250546https://doi.org/10.3390/ijms231911089info:eu-repo/semantics/openAccessoai:idus.us.es:11441/1396092026-06-17T12:51:07Z
dc.title.none.fl_str_mv The Rhizobial Type 3 Secretion System: The Dr. Jekyll and Mr. Hyde in the Rhizobium–Legume Symbiosis
title The Rhizobial Type 3 Secretion System: The Dr. Jekyll and Mr. Hyde in the Rhizobium–Legume Symbiosis
spellingShingle The Rhizobial Type 3 Secretion System: The Dr. Jekyll and Mr. Hyde in the Rhizobium–Legume Symbiosis
Jiménez Guerrero, Irene
Effector
Rhizobium
Symbiosis
T3SS
Type 3 secretion system
title_short The Rhizobial Type 3 Secretion System: The Dr. Jekyll and Mr. Hyde in the Rhizobium–Legume Symbiosis
title_full The Rhizobial Type 3 Secretion System: The Dr. Jekyll and Mr. Hyde in the Rhizobium–Legume Symbiosis
title_fullStr The Rhizobial Type 3 Secretion System: The Dr. Jekyll and Mr. Hyde in the Rhizobium–Legume Symbiosis
title_full_unstemmed The Rhizobial Type 3 Secretion System: The Dr. Jekyll and Mr. Hyde in the Rhizobium–Legume Symbiosis
title_sort The Rhizobial Type 3 Secretion System: The Dr. Jekyll and Mr. Hyde in the Rhizobium–Legume Symbiosis
dc.creator.none.fl_str_mv Jiménez Guerrero, Irene
Medina Morillas, Carlos
Vinardell González, José María
Ollero Márquez, Francisco Javier
López Baena, Francisco Javier
author Jiménez Guerrero, Irene
author_facet Jiménez Guerrero, Irene
Medina Morillas, Carlos
Vinardell González, José María
Ollero Márquez, Francisco Javier
López Baena, Francisco Javier
author_role author
author2 Medina Morillas, Carlos
Vinardell González, José María
Ollero Márquez, Francisco Javier
López Baena, Francisco Javier
author2_role author
author
author
author
dc.contributor.none.fl_str_mv Microbiología
Ministerio de Ciencia e Innovación (MICIN). España
Junta de Andalucía
Universidad de Sevilla
dc.subject.none.fl_str_mv Effector
Rhizobium
Symbiosis
T3SS
Type 3 secretion system
topic Effector
Rhizobium
Symbiosis
T3SS
Type 3 secretion system
description Rhizobia are soil bacteria that can establish a symbiotic association with legumes. As a result, plant nodules are formed on the roots of the host plants where rhizobia differentiate to bacteroids capable of fixing atmospheric nitrogen into ammonia. This ammonia is transferred to the plant in exchange of a carbon source and an appropriate environment for bacterial survival. This process is subjected to a tight regulation with several checkpoints to allow the progression of the infection or its restriction. The type 3 secretion system (T3SS) is a secretory system that injects proteins, called effectors (T3E), directly into the cytoplasm of the host cell, altering host pathways or suppressing host defense responses. This secretion system is not present in all rhizobia but its role in symbiosis is crucial for some symbiotic associations, showing two possible faces as Dr. Jekyll and Mr. Hyde: it can be completely necessary for the formation of nodules, or it can block nodulation in different legume species/cultivars. In this review, we compile all the information currently available about the effects of different rhizobial effectors on plant symbiotic phenotypes. These phenotypes are diverse and highlight the importance of the T3SS in certain rhizobium–legume symbioses.
publishDate 2022
dc.date.none.fl_str_mv 2022
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/11441/139609
https://doi.org/10.3390/ijms231911089
url https://hdl.handle.net/11441/139609
https://doi.org/10.3390/ijms231911089
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv International Journal of Molecular Sciences, 23 (19), 11089.
PID2019-107634RB-I00
P20_00185
FEDER-US 1259948
FEDER-US 1250546
https://doi.org/10.3390/ijms231911089
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Multidisciplinary Digital Publishing Institute (MDPI)
publisher.none.fl_str_mv Multidisciplinary Digital Publishing Institute (MDPI)
dc.source.none.fl_str_mv reponame:idUS. Depósito de Investigación de la Universidad de Sevilla
instname:Universidad de Sevilla (US)
instname_str Universidad de Sevilla (US)
reponame_str idUS. Depósito de Investigación de la Universidad de Sevilla
collection idUS. Depósito de Investigación de la Universidad de Sevilla
repository.name.fl_str_mv
repository.mail.fl_str_mv
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