Distribution of endogenous NO regulates early gravitropic response and PIN2 localization in arabidopsis roots
- Autores
- Paris, Ramiro; Vazquez, María M.; Graziano, Magdalena; Terrile, Maria Cecilia; Miller, Nathan D.; Spalding, Edgar P.; Otegui, Marisa S.; Casalongue, Claudia
- Año de publicación
- 2018
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- High-resolution and automated image analysis of individual roots demonstrated that endogenous nitric oxide (NO) contribute significantly to gravitropism of Arabidopsis roots. Lowering of endogenous NO concentrations strongly reduced and even reversed gravitropism, resulting in upward bending, without affecting root growth rate. Notably, the asymmetric accumulation of NOalong the upper and lower sides of roots correlated with a positive gravitropic response. Detection of NO by the specific DAF-FM DA fluorescent probe revealed that NO was higher at the lower side of horizontally-oriented roots returning to initial values 2h after the onset of gravistimulation. We demonstrate that NO promotes plasma membrane re-localization of PIN2 in epidermal cells, which is required during the early root gravitropic response. The dynamic and asymmetric localization of both auxin and NO is critical to regulate auxin polar transport during gravitropism. Our results collectively suggest that, although auxin and NO crosstalk occurs at different levels of regulation, they converge in the regulation of PIN2 membrane trafficking in gravistimulated roots, supporting the notion that a temporally and spatially coordinated network of signal molecules could participate in the early phases of auxin polar transport during gravitropism.
Fil: Paris, Ramiro. Universidad Nacional de Mar del Plata; Argentina
Fil: Vazquez, María M.. Universidad Nacional de Mar del Plata; Argentina
Fil: Graziano, Magdalena. Universidad Nacional de Mar del Plata; Argentina
Fil: Terrile, Maria Cecilia. Universidad Nacional de Mar del Plata; Argentina
Fil: Miller, Nathan D.. University Of Wisconsin-madison; Estados Unidos
Fil: Spalding, Edgar P.. University Of Wisconsin-madison; Estados Unidos
Fil: Otegui, Marisa S.. University Of Wisconsin-madison;
Fil: Casalongue, Claudia. Universidad Nacional de Mar del Plata; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Biológicas. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Investigaciones Biológicas; Argentina - Materia
-
Arabidopsis
Auxin
Auxin transport
Gravitropism
Nitric oxide
Root
Tropic response - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/88112
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Distribution of endogenous NO regulates early gravitropic response and PIN2 localization in arabidopsis rootsParis, RamiroVazquez, María M.Graziano, MagdalenaTerrile, Maria CeciliaMiller, Nathan D.Spalding, Edgar P.Otegui, Marisa S.Casalongue, ClaudiaArabidopsisAuxinAuxin transportGravitropismNitric oxideRootTropic responsehttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1High-resolution and automated image analysis of individual roots demonstrated that endogenous nitric oxide (NO) contribute significantly to gravitropism of Arabidopsis roots. Lowering of endogenous NO concentrations strongly reduced and even reversed gravitropism, resulting in upward bending, without affecting root growth rate. Notably, the asymmetric accumulation of NOalong the upper and lower sides of roots correlated with a positive gravitropic response. Detection of NO by the specific DAF-FM DA fluorescent probe revealed that NO was higher at the lower side of horizontally-oriented roots returning to initial values 2h after the onset of gravistimulation. We demonstrate that NO promotes plasma membrane re-localization of PIN2 in epidermal cells, which is required during the early root gravitropic response. The dynamic and asymmetric localization of both auxin and NO is critical to regulate auxin polar transport during gravitropism. Our results collectively suggest that, although auxin and NO crosstalk occurs at different levels of regulation, they converge in the regulation of PIN2 membrane trafficking in gravistimulated roots, supporting the notion that a temporally and spatially coordinated network of signal molecules could participate in the early phases of auxin polar transport during gravitropism.Fil: Paris, Ramiro. Universidad Nacional de Mar del Plata; ArgentinaFil: Vazquez, María M.. Universidad Nacional de Mar del Plata; ArgentinaFil: Graziano, Magdalena. Universidad Nacional de Mar del Plata; ArgentinaFil: Terrile, Maria Cecilia. Universidad Nacional de Mar del Plata; ArgentinaFil: Miller, Nathan D.. University Of Wisconsin-madison; Estados UnidosFil: Spalding, Edgar P.. University Of Wisconsin-madison; Estados UnidosFil: Otegui, Marisa S.. University Of Wisconsin-madison;Fil: Casalongue, Claudia. Universidad Nacional de Mar del Plata; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Biológicas. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Investigaciones Biológicas; ArgentinaFrontiers Media S.A.2018-04-20info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/88112Paris, Ramiro; Vazquez, María M.; Graziano, Magdalena; Terrile, Maria Cecilia; Miller, Nathan D.; et al.; Distribution of endogenous NO regulates early gravitropic response and PIN2 localization in arabidopsis roots; Frontiers Media S.A.; Frontiers in Plant Science; 9; 20-4-2018; 1-111664-462XCONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://journal.frontiersin.org/article/10.3389/fpls.2018.00495/fullinfo:eu-repo/semantics/altIdentifier/doi/10.3389/fpls.2018.00495info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T10:06:26Zoai:ri.conicet.gov.ar:11336/88112instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-03 10:06:26.418CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Distribution of endogenous NO regulates early gravitropic response and PIN2 localization in arabidopsis roots |
title |
Distribution of endogenous NO regulates early gravitropic response and PIN2 localization in arabidopsis roots |
spellingShingle |
Distribution of endogenous NO regulates early gravitropic response and PIN2 localization in arabidopsis roots Paris, Ramiro Arabidopsis Auxin Auxin transport Gravitropism Nitric oxide Root Tropic response |
title_short |
Distribution of endogenous NO regulates early gravitropic response and PIN2 localization in arabidopsis roots |
title_full |
Distribution of endogenous NO regulates early gravitropic response and PIN2 localization in arabidopsis roots |
title_fullStr |
Distribution of endogenous NO regulates early gravitropic response and PIN2 localization in arabidopsis roots |
title_full_unstemmed |
Distribution of endogenous NO regulates early gravitropic response and PIN2 localization in arabidopsis roots |
title_sort |
Distribution of endogenous NO regulates early gravitropic response and PIN2 localization in arabidopsis roots |
dc.creator.none.fl_str_mv |
Paris, Ramiro Vazquez, María M. Graziano, Magdalena Terrile, Maria Cecilia Miller, Nathan D. Spalding, Edgar P. Otegui, Marisa S. Casalongue, Claudia |
author |
Paris, Ramiro |
author_facet |
Paris, Ramiro Vazquez, María M. Graziano, Magdalena Terrile, Maria Cecilia Miller, Nathan D. Spalding, Edgar P. Otegui, Marisa S. Casalongue, Claudia |
author_role |
author |
author2 |
Vazquez, María M. Graziano, Magdalena Terrile, Maria Cecilia Miller, Nathan D. Spalding, Edgar P. Otegui, Marisa S. Casalongue, Claudia |
author2_role |
author author author author author author author |
dc.subject.none.fl_str_mv |
Arabidopsis Auxin Auxin transport Gravitropism Nitric oxide Root Tropic response |
topic |
Arabidopsis Auxin Auxin transport Gravitropism Nitric oxide Root Tropic response |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
High-resolution and automated image analysis of individual roots demonstrated that endogenous nitric oxide (NO) contribute significantly to gravitropism of Arabidopsis roots. Lowering of endogenous NO concentrations strongly reduced and even reversed gravitropism, resulting in upward bending, without affecting root growth rate. Notably, the asymmetric accumulation of NOalong the upper and lower sides of roots correlated with a positive gravitropic response. Detection of NO by the specific DAF-FM DA fluorescent probe revealed that NO was higher at the lower side of horizontally-oriented roots returning to initial values 2h after the onset of gravistimulation. We demonstrate that NO promotes plasma membrane re-localization of PIN2 in epidermal cells, which is required during the early root gravitropic response. The dynamic and asymmetric localization of both auxin and NO is critical to regulate auxin polar transport during gravitropism. Our results collectively suggest that, although auxin and NO crosstalk occurs at different levels of regulation, they converge in the regulation of PIN2 membrane trafficking in gravistimulated roots, supporting the notion that a temporally and spatially coordinated network of signal molecules could participate in the early phases of auxin polar transport during gravitropism. Fil: Paris, Ramiro. Universidad Nacional de Mar del Plata; Argentina Fil: Vazquez, María M.. Universidad Nacional de Mar del Plata; Argentina Fil: Graziano, Magdalena. Universidad Nacional de Mar del Plata; Argentina Fil: Terrile, Maria Cecilia. Universidad Nacional de Mar del Plata; Argentina Fil: Miller, Nathan D.. University Of Wisconsin-madison; Estados Unidos Fil: Spalding, Edgar P.. University Of Wisconsin-madison; Estados Unidos Fil: Otegui, Marisa S.. University Of Wisconsin-madison; Fil: Casalongue, Claudia. Universidad Nacional de Mar del Plata; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Biológicas. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Investigaciones Biológicas; Argentina |
description |
High-resolution and automated image analysis of individual roots demonstrated that endogenous nitric oxide (NO) contribute significantly to gravitropism of Arabidopsis roots. Lowering of endogenous NO concentrations strongly reduced and even reversed gravitropism, resulting in upward bending, without affecting root growth rate. Notably, the asymmetric accumulation of NOalong the upper and lower sides of roots correlated with a positive gravitropic response. Detection of NO by the specific DAF-FM DA fluorescent probe revealed that NO was higher at the lower side of horizontally-oriented roots returning to initial values 2h after the onset of gravistimulation. We demonstrate that NO promotes plasma membrane re-localization of PIN2 in epidermal cells, which is required during the early root gravitropic response. The dynamic and asymmetric localization of both auxin and NO is critical to regulate auxin polar transport during gravitropism. Our results collectively suggest that, although auxin and NO crosstalk occurs at different levels of regulation, they converge in the regulation of PIN2 membrane trafficking in gravistimulated roots, supporting the notion that a temporally and spatially coordinated network of signal molecules could participate in the early phases of auxin polar transport during gravitropism. |
publishDate |
2018 |
dc.date.none.fl_str_mv |
2018-04-20 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/88112 Paris, Ramiro; Vazquez, María M.; Graziano, Magdalena; Terrile, Maria Cecilia; Miller, Nathan D.; et al.; Distribution of endogenous NO regulates early gravitropic response and PIN2 localization in arabidopsis roots; Frontiers Media S.A.; Frontiers in Plant Science; 9; 20-4-2018; 1-11 1664-462X CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/88112 |
identifier_str_mv |
Paris, Ramiro; Vazquez, María M.; Graziano, Magdalena; Terrile, Maria Cecilia; Miller, Nathan D.; et al.; Distribution of endogenous NO regulates early gravitropic response and PIN2 localization in arabidopsis roots; Frontiers Media S.A.; Frontiers in Plant Science; 9; 20-4-2018; 1-11 1664-462X CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/http://journal.frontiersin.org/article/10.3389/fpls.2018.00495/full info:eu-repo/semantics/altIdentifier/doi/10.3389/fpls.2018.00495 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Frontiers Media S.A. |
publisher.none.fl_str_mv |
Frontiers Media S.A. |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
collection |
CONICET Digital (CONICET) |
instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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1842269958448349184 |
score |
13.13397 |