Blue-light dependent reactive oxygen species formation by Arabidopsis cryptochrome may define a novel evolutionarily conserved signaling mechanism
- Autores
- Consentino, Laurent; Lambert, Stefan; Martino, Carlos; Jourdan, Nathalie; Bouchet, Pierre Etienne; Witczak, Jacques; Castello, Pablo Raul; El-Esawi, Mohamed; Corbineau, Francoise; d'Harlingue, Alain; Ahmad, Margaret
- Año de publicación
- 2015
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Cryptochromes are widespread blue-light absorbing flavoproteins with important signaling roles. In plants they mediate de-etiolation, developmental and stress responses resulting from interaction with downstream signaling partners such as transcription factors and components of the proteasome. Recently, it has been shown that Arabidopsis cry1 activation by blue light also results in direct enzymatic conversion of molecular oxygen (O2) to reactive oxygen species (ROS) and hydrogen peroxide (H2O2) in vitro. Here we explored whether direct enzymatic synthesis of ROS by Arabidopsis cry1 can play a physiological role in vivo. ROS formation resulting from cry1 expression was measured by fluorescence assay in insect cell cultures and in Arabidopsis protoplasts from cryptochrome mutant seedlings. Cell death was determined by colorimetric assay. We found that ROS formation results from cry1 activation and induces cell death in insect cell cultures. In plant protoplasts, cryptochrome activation results in rapid increase in ROS formation and cell death. We conclude that ROS formation by cryptochromes may indeed be of physiological relevance and could represent a novel paradigm for cryptochrome signaling.
Fil: Consentino, Laurent. Université Pierre et Marie Curie; Francia
Fil: Lambert, Stefan. Université Pierre et Marie Curie; Francia
Fil: Martino, Carlos. Université Pierre et Marie Curie; Francia. University of Florida; Estados Unidos
Fil: Jourdan, Nathalie. Université Pierre et Marie Curie; Francia
Fil: Bouchet, Pierre Etienne. Université Pierre et Marie Curie; Francia
Fil: Witczak, Jacques. Université Pierre et Marie Curie; Francia
Fil: Castello, Pablo Raul. Universidad de Belgrano. Facultad de Ciencias Exactas y Naturales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Université Pierre et Marie Curie; Francia
Fil: El-Esawi, Mohamed. Université Pierre et Marie Curie; Francia. Tanta University; Egipto
Fil: Corbineau, Francoise. Université Pierre et Marie Curie; Francia
Fil: d'Harlingue, Alain. Université Pierre et Marie Curie; Francia
Fil: Ahmad, Margaret. Université Pierre et Marie Curie; Francia. Universidad Xavier; Estados Unidos - Materia
-
ARABIDOPSIS THALIANA
CRYPTOCHROME
OXIDATIVE STRESS
PHOTOMORPHOGENESIS
PHOTORECEPTOR
REACTIVE OXYGEN SPECIES (ROS) SIGNALING - 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:11336/99292
Ver los metadatos del registro completo
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oai:ri.conicet.gov.ar:11336/99292 |
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network_name_str |
CONICET Digital (CONICET) |
spelling |
Blue-light dependent reactive oxygen species formation by Arabidopsis cryptochrome may define a novel evolutionarily conserved signaling mechanismConsentino, LaurentLambert, StefanMartino, CarlosJourdan, NathalieBouchet, Pierre EtienneWitczak, JacquesCastello, Pablo RaulEl-Esawi, MohamedCorbineau, Francoised'Harlingue, AlainAhmad, MargaretARABIDOPSIS THALIANACRYPTOCHROMEOXIDATIVE STRESSPHOTOMORPHOGENESISPHOTORECEPTORREACTIVE OXYGEN SPECIES (ROS) SIGNALINGhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Cryptochromes are widespread blue-light absorbing flavoproteins with important signaling roles. In plants they mediate de-etiolation, developmental and stress responses resulting from interaction with downstream signaling partners such as transcription factors and components of the proteasome. Recently, it has been shown that Arabidopsis cry1 activation by blue light also results in direct enzymatic conversion of molecular oxygen (O2) to reactive oxygen species (ROS) and hydrogen peroxide (H2O2) in vitro. Here we explored whether direct enzymatic synthesis of ROS by Arabidopsis cry1 can play a physiological role in vivo. ROS formation resulting from cry1 expression was measured by fluorescence assay in insect cell cultures and in Arabidopsis protoplasts from cryptochrome mutant seedlings. Cell death was determined by colorimetric assay. We found that ROS formation results from cry1 activation and induces cell death in insect cell cultures. In plant protoplasts, cryptochrome activation results in rapid increase in ROS formation and cell death. We conclude that ROS formation by cryptochromes may indeed be of physiological relevance and could represent a novel paradigm for cryptochrome signaling.Fil: Consentino, Laurent. Université Pierre et Marie Curie; FranciaFil: Lambert, Stefan. Université Pierre et Marie Curie; FranciaFil: Martino, Carlos. Université Pierre et Marie Curie; Francia. University of Florida; Estados UnidosFil: Jourdan, Nathalie. Université Pierre et Marie Curie; FranciaFil: Bouchet, Pierre Etienne. Université Pierre et Marie Curie; FranciaFil: Witczak, Jacques. Université Pierre et Marie Curie; FranciaFil: Castello, Pablo Raul. Universidad de Belgrano. Facultad de Ciencias Exactas y Naturales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Université Pierre et Marie Curie; FranciaFil: El-Esawi, Mohamed. Université Pierre et Marie Curie; Francia. Tanta University; EgiptoFil: Corbineau, Francoise. Université Pierre et Marie Curie; FranciaFil: d'Harlingue, Alain. Université Pierre et Marie Curie; FranciaFil: Ahmad, Margaret. Université Pierre et Marie Curie; Francia. Universidad Xavier; Estados UnidosWiley Blackwell Publishing, Inc2015-06info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/99292Consentino, Laurent; Lambert, Stefan; Martino, Carlos; Jourdan, Nathalie; Bouchet, Pierre Etienne; et al.; Blue-light dependent reactive oxygen species formation by Arabidopsis cryptochrome may define a novel evolutionarily conserved signaling mechanism; Wiley Blackwell Publishing, Inc; New Phytologist; 206; 4; 6-2015; 1450-14620028-646XCONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.13341info:eu-repo/semantics/altIdentifier/doi/10.1111/nph.13341info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:54:00Zoai:ri.conicet.gov.ar:11336/99292instacron: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:34982025-09-29 09:54:00.533CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Blue-light dependent reactive oxygen species formation by Arabidopsis cryptochrome may define a novel evolutionarily conserved signaling mechanism |
title |
Blue-light dependent reactive oxygen species formation by Arabidopsis cryptochrome may define a novel evolutionarily conserved signaling mechanism |
spellingShingle |
Blue-light dependent reactive oxygen species formation by Arabidopsis cryptochrome may define a novel evolutionarily conserved signaling mechanism Consentino, Laurent ARABIDOPSIS THALIANA CRYPTOCHROME OXIDATIVE STRESS PHOTOMORPHOGENESIS PHOTORECEPTOR REACTIVE OXYGEN SPECIES (ROS) SIGNALING |
title_short |
Blue-light dependent reactive oxygen species formation by Arabidopsis cryptochrome may define a novel evolutionarily conserved signaling mechanism |
title_full |
Blue-light dependent reactive oxygen species formation by Arabidopsis cryptochrome may define a novel evolutionarily conserved signaling mechanism |
title_fullStr |
Blue-light dependent reactive oxygen species formation by Arabidopsis cryptochrome may define a novel evolutionarily conserved signaling mechanism |
title_full_unstemmed |
Blue-light dependent reactive oxygen species formation by Arabidopsis cryptochrome may define a novel evolutionarily conserved signaling mechanism |
title_sort |
Blue-light dependent reactive oxygen species formation by Arabidopsis cryptochrome may define a novel evolutionarily conserved signaling mechanism |
dc.creator.none.fl_str_mv |
Consentino, Laurent Lambert, Stefan Martino, Carlos Jourdan, Nathalie Bouchet, Pierre Etienne Witczak, Jacques Castello, Pablo Raul El-Esawi, Mohamed Corbineau, Francoise d'Harlingue, Alain Ahmad, Margaret |
author |
Consentino, Laurent |
author_facet |
Consentino, Laurent Lambert, Stefan Martino, Carlos Jourdan, Nathalie Bouchet, Pierre Etienne Witczak, Jacques Castello, Pablo Raul El-Esawi, Mohamed Corbineau, Francoise d'Harlingue, Alain Ahmad, Margaret |
author_role |
author |
author2 |
Lambert, Stefan Martino, Carlos Jourdan, Nathalie Bouchet, Pierre Etienne Witczak, Jacques Castello, Pablo Raul El-Esawi, Mohamed Corbineau, Francoise d'Harlingue, Alain Ahmad, Margaret |
author2_role |
author author author author author author author author author author |
dc.subject.none.fl_str_mv |
ARABIDOPSIS THALIANA CRYPTOCHROME OXIDATIVE STRESS PHOTOMORPHOGENESIS PHOTORECEPTOR REACTIVE OXYGEN SPECIES (ROS) SIGNALING |
topic |
ARABIDOPSIS THALIANA CRYPTOCHROME OXIDATIVE STRESS PHOTOMORPHOGENESIS PHOTORECEPTOR REACTIVE OXYGEN SPECIES (ROS) SIGNALING |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
Cryptochromes are widespread blue-light absorbing flavoproteins with important signaling roles. In plants they mediate de-etiolation, developmental and stress responses resulting from interaction with downstream signaling partners such as transcription factors and components of the proteasome. Recently, it has been shown that Arabidopsis cry1 activation by blue light also results in direct enzymatic conversion of molecular oxygen (O2) to reactive oxygen species (ROS) and hydrogen peroxide (H2O2) in vitro. Here we explored whether direct enzymatic synthesis of ROS by Arabidopsis cry1 can play a physiological role in vivo. ROS formation resulting from cry1 expression was measured by fluorescence assay in insect cell cultures and in Arabidopsis protoplasts from cryptochrome mutant seedlings. Cell death was determined by colorimetric assay. We found that ROS formation results from cry1 activation and induces cell death in insect cell cultures. In plant protoplasts, cryptochrome activation results in rapid increase in ROS formation and cell death. We conclude that ROS formation by cryptochromes may indeed be of physiological relevance and could represent a novel paradigm for cryptochrome signaling. Fil: Consentino, Laurent. Université Pierre et Marie Curie; Francia Fil: Lambert, Stefan. Université Pierre et Marie Curie; Francia Fil: Martino, Carlos. Université Pierre et Marie Curie; Francia. University of Florida; Estados Unidos Fil: Jourdan, Nathalie. Université Pierre et Marie Curie; Francia Fil: Bouchet, Pierre Etienne. Université Pierre et Marie Curie; Francia Fil: Witczak, Jacques. Université Pierre et Marie Curie; Francia Fil: Castello, Pablo Raul. Universidad de Belgrano. Facultad de Ciencias Exactas y Naturales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Université Pierre et Marie Curie; Francia Fil: El-Esawi, Mohamed. Université Pierre et Marie Curie; Francia. Tanta University; Egipto Fil: Corbineau, Francoise. Université Pierre et Marie Curie; Francia Fil: d'Harlingue, Alain. Université Pierre et Marie Curie; Francia Fil: Ahmad, Margaret. Université Pierre et Marie Curie; Francia. Universidad Xavier; Estados Unidos |
description |
Cryptochromes are widespread blue-light absorbing flavoproteins with important signaling roles. In plants they mediate de-etiolation, developmental and stress responses resulting from interaction with downstream signaling partners such as transcription factors and components of the proteasome. Recently, it has been shown that Arabidopsis cry1 activation by blue light also results in direct enzymatic conversion of molecular oxygen (O2) to reactive oxygen species (ROS) and hydrogen peroxide (H2O2) in vitro. Here we explored whether direct enzymatic synthesis of ROS by Arabidopsis cry1 can play a physiological role in vivo. ROS formation resulting from cry1 expression was measured by fluorescence assay in insect cell cultures and in Arabidopsis protoplasts from cryptochrome mutant seedlings. Cell death was determined by colorimetric assay. We found that ROS formation results from cry1 activation and induces cell death in insect cell cultures. In plant protoplasts, cryptochrome activation results in rapid increase in ROS formation and cell death. We conclude that ROS formation by cryptochromes may indeed be of physiological relevance and could represent a novel paradigm for cryptochrome signaling. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015-06 |
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/11336/99292 Consentino, Laurent; Lambert, Stefan; Martino, Carlos; Jourdan, Nathalie; Bouchet, Pierre Etienne; et al.; Blue-light dependent reactive oxygen species formation by Arabidopsis cryptochrome may define a novel evolutionarily conserved signaling mechanism; Wiley Blackwell Publishing, Inc; New Phytologist; 206; 4; 6-2015; 1450-1462 0028-646X CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/99292 |
identifier_str_mv |
Consentino, Laurent; Lambert, Stefan; Martino, Carlos; Jourdan, Nathalie; Bouchet, Pierre Etienne; et al.; Blue-light dependent reactive oxygen species formation by Arabidopsis cryptochrome may define a novel evolutionarily conserved signaling mechanism; Wiley Blackwell Publishing, Inc; New Phytologist; 206; 4; 6-2015; 1450-1462 0028-646X CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.13341 info:eu-repo/semantics/altIdentifier/doi/10.1111/nph.13341 |
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 |
dc.publisher.none.fl_str_mv |
Wiley Blackwell Publishing, Inc |
publisher.none.fl_str_mv |
Wiley Blackwell Publishing, Inc |
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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1844613644248154112 |
score |
13.070432 |