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dc.contributor.author
Martin, R. Emily
dc.contributor.author
Marzol, Eliana
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dc.contributor.author
Estevez, Jose Manuel
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dc.contributor.author
Muday, Gloria K.
dc.date.available
2023-10-12T12:03:47Z
dc.date.issued
2022-07
dc.identifier.citation
Martin, R. Emily; Marzol, Eliana; Estevez, Jose Manuel; Muday, Gloria K.; Ethylene signaling increases reactive oxygen species accumulation to drive root hair initiation in Arabidopsis; Company of Biologists; Development; 149; 13; 7-2022; 1-17
dc.identifier.issn
0950-1991
dc.identifier.uri
http://hdl.handle.net/11336/214967
dc.description.abstract
Root hair initiation is a highly regulated aspect of root development. The plant hormone ethylene and its precursor, 1-amino-cyclopropane-1-carboxylic acid, induce formation and elongation of root hairs. Using confocal microscopy paired with redox biosensors and dyes, we demonstrated that treatments that elevate ethylene levels lead to increased hydrogen peroxide accumulation in hair cells prior to root hair formation. In the ethylene-insensitive receptor mutant, etr1-3, and the signaling double mutant, ein3eil1, the increase in root hair number or reactive oxygen species (ROS) accumulation after ACC and ethylene treatment was lost. Conversely, etr1-7, a constitutive ethylene signaling receptor mutant, has increased root hair formation and ROS accumulation, similar to ethylene-treated Col-0 seedlings. The caprice and werewolf transcription factor mutants have decreased and elevated ROS levels, respectively, which are correlated with levels of root hair initiation. The rhd2-6 mutant, with a defect in the gene encoding the ROS-synthesizing RESPIRATORY BURST OXIDASE HOMOLOG C (RBOHC), and the prx44-2 mutant, which is defective in a class III peroxidase, showed impaired ethylene-dependent ROS synthesis and root hair formation via EIN3EIL1-dependent transcriptional regulation. Together, these results indicate that ethylene increases ROS accumulation through RBOHC and PRX44 to drive root hair formation.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Company of Biologists
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
ETHYLENE
dc.subject
PEROXIDASE
dc.subject
RBOH
dc.subject
REACTIVE OXYGEN SPECIES
dc.subject
ROOT HAIRS
dc.subject.classification
Bioquímica y Biología Molecular
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Ethylene signaling increases reactive oxygen species accumulation to drive root hair initiation in Arabidopsis
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2023-07-26T15:41:50Z
dc.journal.volume
149
dc.journal.number
13
dc.journal.pagination
1-17
dc.journal.pais
Reino Unido
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dc.description.fil
Fil: Martin, R. Emily. University Wake Forest; Estados Unidos
dc.description.fil
Fil: Marzol, Eliana. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Bioquímicas de Buenos Aires. Fundación Instituto Leloir. Instituto de Investigaciones Bioquímicas de Buenos Aires; Argentina
dc.description.fil
Fil: Estevez, Jose Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Bioquímicas de Buenos Aires. Fundación Instituto Leloir. Instituto de Investigaciones Bioquímicas de Buenos Aires; Argentina
dc.description.fil
Fil: Muday, Gloria K.. University Wake Forest; Estados Unidos
dc.journal.title
Development
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1242/dev.200487
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