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dc.contributor.author
Casal, Jorge Jose
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dc.date.available
2016-02-05T19:29:35Z
dc.date.issued
2013-04
dc.identifier.citation
Casal, Jorge Jose; Photoreceptor Signaling Networks in Plant Responses to Shade; Annual Reviews; Annual Review of Plant Biology; 64; 4-2013; 403-427
dc.identifier.issn
1543-5008
dc.identifier.uri
http://hdl.handle.net/11336/4082
dc.description.abstract
The dynamic light environment of vegetation canopies is perceived by phytochromes, cryptochromes, phototropins, and UV RESISTANCE LOCUS 8 (UVR8). These receptors control avoidance responses to preclude exposure to limiting or excessive light and acclimation responses to cope with conditions that cannot be avoided. The low red/far-red ratios of shade light reduce phytochrome B activity, which allows PHYTOCHROME INTERACTING FACTORS (PIFs) to directly activate the transcription of auxin-synthesis genes, leading to shade-avoidance responses. Direct PIF interaction with DELLA proteins links gibberellin and brassinosteroid signaling to shade avoidance. Shade avoidance also requires CONSTITUTIVE PHOTOMORPHOGENESIS 1 (COP1), a target of cryptochromes, phytochromes, and UVR8. Multiple regulatory loops and the input of the circadian clock create a complex network able to respond even to subtle threats of competition with neighbors while still compensating for major environmental fluctuations such as the day-night cycles.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Annual Reviews
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
Canopy Shade
dc.subject
Phytochrome
dc.subject
Phytochrome Interacting Factor
dc.subject
Auxin
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
Photoreceptor Signaling Networks in Plant Responses to Shade
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2016-03-30 10:35:44.97925-03
dc.journal.volume
64
dc.journal.pagination
403-427
dc.journal.pais
Estados Unidos
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dc.journal.ciudad
Palo Alto
dc.description.fil
Fil: Casal, Jorge Jose. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura; Argentina. Fundación Instituto Leloir; Argentina
dc.journal.title
Annual Review of Plant Biology
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.annualreviews.org/doi/full/10.1146/annurev-arplant-050312-120221?url_ver=Z39.88-2003&rfr_id=ori%3Arid%3Acrossref.org&rfr_dat=cr_pub%3Dpubmed&
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/issn/1543-5008
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/DOI:10.1146/annurev-arplant-050312-120221
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