Blue light regulated shade avoidance
Most plants grow in dense vegetation with the risk of being out-competed by neighboring plants. These neighbors can be detected not only through the depletion in light quantity that they cause, but also through the change in light quality, which plants perceive using specific photoreceptors. Both th...
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Otros Autores: | , , , |
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Formato: | Artículo |
Lenguaje: | Inglés |
Materias: | |
Acceso en línea: | http://ri.agro.uba.ar/files/intranet/articulo/2012Keuskamp.pdf LINK AL EDITOR |
Aporte de: | Registro referencial: Solicitar el recurso aquí |
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245 | 1 | 0 | |a Blue light regulated shade avoidance |
520 | |a Most plants grow in dense vegetation with the risk of being out-competed by neighboring plants. These neighbors can be detected not only through the depletion in light quantity that they cause, but also through the change in light quality, which plants perceive using specific photoreceptors. Both the reduction of the red:far-red ratio and the depletion of blue light are signals that induce a set of phenotypic traits, such as shoot elongation and leaf hyponasty, which increase the likelihood of light capture in dense plant stands. This set of phenotypic responses are part of the so called "shade avoidance syndrome" [SAS]. This addendum discusses recent findings on the regulation of the SAS of Arabidopsis thaliana upon blue light depletion. Keller et al. and Keuskamp et al. show that the low blue light attenuation induced shade avoidance response of seedling and rosette-stage A. thaliana plants differ in their hormonal regulation. These studies also show there is a regulatory overlap with the R:FR-regulated SAS. | ||
653 | 0 | |a CRYPTOCHROME | |
653 | 0 | |a HORMONES | |
653 | 0 | |a LIGHT | |
653 | 0 | |a PHOTORECEPTOR | |
653 | 0 | |a PHYTOCHROME | |
653 | 0 | |a SHADE AVOIDANCE | |
653 | 0 | |a PHYTOHORMONE | |
653 | 0 | |a VISUAL PROTEINS AND PIGMENTS | |
653 | 0 | |a ADAPTATION | |
653 | 0 | |a ARABIDOPSIS | |
653 | 0 | |a COLOR | |
653 | 0 | |a DRUG EFFECT | |
653 | 0 | |a METABOLISM | |
653 | 0 | |a PHYSIOLOGY | |
653 | 0 | |a RADIATION EXPOSURE | |
653 | 0 | |a ADAPTATION, PHYSIOLOGICAL | |
653 | 0 | |a PHOTORECEPTORS, PLANT | |
653 | 0 | |a PLANT GROWTH REGULATORS | |
653 | 0 | |a ARABIDOPSIS THALIANA | |
700 | 1 | |a Keuskamp, Diederik H. |9 71813 | |
700 | 1 | |9 67355 |a Keller, Mercedes M. | |
700 | 1 | |9 672 |a Ballaré, Carlos Luis | |
700 | 1 | |9 69471 |a Pierik, Ronald | |
773 | |t Plant Signaling and Behavior |g Vol.7, no.4 (2012), p.514-517 | ||
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900 | |a ^tBlue light regulated shade avoidance | ||
900 | |a ^aKeuskamp^bD.H. | ||
900 | |a ^aKeller^bM.M. | ||
900 | |a ^aBallaré^bC.L. | ||
900 | |a ^aPierik^bR. | ||
900 | |a ^aKeuskamp^bD. H. | ||
900 | |a ^aKeller^bM. M. | ||
900 | |a ^aBallaré^bC. L. | ||
900 | |a ^aPierik^bR. | ||
900 | |a ^aKeuskamp^bD.H.^tInstitute of Environmental Biology, Utrecht University, Utrecht, Netherlands | ||
900 | |a ^aKeller^bM.M.^tIfeva, Consejo Nacional de Investigaciones Cientificas y Tecnicas, Universidad de Buenos Aires, Buenos Aires, Argentina | ||
900 | |a ^aBallaré^bC.L. | ||
900 | |a ^aPierik^bR. | ||
900 | |a ^tPlant Signaling and Behavior^cPlant. Signal. Behav. | ||
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900 | |a 514 | ||
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900 | |a Vol. 7, no. 4 | ||
900 | |a 517 | ||
900 | |a CRYPTOCHROME | ||
900 | |a HORMONES | ||
900 | |a LIGHT | ||
900 | |a PHOTORECEPTOR | ||
900 | |a PHYTOCHROME | ||
900 | |a SHADE AVOIDANCE | ||
900 | |a PHYTOHORMONE | ||
900 | |a VISUAL PROTEINS AND PIGMENTS | ||
900 | |a ADAPTATION | ||
900 | |a ARABIDOPSIS | ||
900 | |a COLOR | ||
900 | |a DRUG EFFECT | ||
900 | |a METABOLISM | ||
900 | |a PHYSIOLOGY | ||
900 | |a RADIATION EXPOSURE | ||
900 | |a ADAPTATION, PHYSIOLOGICAL | ||
900 | |a PHOTORECEPTORS, PLANT | ||
900 | |a PLANT GROWTH REGULATORS | ||
900 | |a ARABIDOPSIS THALIANA | ||
900 | |a Most plants grow in dense vegetation with the risk of being out-competed by neighboring plants. These neighbors can be detected not only through the depletion in light quantity that they cause, but also through the change in light quality, which plants perceive using specific photoreceptors. Both the reduction of the red:far-red ratio and the depletion of blue light are signals that induce a set of phenotypic traits, such as shoot elongation and leaf hyponasty, which increase the likelihood of light capture in dense plant stands. This set of phenotypic responses are part of the so called "shade avoidance syndrome" [SAS]. This addendum discusses recent findings on the regulation of the SAS of Arabidopsis thaliana upon blue light depletion. Keller et al. and Keuskamp et al. show that the low blue light attenuation induced shade avoidance response of seedling and rosette-stage A. thaliana plants differ in their hormonal regulation. These studies also show there is a regulatory overlap with the R:FR-regulated SAS. | ||
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