Light regulation of plant defense
Precise allocation of limited resources between growth and defense is critical for plant survival. In shade-intolerant species, perception of competition signals by informational photoreceptors activates shade-avoidance responses and reduces the expression of defenses against pathogens and insects....
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| Formato: | Artículo |
| Lenguaje: | Inglés |
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| Acceso en línea: | http://ri.agro.uba.ar/files/intranet/articulo/2014ballare.pdf LINK AL EDITOR |
| Aporte de: | Registro referencial: Solicitar el recurso aquí |
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| 024 | |a 10.1146/annurev-arplant-050213-040145 | ||
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| 100 | 1 | |9 672 |a Ballaré, Carlos Luis | |
| 245 | 0 | 0 | |a Light regulation of plant defense |
| 520 | |a Precise allocation of limited resources between growth and defense is critical for plant survival. In shade-intolerant species, perception of competition signals by informational photoreceptors activates shade-avoidance responses and reduces the expression of defenses against pathogens and insects. The main mechanism underlying defense suppression is the simultaneous downregulation of jasmonate and salicylic acid signaling by low ratios of red:far-red radiation. Inactivation of phytochrome B by low red:far-red ratios appears to suppress jasmonate responses by altering the balance between DELLA and JASMONATE ZIM DOMAIN [ JAZ] proteins in favor of the latter. SolarUVB radiation is a positivemodulator of plant defense, signaling through jasmonate-dependent and jasmonate - independent pathways. Light, perceived by phytochrome B and presumably other photoreceptors, helps plants concentrate their defensive arsenals in photosynthetically valuable leaves. The discovery of connections between photoreceptors and defense signaling is revealing novel mechanisms that control key resource allocation decisions in plant canopies. | ||
| 653 | 0 | |a PLANT IMMUNITY | |
| 653 | 0 | |a JASMONATE | |
| 653 | 0 | |a PHYTOCHROME | |
| 653 | 0 | |a SALICYLIC ACID | |
| 653 | 0 | |a ULTRAVIOLET- B RADIATION | |
| 653 | 0 | |a UVB RADIATION | |
| 653 | 0 | |a UVR8 | |
| 773 | |t Annual review of plant biology |g Vol.65, no.4 (2014), p.335-363, grafs. | ||
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| 900 | |a 10.1146/annurev-arplant-050213-040145 | ||
| 900 | |a ^tLight regulation of plant defense | ||
| 900 | |a ^aBallaré^bC. L. | ||
| 900 | |a ^aBallaré^bCarlos Luis | ||
| 900 | |a ^aBallaré^bCarlos Luis^tIFEVA, Consejo Nacional de Investigaciones Científicas y Técnicas-Universidad de Buenos Aires, C1417DSE Buenos Aires, Argentina; email: ballare@ifeva.edu.ar y IIB-INTECH, Consejo Nacional de Investigaciones Científicas y Técnicas-Universidad Nacional de San Martín, B1650HMP Buenos Aires, Argentina | ||
| 900 | |a ^tAnnual review of plant biology | ||
| 900 | |a en | ||
| 900 | |a p.335 | ||
| 900 | |a ^egrafs. | ||
| 900 | |a Vol.65, no.4 (2014) | ||
| 900 | |a 363 | ||
| 900 | |a PLANT IMMUNITY | ||
| 900 | |a JASMONATE | ||
| 900 | |a PHYTOCHROME | ||
| 900 | |a SALICYLIC ACID | ||
| 900 | |a ULTRAVIOLET- B RADIATION | ||
| 900 | |a UVB RADIATION | ||
| 900 | |a UVR8 | ||
| 900 | |a Precise allocation of limited resources between growth and defense is critical for plant survival. | ||
| 900 | |a The main mechanism underlying defense suppression is the simultaneous downregulation of jasmonate and salicylic acid signaling by low ratios of | ||
| 900 | |a red:far-red radiation. | ||
| 900 | |a Inactivation of phytochrome B by low red:far-red ratios appears to suppress jasmonate responses by altering the balance between | ||
| 900 | |a DELLA and JASMONATE ZIM DOMAIN [ JAZ] proteins in favor of the latter. | ||
| 900 | |a SolarUVB radiation is a positivemodulator of plant defense, signaling through jasmonate-dependent and jasmonate - independent pathways. Light, perceived by phytochrome B and presumably other photoreceptors, helps plants concentrate their defensive arsenals in photosynthetically valuable leaves. | ||
| 900 | |a The discovery of connections between photoreceptors and defense signaling is revealing novel mechanisms that control key resource allocation decisions in plant canopies. | ||
| 900 | |a 2014 | ||
| 900 | |a AAG | ||
| 900 | |a 2014ballare | ||
| 900 | |a http://ri.agro.uba.ar/files/intranet/articulo/2014ballare.pdf | ||
| 900 | |a http://www.annualreviews.org | ||
| 900 | |a GM | ||
| 900 | |a BP | ||
| 900 | |a BP | ||
| 900 | |a BP | ||
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