IFEVA   02662
INSTITUTO DE INVESTIGACIONES FISIOLOGICAS Y ECOLOGICAS VINCULADAS A LA AGRICULTURA
Unidad Ejecutora - UE
congresos y reuniones científicas
Título:
Phytochrome regulation of plant defense and JA signaling. Invited Symposium Presentation.
Autor/es:
BALLARÉ CL
Lugar:
Mar del Plata
Reunión:
Simposio; SAFV Reunión Bianaual; 2012
Institución organizadora:
SAFV
Resumen:
Phytochrome regulation of plant defense and jasmonate signaling   Carlos L. Ballaré   IFEVA, Consejo Nacional de Investigaciones Científicas y Técnicas, and Universidad de Buenos Aires, Avenida San Martín 4453, C1417DSE Buenos Aires, Argentina (ballare@ifeva.edu.ar)     Plants have sophisticated defense systems to protect their tissues against the attack of herbivorous organisms and pathogens. Many of these defense responses are orchestrated by the oxylipin jasmonate (JA). A growing body of evidence indicates that the expression of JA-induced changes in the trascriptome and metabolome are tightly regulated by the ecological context of the plant.  Phytochrome B (phyB), a photoreceptor that plants use to detect the proximity of other plants, is emerging as a key regulator of JA signaling. This regulation appears to play an important role modulating the allocation of resources to different functions, including growth and defense. In this presentation, I will discuss recent advances in our understanding of the molecular mechanisms whereby phyB modulates defense responses, and address the functional implications of the crosstalk between light and JA signaling.