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Agronomy 2017, 7(1), 23; doi:10.3390/agronomy7010023

The Role of Specialized Photoreceptors in the  Protection of Energy‐Rich Tissues

1
Michigan State University, 220 Trowbridge Rd, East Lansing, MI 48824, USA
2
Departamento de Botânica, Instituto de Ciências Biológicas, Universidade de Brasília, Brasília, Distrito Federal 70910‐900, Brazil
3
Instituto de Agrobiotecnología del Litoral, UNL‐Conicet, Facultad de Bioquímica y Ciencias Biológicas, Santa Fe 3000, Argentina
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Dan Mullan 
Received: 30 January 2017 / Accepted: 5 March 2017 / Published: 8 March 2017
(This article belongs to the Special Issue Impacts of Photoreceptors on Plant Growth and Development)
View Full-Text   |   Download PDF [1159 KB, uploaded 8 March 2017]   |  

Abstract

The perception and absorption of light by plants is a driving force in plant evolutionary history, as plants have evolved multiple photoreceptors to perceive different light attributes including duration, intensity, direction and quality. Plant photoreceptors interpret these signals from the light environment and mold plant architecture to maximize foliar light capture. As active sites of the production and accumulation of energy‐rich products, leaves are targets of pests and pathogens, which have driven the selection of physiological processes to protect these energy‐rich tissues. In the last ten years, several research groups have accumulated evidence showing that plant photoreceptors control specific molecular programs that define plant growth and immune processes. Here, we discuss recent knowledge addressing these roles in Arabidopsis and show that (1) plant immune responses affect energy acquisition and partitioning; (2) plant photoreceptors interpret the light environment and control growth and immune processes; and finally; (3) defense and light signaling pathways can be genetically manipulated to obtain plants able to grow and defend at the same time. This basic knowledge from Arabidopsis plants should lead new lines of applied research in crops. View Full-Text
Keywords: light environment; phytochromes; defense; jasmonates; JAZ; photosynthesis; biomass;  immune suppression; genetic rewiring light environment; phytochromes; defense; jasmonates; JAZ; photosynthesis; biomass;  immune suppression; genetic rewiring
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Major, I.T.; Campos, M.L.; Moreno, J.E. The Role of Specialized Photoreceptors in the  Protection of Energy‐Rich Tissues. Agronomy 2017, 7, 23.

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