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KMID : 0368420090520020102
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Journal of Plant Biology
2009 Volume.52 No. 2 p.102 ~ p.113
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ROS-Mediated ABA Signaling
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Cho Dae-Shik
Shin Dong-Jin
Jeon Byeong-Wook
Kwak June M.
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Abstract
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In plants, reactive oxygen species (ROS) are short-lived molecules produced through various cellular mechanisms in response to biotic and abiotic stimuli. ROS function as second messengers for hormone signaling, development, oxygen deprivation, programmed cell death, and plant?pathogen interactions. Recent research on ROS-mediated responses has produced stimulating findings such as the specific sources of ROS production, molecular elements that work in ROS-mediated signaling and homeostasis, and a ROS-regulated gene network (Neill et al., Curr Opin Plant Biol 5:388?395, 2002a; Apel and Hirt, Annu Rev Plant Biol 55:373?399, 2004; Mittler et al., Trends Plant Sci 9:490?498, 2004; Mori and Schroeder, Plant Physiol 135:702?708, 2004; Kwak et al., Plant Physiol 141:323?329, 2006; Torres et al., Plant Physiol 141:373?378, 2006; Miller et al., Physiol Plant 133:481?489, 2008). In this review, we highlight new discoveries in ROS-mediated abscisic acid (ABA) signaling.
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KEYWORD
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Abscisic acid, Homeostasis, NADPH oxidase, Reactive oxygen species
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