Regulation of abscisic acid on plant resistance to water stress

Transcript

1 Chinese Bulletin of Life Sciences Vol. 23, No. 1 Jan., 2011 (1 / ) (abscisic acid, ABA) A BA (hydrogen peroxide, H 2 O 2 ) (nitric oxide, NO) Ca 2+ ABA Q ; Q A Regulation of abscisic acid on plant resistance to water stress ZHAO Xiang 1, LI Na 1,2, WANG Peng-Tao 1, ZHANG Xiao 1 * (1 Henan Key Laboratory of Plant Stress Biology/School of Life Sciences Henan University, Kaifeng , China; 2 Zhengzhou Shuqing Medical College, Faculty of Basic Medicine, Zhengzhou , China) Abstract: Drought, salinity, low temperature could lead to water stress in plant growth. Plant perceives water stress and induces the synthesis of abscisic acid (ABA). ABA could induce stomatal closure or inhibit stomatal opening to reduce transpiration. This paper focuses on the function of plant hormone ABA and its downstream signal intermediating (H 2 O 2, NO and Ca 2+ ) in stomotal movement of plant to establish the basic model of regulation of ABA on stomotal movement under water stress. Key words: abscisic acid; stomotal movement; water stress (abscisic acid, ABA) ABA [1-3] ABA [4] ABA ABA ABA [5-7] ( ) (2009YBZR039) H xzhang@henu.edu.cn. 2 O 2 NO Ca 2+ ABA

2 116 ABA ABA (abscisic aldehyde oxidase, AAO3) ABA [21] ABA [8-10] ABA [11,12] ABA ABA ABA ABA [13] ABA ABA Ikegami [14] ABA ABA CHLH Mg 2+ (Mg- chelatase)h ABA ABA 4 h [22] CHLH ABA ABA CHLH ABA [23] ABA ABA CHLH [ 13 C] ABA ABA Liu [24] ABA GCR2 G α GPA1 Ch ri stm an n [15] A B A (hydraulic signal) GCR2 ABA GCR2 ABA GCR2 ABA Nambara Marion-Poll [16] [25] GCR2 ABA ABA GCR2 [26] C 15 Pandey [27] (farnesyl pyrophosphate, FPP) FPP GTG1 GTG2(GPCR G ) 15 ABA ABA (mevalonic acid, MVA) C 40 GTP GDP C 15 GTGs ABA ABA (xanthoxin, XAN) GTGs ABA ABA C 40 ABA ABA PYR1/RCAR1 [28] ABA PYR1 ( ) α/β ABA ABA ABA ABA [16] gcr2 ABA ABA PP2C(ABI1) ABA [17] PP2C SnRK2s(OST1) (zeaxanthin epoxidase, ZEP) ABA SnRK2s(OST1) [28-31] DNA ABA ABA2 [18] 9- (9-cis- ABA epoxycarotenoid dioxygenase, NCED) 9-9- H 2 O 2 K + [19] NCED ABA ph ABA [6,7,32] [20] ABA H + -ATPase ABA

3 117 [33] NO H 2 O 2 ost1 ABA ROS [34,35] ABA H 2 O 2 H + -ATPase ABA OST1 ABA ROS [36] Grabov [37] Ca 2+ fura-2 ABA PYR/PYL/RCAR ABA Ca 2+ ABA type 2C, ABA OST1 OST1 [28] ABA Ca 2+ H 2 O 2 ABA H 2 O 2 Ca 2+ [38] Ca 2+ K + K + ABA K + K + [7,32] K + H 2 O 2 K + [39,40] H 2 O 2 [41,42] ABA H 2 O 2 NADPH H 2 O [Ca 2+ ] cyt ABA [7,43] Kwak [44] [2,46] H 2 O 2 [Ca 2+ ] cyt NADPH AtrbohD [Ca 2+ ] cyt AtrbohF AtrbohD AtrbohF ABA Zhang [45] PA Ca 2+ NADPH RbohD RbohF RbohD Arg PA, gca2 H 2 O 2 Ca 2+ [52] PA RbohD ABA abi1 H 2 O 2 ABA Ca 2+ H 2 O 2 Ca 2+ N A D P H H 2 O 2 abi2 McAinsh [46] ABA H 2 O 2 ABA Ca 2+ Ca 2+ Ca 2+ ABA G C [Ca 2+ ] cyt AtrbohD AtrbohF IP3 IP3 Ca 2+ Ca 2+ ABA Ca 2+ [41,54] ABA [Ca 2+ ] cyt K + Ca 2+ H 2 O 2 K + K + AtrbohD AtrbohF Ca 2+ [55] Hung [56] [Ca 2+ ] cyt [44] H 2 O 2 Ca 2+ Ca 2+ CAT H 2 O 2 ABA ABI1 ABI2 / 2C(PP2C) ABA [48] ABA abi1 ROS abi2 ROS [Ca 2+ [57] ] cyt ABI1 ROS ABI2 H 2 O 2 ABA [49] Mustilli [50] OST1 H 2 O 2 Ca 2+ Ca 2+ Ca 2+ Ca 2+ [47,51] ABA H 2 O 2 ABA Ca 2+ Pei [47] [53] Ca 2+ H 2 O 2 Ca 2+ H 2 O 2 H 2 O 2 ABA H 2 O 2 Ca 2+ det3 H 2 O 2 ABA [54] ABA K + ABA H 2 O 2

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