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J Integr Plant Biol ›› 2010, Vol. 52 ›› Issue (11): 981-995.DOI: 10.1111/j.1744-7909.2010.00986.x
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Lie-Bo Shu1,2, Wei Ding2, Jin-Hong Wu2, Fang-Jun Feng2, Li-Jun Luo1,2* and Han-Wei Mei2*
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Following the idea of partial root-zone drying (PRD) in crop cultivation, the morphological and physiological responses to partial root osmotic stress (PROS) and whole root osmotic stress (WROS) were investigated in rice. WROS caused stress symptoms like leaf rolling and membrane leakage. PROS stimulated stress signals, but did not cause severe leaf damage. By proteomic analysis, a total of 58 proteins showed differential expression after one or both treatments, and functional classification of these proteins suggests that stress signals regulate photosynthesis, carbohydrate and energy metabolism. Two other proteins (anthranilate synthase and submergence-induced nickel-binding protein) were upregulated only in the PROS plants, indicating their important roles in stress resistance. Additionally, more enzymes were involved in stress defense, redox homeostasis, lignin and ethylene synthesis in WROS leaves, suggesting a more comprehensive regulatory mechanism induced by osmotic stress. This study provides new insights into the complex molecular networks within plant leaves involved in the adaptation to osmotic stress and stress signals.
Shu LB, Ding W, Wu JH, Feng FJ, Luo LJ, Mei HW (2010) Proteomic analysis of rice leaves shows the different regulations to osmotic stress and stress signals. J. Integr. Plant Biol. 52(11), 981–995
Lie-Bo Shu, Wei Ding, Jin-Hong Wu, Fang-Jun Feng, Li-Jun Luo, and Han-Wei Mei. Proteomic Analysis of Rice Leaves Shows the Different Regulations to Osmotic Stress and Stress Signals[J]. J Integr Plant Biol, 2010, 52(11): 981-995.
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链接本文: https://www.jipb.net/CN/10.1111/j.1744-7909.2010.00986.x
https://www.jipb.net/CN/Y2010/V52/I11/981