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脱水蛋白在逆境下的分子作用机制研究进展 被引量:10

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摘要 脱水蛋白属于LEA(late embryogenesis abundant protein)Ⅱ蛋白家族,均含有K片段(EKKGIMDKIKEKLPG).根据聚类分析和脱水蛋白的保守区域可将其分为5亚类:YnSK2,Kn, KnS,SKn和YnK.碱性YnSK2型脱水蛋白主要受干旱和脱落酸诱导表达;Kn型由低温和寒冷诱导; KnS和SKn型等酸性脱水蛋白则优先受低温诱导;Y2Kn型与植物抗寒和抗旱有关.最近的研究表明脱水蛋白在逆境下保护细胞免受伤害的作用机制主要包括:防止细胞免受脱水的作用;聚集在膜附近,稳定生物膜的结构;在低温下起防冻剂的作用;结合金属离子和清除自由基的活性等.
作者 张玉秀 王梓
出处 《自然科学进展》 北大核心 2007年第1期1-10,共10页
基金 国家自然科学基金(批准号:39970070 30370128) 国家转基因植物研究与产业化专项(J00-A-00803 JY03A2002)资助
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  • 1Houde M,Daniel C, Lachapelle M, et al. Immunolocalization offreezing-tolerance-associated proteins in the cytoplasm and nucle-oplasm of wheat crown tissues. Plant J, 1995, 8(4) : 583-593.
  • 2Close TJ. Dehydrins: Emergence of a biochemical role of a family of plant dehydration proteins. Physiol Plant, 1996, 97: 795-8O3.
  • 3Patnaik D, Mahalakshmi A, Khurana P. Effect of water stressand heavy metals on induction of somatic embryogenesis in wheatleaf base cultures. Indian J Exp Biol, 2005, 43(8) : 740-745.
  • 4Close TJ, Kortt AA, Chandler PM. A eDNA-based comparisonof dehydration-induced proteins (dehydrins) in barley and corn.Plant Mol Biol, 1989, 13(1): 95-108.
  • 5Lisse T, Bartels D, Kalbitzer HR, et al. The recombinant de-hydrin-like desiccation stress protein from the resurrection plantCraterostigma plantagineum displays no defined three-dimen-sional structure in its native state. Biol Chem, 1996, 377(9):555-561.
  • 6Soulages JL, Kim K, Arrese EL, et al. Conformation of a Group2 late embryogenesis abundant protein from soybean. Evidence ofPoly ( L-Proline )-type Ⅱ structure. Plant Physiol, 2003,131(3): 963-975.
  • 7Ismail AM, Hall AE, Close TJ. Purification and partial charac-terization of a dehydrin involved in chilling tolerance during seed-ling emergence of cowpea. Physiol Plant, 1999, 120(1): 237-244.
  • 8Close TJ. Dehydrins: A commonalty in the response of plants todehydration and low temperature. Physiol Plant, 1997, 100:291-296.
  • 9Godoy JA, Lunar R, Moreno J, et al. Expression, tissue distri-bution and subeellular localization of dehydrin TAS14 in salt-stressed tomato plants. Plant Mol Biol, 1994, 26(6):1921-1934.
  • 10Jensen AB, Goday A, Figueras M, et al. Phosphorylation medi-ates the nuclear targeting of the maize Rab17 protein. Plant J,1998, 13(5): 691-697.

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