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植物对干旱胁迫的分子反应 预览 被引量:48

Molecular response of plant to drought stress
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摘要 干旱胁迫是影响植物生长发育的主要因子. 渗透保护剂的合成和积累、脱水伤害的修复、自由基清除酶和LEA蛋白基因表达的增量调节能增加植物的耐干旱性. 植物在干旱条件下至少有4条信号转导途径,其中2条信号途径是依赖ABA的,另外2条途径是不依赖ABA的. 在植物干旱胁迫的信号转导中,双组分的组氨酸激酶可能起渗透感受器的作用,Ca2+和 IP3可能是脱水信号的第2信使. 转基因植物是一种评价编码蛋白功能的良好系统. Drought stress is a bottleneck factor for plant growth and development . Synthesis and accumulation of osmoprotectants,up regulation of gene expression implicated in repair of desiccation injury,free radical scavenging enzymes and late embryogenesis abundant(LEA)protein could increase the drought tolerance of plant. There are at least four pathways of signal transduction in plant subjected to drought stress,two are abscisic acid(ABA) dependent,and two are ABA independent. In the signal transduction of plants encountered drought stress,two component His protein kinase could act as an osmosensor,and Ca 2+ and inositol triphosphate(IP3)could be the second messenger for dehydration signaling. Transgenic plant is an excellent system in evaluating function of encoded protein.
作者 宋松泉 王彦荣 SONG Songquan 1 and WANG Yanrong 2( 1Xishuangbanna Tropical Botanical Garden,Chinese Academy of Sciences,Menla 666303; 2 College of Pastoral Agriculture Science and Technology,Lannzhou University;Gansu Grassland Ecological Research Institute,Lanzhou
出处 《应用生态学报》 CAS CSCD 2002年第8期 1037-1044,共8页 Chinese Journal of Applied Ecology
基金 国家重点基础研究发展计划(973计划)
关键词 植物 干旱胁迫 分子反应 Drought stress, Gene expression, ABA, Signaling transduction, Transgenic plant.
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  • 1[1]Abe H,Yamaguchi-Shinozaki K,Urao T,et al.1997.Role of Arabidopsis MYC and MYB homologs in drought and abscisic acid-regulated gene expression.Plant Cell,9:1859~1868 被引量:1
  • 2[2]Blatt MR.2000.Ca2+ signaling and control of guard-cell volume in stomatal movements.Current Opinion Plant Biol,3:196~204 被引量:1
  • 3[3]Bewley JD,Black M.1994.Seeds,Physiology of Development and Germination.New York: Plenum Press.117~145 被引量:1
  • 4[4]Bonifacino JS,Weissman AM.1998.Ubiqutin and the control of protein fate in the secretory and endocytic pathways.Annu Rev Cell Dev Biol,14:19~57 被引量:1
  • 5[5]Bray EA.1997.Plant responses to water deficit.Trends Plant Sci,2:48~54 被引量:1
  • 6[6]Chang C,Stewart RC.1998.The two component system,regulation of diverse signaling pathways in prokaryotes and eukaryotes.Plant Physiol,117:723~731 被引量:1
  • 7[7]Close TJ.1996.Dehydrins: Emergence of a biochemical role of a family of plant dehydration protein.Physiol Plant,97:795~803 被引量:1
  • 8[8]Cushman JC,Bohnert HJ.2000.Genomic approaches to plant stress tolerance.Current Opinion Plant Biol,3:117~124 被引量:1
  • 9[9]Elster R.1994.Physiological and Molecular Characteristics of Sucrose-phosphate Synthase and Sucrose Synthase in Drought Treated Hungspflanze Craterostigma plantagineum Hochst.Ph D Thesis,Univ Kln. 被引量:1
  • 10[10]Espartero J,Pinter-Toro JA,Pardo JM.1994.Differential accumulation of S-adenosylmethionine synthetase transcripts in response to salt stress.Plant Mol Biol,25:217~227. 被引量:1

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