共查询到20条相似文献,搜索用时 15 毫秒
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RNA regulation in plant abiotic stress responses 总被引:1,自引:0,他引:1
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逆境胁迫严重影响着全世界范围内的作物产量。为减少逆境胁迫损伤,植物在长期的进化过程中形成了多级别(转录、转录后和翻译、翻译后)的基因表达调控应答机制。最近研究发现,内源microRNA(miRNA)在植物逆境胁迫应答中具有重要的调节作用。在逆境胁迫发生时,一些miRNA会表达上调,而另一些miRNA会表达下调;miRNA正是通过下调胁迫应答过程的负调节子靶基因和上调胁迫应答过程中的正调节子靶基因,来执行生理调控功能。通过综述miRNA在植物逆境应答中的作用,以期全面的了解逆境胁迫调控网络。 相似文献
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Emerging roles of long non-coding RNAs in plant response to biotic and abiotic stresses 总被引:1,自引:0,他引:1
Naghmeh Nejat 《Critical reviews in biotechnology》2018,38(1):93-105
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Bacterial pathogens sense their environment, and in response, virulence genes are induced or repressed through spatial and temporal regulation. They are also subjected to stress conditions, which require appropriate responses. Recent research has revealed that RNAs are key regulators in pathogens. Small RNAs regulate the translation and/or stability of mRNAs that encode virulence proteins, or proteins with roles in adaptive responses, which are triggered by environmental cues and stresses. In most cases, these small RNAs act directly on target RNAs by an antisense mechanism. Other small RNAs act indirectly, by sequestration of regulatory proteins. Direct sensing of environmental signals can occur through induced structural changes in mRNAs. 相似文献
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Dual RNAs in plants 总被引:1,自引:0,他引:1
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Cold stress regulation of gene expression in plants 总被引:22,自引:1,他引:21
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RNA-based regulation in the plant circadian clock 总被引:1,自引:0,他引:1
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A S Lee 《Current opinion in cell biology》1992,4(2):267-273
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