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首页> 美国卫生研究院文献>DNA Research: An International Journal for Rapid Publication of Reports on Genes and Genomes >Editors choice: A comprehensive genome-wide analysis of autophagy-related genes identified in tobacco suggests a central role of autophagy in plant response to various environmental cues
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Editors choice: A comprehensive genome-wide analysis of autophagy-related genes identified in tobacco suggests a central role of autophagy in plant response to various environmental cues

机译：编辑选择：对烟草中自噬相关基因的全面全基因组分析表明自噬在植物对各种环境线索的反应中起着重要作用

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Autophagy is an evolutionarily conserved mechanism in both animals and plants, which has been shown to be involved in various essential developmental processes in plants. Nicotiana tabacum is considered to be an ideal model plant and has been widely used for the study of the roles of autophagy in the processes of plant development and in the response to various stresses. However, only a few autophagy-related genes (ATGs) have been identified in tobacco up to now. Here, we identified 30 ATGs belonging to 16 different groups in tobacco through a genome-wide survey. Comprehensive expression profile analysis reveals an abroad expression pattern of these ATGs, which could be detected in all tissues tested under normal growth conditions. Our series tests further reveal that majority of ATGs are sensitive and responsive to different stresses including nutrient starvation, plant hormones, heavy metal and other abiotic stresses, suggesting a central role of autophagy, likely as an effector, in plant response to various environmental cues. This work offers a detailed survey of all ATGs in tobacco and also suggests manifold functions of autophagy in both normal plant growth and plant response to environmental stresses.
机译：自噬在动物和植物中都是进化上保守的机制，已经显示出它参与了植物的各种基本发育过程。烟草被认为是理想的模型植物，已被广泛用于研究自噬在植物发育过程中以及对各种胁迫的响应中的作用。然而，到目前为止，在烟草中仅鉴定了少数自噬相关基因（ATG）。在这里，我们通过全基因组调查确定了烟草中16个不同组的30个ATG。全面的表达谱分析揭示了这些ATG的国外表达模式，可以在正常生长条件下测试的所有组织中检测到它们。我们的系列测试进一步揭示，大多数ATG对不同的胁迫（包括营养不足，植物激素，重金属和其他非生物胁迫）敏感并有响应，表明自噬在植物对各种环境提示的反应中可能起着效应器的核心作用。这项工作提供了对烟草中所有ATG的详细调查，还提出了自噬在正常植物生长和植物对环境胁迫的响应中的多种功能。

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