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相关概念视频

Responses to Heat and Cold Stress02:45

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Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.
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Regulation of Transpiration by Stomata02:04

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During photosynthesis, plants acquire the necessary carbon dioxide and release the produced oxygen back into the atmosphere. Openings in the epidermis of plant leaves is the site of this exchange of gasses. A single opening is called a stoma—derived from the Greek word for “mouth.” Stomata open and close in response to a variety of environmental cues.
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相关实验视频

Updated: May 21, 2025

Potato Virus X-Based microRNA Silencing VbMS In Potato.
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综合的转录组分析显示,StMAPK7调节了土豆的寒冷反应.

Xiaobo Luo1, Ximiao Ye2, Mingjun Chen3

  • 1The Key Laboratory of Plant Resources Conservation and Germplasm Innovationin Mountainous Region (Ministry of Education), Institute of Agro-Bioengineering, Guizhou University, Guiyang, 550025, Guizhou Province, China; Guizhou Institute of Biotechnology, Guizhou Provincial Academy of Agricultural Sciences, Guiyang, 550009, China; Guizhou Key Laboratory of Agriculture Biotechnology, Guiyang, 550009, China.

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概括
此摘要是机器生成的。

种植土豆植物的土豆植物.

关键词:
寒冷的适应 寒冷的适应寒冷的压力是冷的压力.马的土豆 马的土豆这就是 StMAPK7K7的原因.转录组 转录组就是一个转录组.在WGCNA中,WGCNA是WGCNA.

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科学领域:

  • 植物科学 植物科学
  • 分子生物学分子生物学
  • 遗传学 遗传学 是一个

背景情况:

  • 寒冷压力显著影响土豆作物的产量和质量.
  • 马冷应激反应的精确分子机制尚未完全理解.

研究的目的:

  • 为了阐明马冷应激反应的分子机制.
  • 为了确定关键的基因和参与寒冷适应的调节网络.

主要方法:

  • 在冷应力下对叶绿体超结构进行比较分析.
  • RNA测序 (RNA-seq) 用于识别差异表达基因 (DEG).
  • 基因本体学 (GO) 和基因和基因组的京都百科全书 (KEGG) 路径分析.
  • 权重基因共同表达网络分析 (WGCNA) 来构建监管网络.
  • StMAPK7.7的细胞下定位和功能分析.

主要成果:

  • 寒冷压力改变了S. cardiophyllum的叶绿细胞超结构,但不是S. commersonii.
  • 鉴定了3623个DEG作为对寒冷适应的反应.
  • 丰富的GO术语包括膜蛋白复合体和光合作用;KEGG分析突出了光合作用和叶绿素代谢.
  • WGCNA确定了与寒冷压力相关的四个监管网络.
  • 位于核中的StMAPK7,对冷应激反应进行了积极调节,减少了叶子损伤和电解质泄漏.

结论:

  • StMAPK7在提高土豆耐寒性方面发挥着至关重要的作用.
  • 这项研究提供了对土豆寒冷应激调节网络的见解.
  • 这些发现为开发耐寒马品种提供了理论基础.