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相关概念视频

Responses to Salt Stress02:02

Responses to Salt Stress

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Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.
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Gene Regulation During Sporulation01:17

Gene Regulation During Sporulation

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Sporulation is a complex developmental process that allows certain Gram-positive bacteria, such as Bacillus subtilis and Clostridium species, to survive extreme environmental conditions. This process is tightly regulated by a series of signaling cascades and transcriptional controls, ensuring the formation of a highly resistant endospore.Sporulation is triggered by unfavorable conditions, such as nutrient depletion, and is governed by a phosphorelay system. One of the sensor kinases, such as...
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Ribosome Profiling02:24

Ribosome Profiling

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Ribosome profiling or ribo-sequencing is a deep sequencing technique that produces a snapshot of active translation in a cell. It selectively sequences the mRNAs protected by ribosomes to get an insight into a cell’s translation landscape at any given point in time.
Applications of ribosome profiling
Ribosome profiling has many applications, including in vivo monitoring of translation inside a particular organ or tissue type and quantifying new protein synthesis levels.
The technique...
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Obtaining High-Quality Transcriptome Data from Cereal Seeds by a Modified Method for Gene Expression Profiling
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转录基因分析和盐耐受性基因挖掘在水发芽期间.

Xiao Han1, Zhihai Wu1, Fangbiao Liu1

  • 1Faculty of Agronomy, Jilin Agricultural University, Changchun 130118, China.

Genes
|August 26, 2023
PubMed
概括

这项研究在盐应激下确定了在品种中差异表达的基因,揭示了诸如烯生物合成和植物激素信号传递等关键途径. 这些发现提供了对水发芽期间盐耐受性机制的见解.

科学领域:

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

背景情况:

  • 盐应激显著影响作物生产率,需要制定提高作物盐耐受性的策略.
  • 识别耐盐基因和了解它们的机制对于开发改进的米品种至关重要.

研究的目的:

  • 为了研究在芽期间大米盐耐受性的分子机制.
  • 在盐应激下,识别盐敏感和耐盐米品种之间的差异性表达基因.

主要方法:

  • 在150 mmol/L NaCl应力下对两种 japonica 米品种 (Tong 35 和 Ji Nongda 709) 的转录基因组测序.
  • 构建了12个cDNA库,并分析了5个对照组.
  • 基因本体学 (GO) 和基因和基因组的京都百科全书 (KEGG) 对差异表达基因的途径分析.

主要成果:

  • 总共有16829个差异表达的基因被确定.
  • 在盐耐受品种 (JND709) 中特异表达的基因和在两种品种中差异表达的基因的特征.
  • 丰富的KEGG通路包括基生物合成,植物激素信号传递和植物病原体相互作用.

结论:

关键词:
不同的表达方式,不同的表达方式.发芽时间:发芽时间.米米饭 米饭 米饭 米饭.盐的压力是盐的压力.转录组 (transcriptome) 是一个转录组.

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  • 这项研究为了解水发芽过程中的盐耐受性分子基础提供了宝贵的参考资料.
  • 已识别的基因和途径为培育耐盐米生殖质提供了潜在的标.