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相关概念视频

Reporter Genes02:11

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Reporter genes are a type of protein-coding gene that are often tagged to a gene of interest. Once inside a target cell, reporter genes usually produce visually identifiable characteristics like fluorescence and luminescence when expressed along with the gene of interest. Thus, reporter genes “report” the presence or absence of genes of interest in an organism, determine the gene expression pattern, or track the physical location of a DNA segment or protein in the cell.
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To learn more about the function of a gene, researchers can observe what happens when the gene is inactivated or “knocked out,” by creating genetically engineered knockout animals. Knockout mice have been particularly useful as models for human diseases such as cancer, Parkinson’s disease, and diabetes.
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相关实验视频

Updated: Jun 6, 2025

Dissection of Enhancer Function Using Multiplex CRISPR-based Enhancer Interference in Cell Lines
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有效增强剂在基因功能研究中的应用.

Feng-Xian Guo1,2,3, Rui-Xue Yang1,2,3, Xia Yang1,2

  • 1State Key Laboratory of Plant Diversity and Specialty Crops and Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China.

Plants (Basel, Switzerland)
|November 27, 2024
PubMed
概括

活性核糖体RNA补充 (ARC) 增强剂显著提高了植物中的基因表达. 六次协同重复的ARC (6×ARC) 增加了表达的130倍,增强了基因功能表现和作物工程潜力.

关键词:
这就是 ARC ARC.阿拉比多普西斯塔利亚纳.奇里塔普米拉普米拉 (Chirita pumila pumila) 是一个非常受欢迎的美食.增强剂是一种增强剂.

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科学领域:

  • 植物生物技术 植物生物技术
  • 分子生物学分子生物学
  • 农作物工程 农作物工程

背景情况:

  • 增加外源基因表达对于成功的基因转换和作物工程至关重要.
  • 转化增强剂在提高基因表达水平和实现所需的表型方面发挥着至关重要的作用.

研究的目的:

  • 为了比较三个转化增强剂 (Ω,OsADH 5',和ARC) 在增强植物基因表达中的效率.
  • 评估ARC增强剂的潜力,特别是6×ARC,用于基因功能研究和作物改进.

主要方法:

  • 使用Nicotiana benthamiana*和Chirita pumila*中的短暂基因表达系统对转化增强剂的比较研究.
  • 在 *C. pumila* 和 *Arabidopsis thaliana* 的 *agrobacterium* 介导的转化系统中评估 6 × ARC 效率.
  • 评估6×ARC与特定基因 (*CpCYC1*, *CpCYC2*, *AtAP1*) 结合的表型影响.

主要成果:

  • 与对照组相比,ARC (6 × ARC) 的六次并行重复显示出更高的增强效率,增加表达力高达130倍.
  • 6 × ARC显著放大了表型效应,包括抑制*C. pumila*的茎发育和色素.
  • 在*Arabidopsis thaliana*,6 × ARC促进了植物性和生殖器官中的素颜料积累.

结论:

  • 6 × ARC增强剂显示了在转基因植物中放大基因功能表现的显著潜力.
  • 这种增强剂可以有效地揭示外源基因的完整功能,帮助基因功能研究.
  • 6 × ARC增强剂对基因转换和作物工程中的应用具有前景.