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相关概念视频

In-vitro Mutagenesis01:16

In-vitro Mutagenesis

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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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Transgenic Plants02:50

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Recombinant DNA technology called transgenesis is often used to add a foreign gene or remove a detrimental gene from an organism. Such genetically modified organisms are called transgenic organisms.
The first-ever transgenic plant was a tobacco plant developed in 1983 that showed resistance against the tobacco mosaic virus. Since then, many transgenic plants have been developed and commercialized for improving the agricultural, ornamental, and horticultural value of a crop plant. Transgenic...
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Mutagenicity and Carcinogenicity01:25

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Mutagenicity and carcinogenicity refer to the ability of drugs to cause genetic defects and induce cancer, respectively. The International Agency for Research on Cancer (IARC) classifies agents into four groups based on their carcinogenic potential. Group 1 agents are known human carcinogens; group 2A agents are probably carcinogenic to humans; group 3 agents lack data to support their role in carcinogenesis; and group 4 includes agents for which data support that they are not likely to be...
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相关实验视频

Updated: May 16, 2025

Gene-targeted Random Mutagenesis to Select Heterochromatin-destabilizing Proteasome Mutants in Fission Yeast
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在水果作物中的定向突变发生.

Rajdeep Mohanta1, Payal Maiti2, Amit Baran Sharangi3

  • 1Department of Agriculture, Brainware University, Barasat, Kolkata, 700125 West Bengal India.

3 Biotech
|April 3, 2025
PubMed
概括
此摘要是机器生成的。

定向变种提供精确的遗传改变,以改善果作物,增强诸如大小和抗病能力等特征. 像CRISPR-Cas9这样的先进技术是克服基本粮食作物的遗传多样性下降的关键.

关键词:
克里斯普尔卡斯9水果作物作物 果实作物作物这就是 MutMap Map 的原因.突变发生是突变发生的.变异原体是发生变异的诱因.突变突变是一种突变.这就是TALEN.计时计时 计时计时计时

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Mutagenesis and Functional Selection Protocols for Directed Evolution of Proteins in E. coli
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科学领域:

  • 植物遗传学和育种.
  • 农业生物技术 农业生物技术
  • 园艺科学 园艺科学

背景情况:

  • 水果作物对全球营养安全至关重要,提供必需的维生素,矿物质和食纤维.
  • 果作物遗传多样性的显著下降需要创新的育种策略.
  • 传统的突变发生法方法往往缺乏精度,导致随机遗传变化.

研究的目的:

  • 探索用于水果作物遗传增强的先进定向突变发生技术.
  • 审查精确基因操纵在水果育种中的应用和影响.
  • 突出这些技术在改善水果作物特征和弹性方面的潜力.

主要方法:

  • 对有针对性的突变发生技术的审查,包括CRISPR-Cas9,TALEN,TILLING,MutMap和MutMap+.
  • 对同源重组 (HR) 介导的基因替代进行精确的DNA修饰的讨论.
  • 探索太空突变作为遗传变异的额外工具.

主要成果:

  • 有针对性的突变发生使得精确的基因淘汰,有针对性的插入和在水果作物基因组内的修改成为可能.
  • 这些技术可以为所需的特征微调基因表达和蛋白质功能.
  • 在果,葡萄,类和草中的成功应用表明了水果大小,颜色,风味,保质期和抗压能力的改善.

结论:

  • 定向突变发生是一种强大的方法来解决果作物的遗传基因下降的问题.
  • 先进的技术提供了前所未有的精度,可以增强期望的水果特性和作物弹性.
  • 这些方法对于确保未来的营养安全和农业可持续性至关重要.