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Experimental RNAi02:15

Experimental RNAi

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RNA interference (RNAi) is a cellular mechanism that inhibits gene expression by suppressing its transcription or activating the RNA degradation process. The mechanism was discovered by Andrew Fire and Craig Mello in 1998 in plants. Today, it is observed in almost all eukaryotes, including protozoa, flies, nematodes, insects, parasites, and mammals. This precise cellular mechanism of gene silencing has been developed into a technique that provides an efficient way to identify and determine the...
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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.
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Genome editing technologies allow scientists to modify an organism’s DNA via the addition, removal, or rearrangement of genetic material at specific genomic locations. These types of techniques could potentially be used to cure genetic disorders such as hemophilia and sickle cell anemia. One popular and widely used DNA-editing research tool that could lead to safe and effective cures for genetic disorders is the CRISPR-Cas9 system. CRISPR-Cas9 stands for Clustered Regularly Interspaced...
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相关实验视频

Updated: May 20, 2025

RNAi-mediated Control of Aflatoxins in Peanut: Method to Analyze Mycotoxin Production and Transgene Expression in the Peanut/Aspergillus Pathosystem
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基于RNAi的转基因植物的风险评估考虑

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    本指南概述了使用RNA干扰 (RNAi) 技术对转基因植物 (GMP) 的风险评估要求. 它详细介绍了分子表征,食品和料安全以及基于RNAi的GMP应用的暴露评估所需的分析.

    关键词:
    这是一种RNA干扰.转基因生物 转基因生物 转基因生物分子特征的分子表征.没有编码的RNA.偏离目标 - 偏离目标.风险评估 风险评估 风险评估

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    科学领域:

    • 转基因生物 (GMO) 是一种转基因生物.
    • 植物生物技术 植物生物技术
    • 分子生物学分子生物学
    • 风险评估 风险评估

    背景情况:

    • 欧盟条例503/2013和EFSA指南 (2011) 定义了对转基因植物 (GMP) 的风险评估.
    • 使用RNA干扰 (RNAi) 来进行转录沉默的转基因植物需要进行特定的额外分析.
    • 目前用于评估植物中RNAi目标之外的现有策略需要根据当前的知识进行更新.

    研究的目的:

    • 为提交给EFSA的基于RNAi的GMP申请提供关于风险评估要求的最新指导.
    • 详细分析分子特征,食品/料安全性和饮食暴露评估所需的分析.
    • 取代以前的转基因生物小组策略,用于评估RNAi的目标外.

    主要方法:

    • 专注于生物信息分析用于分子表征.
    • 确认特定的RNAi诱导的特征.
    • 对食品和料安全的评估.
    • 通过饮食暴露的评估.

    主要成果:

    • 建立了基于RNAi的GMP应用程序的全面要求.
    • 整合了当前对植物RNAi机制的科学理解.
    • 提供了对分子,安全和暴露评估的统一方法.

    结论:

    • 该指南确保了基于RNAi的GMP的可靠风险评估.
    • 它解决了与植物遗传修饰中的RNAi技术相关的具体挑战.
    • 这一更新的战略支持基于RNAi的GMP的安全开发和部署.