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在番茄中优化组织培养和Cas9转基因表达:迈向基于CRISPR/Cas9的基因改进的一步

Rashmi Kaul¹, Arulprakash Thangaraj¹, Shivani Sharda²

¹Nutritional Improvement of Crops Group, Plant Biology and Biotechnology Division, International Centre for Genetic Engineering and Biotechnology (ICGEB), New Delhi, India; Centre for Cellular & Molecular Biology, Amity Institute of Biotechnology, Amity University, Noida, Uttar Pradesh, India.

Plant science : an international journal of experimental plant biology

|November 29, 2024

概括

本研究提出了一种利用CRISPR/Cas9技术再生和基因改造番茄植物的有效方法. 优化的协议显著提高了生物工程应用开发转基因番茄菌株的成功率.

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
农业科学农业科学

背景情况:

番茄 (Solanum lycopersicum L.) 是抗氧化剂的重要来源,对生物工程非常重要.
目前用于茄改良的CRISPR/Cas9方法在再生和基因改造效率方面存在局限性.

研究的目的:

开发一种高效的再生和转化协议,用于创建Cas9基因转基因番茄植物.
为了优化植物生长激素度的直接射出和根的再生从 hypocotyl explants.

主要方法:

使用了Agrobacterium tumefaciens菌株LBA4404与一个pCRISPR/Cas9TK2-NIC二元载体.
优化植物生长调节剂 (Zeatin,IAA,BAP) 在MS介质中进行再生.
采用聚合酶链反应 (PCR) 和南方涂抹用于转基因验证.

主要成果:

确定了最佳的激素组合,用于发芽 (Zeatin,IAA,BAP) 和根 (BAP,IAA) 的再生.
在番茄植物中实现了高再生效率 (88%) 和转化效率 (54%).
在番茄基因组中成功验证了Cas9转基因的整合.

结论:

使用CRISPR/Cas9系统为番茄建立了一个高效的基因传递平台.
优化的协议增强了转基因番茄植物的开发,以用于未来的研究和应用.

关键词:

通过农业细菌介导的转化过程.在CRISPR/Cas9系统中.催眠的方法催眠的方法再生和转化效率的提高.茄子番茄子番茄子

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