在Polygonatum odoratum (Mill.) 中开发SSR标记物用于遗传多样性分析和物种识别. 德鲁斯基于转录组序列的研究
Gen Pan1,2,3, Jing Xie1, Yuhui Qin2
1Institute of Chinese Medicine Resources, Hunan Academy of Chinese Medicine, Changsha, Hunan Province, China.
PloS one
|September 23, 2024
概括
这项研究开发了Polygonatum odoratum的新型表达序列标记-简单序列重复 (EST-SSR) 标记,揭示了遗传多样性,并使这种传统的中国草本能够进行物种识别和标记辅助育种.
科学领域:
- * 植物学 植物学
- * 分子生物学 * 分子生物学
- * 遗传学 在遗传学方面
背景情况:
- * 多角形臭味 (Mill.) 是一个多角形臭味. 德鲁斯是一种重要的中国传统草药.
- *由于稀缺的转录组和基因组数据,对其遗传多样性的分子层次理解有限.
研究的目的:
- * 组装转录基因数据并识别Polygonatum odoratum中的单序重复 (SSR) 动机.
- * 开发表达序列标签-SSR (EST-SSR) 标记器,用于遗传多样性分析和育种应用.
主要方法:
- * Polygonatum odoratum根茎的转录基因组测序. 这是一个很大的问题.
- * 识别和分析SSR图案和设计SSR原料对.
- *在24个多重形体臭味菌的生殖质中对SSR标记物的多态性查.
主要成果:
- *确定了37,387个单基因和11,021个SSR动机.
- *设计了9987个SSR初始器对,其中21个标记器显示多态.
- *遗传多样性分析揭示了种群结构和有效的物种识别原始 ("YZ14", "YZ47").
结论:
- *成功构建了Polygonatum odoratum的第一个EST-SSR标记数据集.
- *开发的EST-SSR标记器是用于遗传关系分析,物种识别和标记器辅助选择育种的有效工具.
相关概念视频
01:29Modern Molecular Taxonomy
836
Advancements in molecular biology have revolutionized the identification and characterization of bacteria, with multiple methods leveraging DNA sequencing for enhanced precision. As sequencing technologies improve and costs decline, these approaches are increasingly used in clinical, environmental, and evolutionary studies.Multilocus Sequence Typing (MLST) examines several housekeeping genes, essential chromosomal genes encoding cellular functions, to distinguish strains. Approximately...
836
01:20Applications of Molecular Taxonomy
705
Molecular taxonomy has revolutionized the understanding and classification of bacteria, providing precise insights into their diversity, evolutionary relationships, and ecological roles. By utilizing molecular techniques such as DNA sequencing and fingerprinting, researchers have made significant strides in various fields related to bacterial studies.Resolving Taxonomic AmbiguitiesMolecular taxonomy has been instrumental in distinguishing closely related bacterial species initially thought to...
705