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高质量的染色体层次的基因组组合Nicotiana benthamiana

Seo-Rin Ko^1,2, Sanghee Lee^1,3, Hyunjin Koo¹

¹Plant Systems Engineering Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, 34141, Republic of Korea.

Scientific data

|April 16, 2024

概括

我们向您展示了来自韩国的Nicotiana benthamiana LAB菌株 (NbKLAB) 的高质量基因组组. 该资源揭示了与NbLAB360菌株相比的主要基因组差异,推动了植物遗传学研究.

科学领域:

植物基因组学植物基因组学
分子生物学分子生物学
遗传学是一个遗传学.

背景情况:

尼科蒂亚娜·本塔米亚纳 (Nicotiana benthamiana) 是植物研究中的一个至关重要的模型生物.
越来越多地认识到N. benthamiana的物种内基因变异.
需要精确的基因组序列,特定于其地理来源.

研究的目的:

来自韩国的N. benthamiana LAB菌株 (NbKLAB) 的高质量的染色体级基因组组合.
为了比较NbKLAB基因组与广泛使用的NbLAB360菌株,识别基因组差异.
为植物研究提供一个有价值的基因组资源.

主要方法:

NbKLAB菌株的染色体级基因组组合.
在NbKLAB和NbLAB360菌株之间进行基因组比较分析.
使用N50和BUSCO完整性等指标评估组装质量.

主要成果:

一个高质量的基因组组合NbKLAB与19个染色体 (2,762 Mb,N50 142.6 Mb).
鉴定变异,包括46,215个蛋白质编码基因和99.5%的BUSCO完整性.
与NbLAB360.0相比,组装质量的显著改善 (QV从33%提高到49%)

结论:

NbKLAB基因组组合为N. benthamiana提供了一个精细而精确的基因组资源.
对比洞察力突出了菌株之间的基本基因组差异.
该研究为先进的植物遗传学和基因组学研究奠定了基础.

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Genome Annotation and Assembly

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The genome refers to all of the genetic material in an organism. It can range from a few million base pairs in microbial cells to several billion base pairs in many eukaryotic organisms. Genome assembly refers to the process of taking the DNA sequencing data and putting it all back together in a correct order to create a close representation of the original genome. This is followed by the identification of functional elements on the newly assembled genome, a process called genome annotation.