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PLASMe:使用变压器识别短读组件中的PLASMid连接器的工具

Xubo Tang¹, Jiayu Shang¹, Yongxin Ji¹

¹Department of Electrical Engineering, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong SAR, China.

Nucleic acids research

|July 10, 2023

概括

PLASMe是一个新的工具,可以从复杂的DNA测序数据中准确检测等离子体. 它结合了对齐和机器学习来识别密切相关和分离的等离子体,改进了细菌基因转移研究.

科学领域:

基因组学就是基因组学.
生物信息学是一种生物信息学.
微生物学微生物学

背景情况:

质粒是关键的移动遗传元素,促进细菌水平基因转移.
下一代测序 (NGS) 是等离子体发现的关键,但像contigs这样的组装工件使检测复杂化.
现有的等离子体检测工具存在局限性,缺少分离等离子体或精度低.

研究的目的:

开发一种强大的等离子体检测工具PLASMe,克服当前方法的局限性.
为了提高来自各种测序数据的等离子体结合识别的准确性和可靠性.

主要方法:

PLASMe集成了基于对齐的方法,用于密切相关的等离子体和特定顺序的变压器模型,用于分离的等离子体.
等离子体序列被编码为一种语言,使用基于蛋白质集群的令牌进行变压器分析.
在模拟 (CAMI2) 和真实元基因组/等离子体数据集上评估了性能.

主要成果:

与其他工具相比,PLASMe在检测完整的等离子体和等离子体结合物方面获得了最高的F1分数.
该工具在真实世界的元基因组和等离子体组数据上展示了可靠的性能.
对标记基因的分析证实了PLASMe的卓越可靠性.

结论:

在等离子体检测准确性和可靠性方面,PLASMe提供了显著的进步.
该工具的混合方法有效地解决了碎片化NGS数据带来的挑战.
PLASMe是编目等离子体和理解它们在细菌进化和基因转移中的作用的宝贵资产.

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相关概念视频

Genome Annotation and Assembly

Genome Annotation and Assembly

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.