菌体的进化关系来自基于蛋白质语言模型的蛋白质体表征.
Swapnesh Panigrahi1, Mireille Ansaldi1, Nicolas Ginet1
1Phage cycle and bacterial metabolism team - Laboratoire de Chimie Bactérienne - UMR7283 CNRS/Aix-Marseille Université, Marseille 13009, France.
NAR genomics and bioinformatics
|October 24, 2025
概括
这项研究介绍了层次病毒,一种使用蛋白质语言模型嵌入的细菌基因组学框架. 它揭示了与当前分类学一致的多尺度菌体等级,使菌体关系的大规模发现成为可能.
科学领域:
- 病毒学 病毒学
- 生物信息学是一种生物信息学.
- 计算生物学 计算生物学
- 基因组学就是基因组学.
背景情况:
- 病毒分类学面临着由于重组和缺乏通用标记物的挑战.
- 目前的病毒分类越来越依赖于基于蛋白质组的聚类.
- 扩大病毒数据集需要可扩展的方法来分析菌体关系.
研究的目的:
- 开发一个细菌的比较基因组学框架.
- 为了利用蛋白质语言模型 (pLM) 嵌入用于菌体蛋白质组表示.
- 为了实现大规模的组织,分析和发现菌体进化关系.
主要方法:
- 介绍细菌比较基因组学的"等级病毒"框架.
- 使用pLM嵌入式生成全蛋白质组向量表示.
- 从INPHARED数据集中对24,362个菌体的矢量表示的集群.
主要成果:
- 发现了菌体的多层次层次组织.
- 证明层次结构与ICTV属和亚系的分类学排名一致 (AMI分数>0.9).
- 基于pLM的蛋白质组表征的验证,以捕捉没有多个序列对齐的进化关系.
结论:
- 基于pLM的蛋白质组表征有效地捕捉了菌体的进化关系.
- "层次病毒"框架促进了可扩展的分析和菌体关系的发现.
- 这种方法为编码进化信息的矢量菌体数据集奠定了基础.
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