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不同类型的蝙蝠:基因组学,转录组和免疫谱

Huifang Wang¹, Hao Zhou^2,3, Xinsheng Yao¹

¹Department of Immunology, Center of Immunomolecular Engineering, Innovation & Practice Base for Graduate Students Education, Zunyi Medical University, Zunyi 563000, China.

Current issues in molecular biology

|July 23, 2025

概括

蝙蝠具有独特的特征,如耐病性和寿命,这使得它们对医学研究至关重要. 基因组和免疫分析揭示了特殊的适应,提供了对它们的生物学和抗病毒策略的洞察.

科学领域:

基因组学和转录基因组学对比的Chiroptera (蝙蝠).
感官系统和免疫功能中的进化适应.
动物性传染病耐受性的免疫学和分子生物学.

背景情况:

蝙蝠是唯一的飞行哺乳动物,表现出独特的生物特征,如耐病性,长寿和高新陈代谢.
这些特征在生命科学和医学研究中引起了极大的兴趣,特别是在了解疾病耐药性方面.
测序技术的进步使蝙蝠基因组和转录基因组的全面分析成为可能.

研究的目的:

在各种蝙蝠物种中对基因组架构,感官适应和免疫功能进行比较分析.
研究感官专业化 (听觉,视觉,嗅觉) 的遗传基础及其与生态的联系.
分析免疫系统组件,包括T细胞受体 (TR) 和免疫球蛋白 (IG) 基因家族,了解免疫策略.

主要方法:

77个组合 (54个物种) 的基因组数据和42个物种的转录组数据的组合和注释.
对基因家族 (APOBEC,IFN,PYHIN) 和感官基因 (SLC26A5,FOXP2,RHO) 的比较分析.
对12种物种的TR和IG位点中的V(D) J和C基因家族的注释;比较的谱系分析.

主要成果:

观察到基因组大小和基因家族扩张/收缩的显著物种间差异.
听觉基因 (回声定位蝙蝠) 的融合进化和视觉基因 (吃水果蝙蝠) 的退化已被确定.
蝙蝠使用不同的抗病毒策略,包括增强免疫耐受性和抑制炎症反应.

结论:

蝙蝠基因组和转录基因组数据揭示了与它们的生态角色相关的感觉系统和免疫功能中的专门适应.
对免疫基因家族和谱的比较分析加深了对蝙蝠免疫系统发育和功能的理解.
本综述为蝙蝠生物学研究提供了基础数据和新的视角,特别是在医学和进化背景下.

关键词:

长腿动物 (Chiroptera) 是一个类动物.基因组学就是基因组学.免疫系统的曲目.免疫学免疫学免疫学转录组 (transcriptome) 是一个转录组.

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