深度学习预测了禽流感H5N1与人类流感病毒的潜在重组
Jun-Qing Wei1,2, Sen Zhang1, Ya-Dan Li1
1State Key Laboratory of Pathogen and Biosecurity, Academy of Military Medical Science, Beijing 100071, China.
National science review
|December 18, 2025
概括
一个新的AI模型,HAIRANGE,预测鸟类H5N1流感A病毒 (IAV) 与人类IAV重组. 该工具识别了潜在的适应性病毒基因重组带来的流行病风险.
科学领域:
- 病毒学和生物信息学
- 计算生物学和机器学习
- 传染病流行病学 传染病流行病学
背景情况:
- 禽流感A型病毒 (IAVs),特别是H5N1,由于可能与人类IAVs重组,造成了重大流行病威胁.
- 预测病毒适应和重组对于疫情准备和监测至关重要.
- 基因组背景在病毒宿主适应和血清型确定中起着至关重要的作用.
研究的目的:
- 开发一个注意力深度学习模型,HAIRANGE,用于预测鸟类H5N1和人类IAV的人类适应性重新分类.
- 评估IAV RNA聚合酶基因的基因组背景和病毒宿主/血清型之间的关联.
- 通过体外测试验证模型的预测.
主要方法:
- 开发了HAIRANGE深度学习模型,其中包含了一个新的Codon2Vec嵌入器.
- 与ESM2和DNABERT2.2等既有模型对比HAIRANGE的嵌入器进行基准测试.
- 试验室聚合酶活性测定验证预测的适应性重组.
主要成果:
- 该Codon2Vec嵌入器展示了竞争性性能,突出显示了基因组背景对IAV RNA聚合酶基因的重要性.
- 毛色准确地预测了基因适应和适应性重组事件.
- 关于鸟类H5N1和人类H3N2IAV之间的适应性重组的预测和实验验证.
结论:
- 通过利用嵌入式基因组背景,HAIRANGE有效地预测了自适应性IAV重组.
- 该模型为识别禽流感病毒潜在的流行病威胁提供了有价值的工具.
- 这项研究强调了H5N1 IAV通过与人类流感菌株重新组合的持续流行潜力.
更多相关视频
07:15Preparation of Pseudo-Typed H5 Avian Influenza Viruses with Calcium Phosphate Transfection Method and Measurement of Antibody Neutralizing Activity
Published on: November 22, 2021
2.8K
08:46Rapid Diagnosis of Avian Influenza Virus in Wild Birds: Use of a Portable rRT-PCR and Freeze-dried Reagents in the Field
Published on: August 2, 2011
16.0K
相关概念视频
Viral Recombination
24.8K
Cells are sometimes infected by more than one virus at once. When two viruses disassemble to expose their genomes for replication in the same cell, similar regions of their genomes can pair together and exchange sequences in a process called recombination. Alternatively, viruses with segmented genomes can swap segments in a process called reassortment.
24.8K
Viral Mutations
39.5K
A mutation is a change in the sequence of bases of DNA or RNA in a genome. Some mutations occur during replication of the genome due to errors made by the polymerase enzymes that replicate DNA or RNA. Unlike DNA polymerase, RNA polymerase is prone to errors because it is not capable of “proofreading” its work. Viruses with RNA-based genomes, like HIV, therefore accrue mutations faster than viruses with DNA-based genomes. Because mutation and recombination provide the raw material...
39.5K
Leaky Scanning
5.6K
During most eukaryotic translation processes, the small 40S ribosome subunit scans an mRNA from its 5' end until it encounters the first start AUG codon. The large 60S ribosomal subunit then joins the smaller one to initiate protein synthesis. The location of the translation initiation is largely determined by the nucleotides near the start codon as there may be multiple translation initiation sites present on the mRNA. Marilyn Kozak discovered that the sequence RCCAUGG (where R...
5.6K
