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Updated: Jan 29, 2026

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绵羊对胃肠虫感染的遗传耐药性:转录组学和其他OMIC技术的当前见解-一篇评论
Krishani Sinhalage1, Guilherme Henrique Gebim Polizel1,2, Niel A Karrow1
1Centre for Genetic Improvement of Livestock, Department of Animal Biosciences, University of Guelph, 50 Stone Road East, Guelph, ON N1G 2W1, Canada.
Pathogens (Basel, Switzerland)
|January 28, 2026
概括
由于胃肠道线虫 (GIN) 感染的广泛传播,培养耐寄生虫的绵羊至关重要. 综合性omics方法揭示了选择性育种的关键遗传和免疫因素,提供了可持续的控制策略.
科学领域:
- 兽医寄生虫学 兽医寄生虫学
- 免疫遗传学 免疫遗传学
- 动物基因组学 动物基因组学
背景情况:
- 胃肠道线虫 (GIN) 感染导致全球绵羊的重大经济损失和福利问题.
- 目前的甲虫疗法面临药物耐药性和环境影响的挑战.
- 针对宿主遗传耐药性的选择性育种是一种可持续的替代方案,由先进的奥米克研究提供信息.
研究的目的:
- 审查与绵羊对GIN感染的耐药性和易感性相关的转录基因特征.
- 探索基因组学,蛋白质组学,代谢学和微生物组数据如何增强对GIN耐药性的理解.
- 识别候选基因,免疫路径和生物标志物用于育种计划.
主要方法:
- 转录组研究的审查,特别是RNA测序,以确定差异性基因表达和遗传变异 (SNP,INDEL).
- 整合基因组,蛋白质组,代谢组和微生物组数据,以提供一个多基因组视角.
- 分析免疫通路,调节网络和耐药与易感羊中的微生物特征.
主要成果:
- 转录学确定了与Th2免疫,抗原呈现,组织修复和压力信号相关的差异性基因表达和功能变异.
- 基因组分析揭示了与免疫调节和寄生虫抵抗相关的SNP和QTL.
- 蛋白质组学,代谢组学和微生物组研究表明,在耐药羊中存在品种和组织特异性变化以及独特的微生物特征.
结论:
- 多omics方法提供了对复杂的宿主-寄生虫相互作用在GIN耐药性的全面了解.
- 已识别的候选生物标志物可以支持基因组选择,以开发可持续的,耐寄生虫的绵羊种群.
- 综合性奥米克研究对于推进针对绵羊GIN感染的遗传耐药性策略至关重要.
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