Analysis of nasopharyngeal microbiota revealing microbial disturbance associated with ovine respiratory complex
Research in Veterinary Science, ISSN: 0034-5288, Vol: 179, Page: 105383
2024
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Article Description
The ovine respiratory complex (ORC) is a complex respiratory disease process in ovine causing a significant health concern with substantial morbidity and mortality. It poses a significant threat of impacting animal health, leading to severe health consequences and considerable economic loss. Research on the upper respiratory tract (URT) microbiota is critical for offering insights into pathogenesis, prevention, and treatment strategies of ORC. The goal of this study is to compare the nasopharyngeal microbiota of clinically healthy Hu sheep (Group H) and sheep with ORC (Group P). The 16S rDNA gene amplicon high-throughput sequencing technique was applied to identify the microbial composition in the nasopharyngeal samples. The results showed that there was no significant difference in the microbiota diversity and richness between ORC and healthy sheep. However, there were significant differences in microbial composition, such as the relative abundance of Enterobacteriaceae, Moraxellaceae, Pasteurellaceae, and Streptococcaceae between the two groups. The abundance of aerobes in sheep with ORC increased significantly, while the abundance of anaerobes and facultative anaerobes decreased significantly. There were also differences in the taxa phenotypes associated with biofilm forming, mobile element-containing, oxidative stress-tolerance, and potential pathogens between the two groups. Our study showed the nasopharyngeal microbiota composition and its associated shifts between clinically healthy sheep and ORC sheep in China. These findings suggest that shifts in the nasopharyngeal microbiota could be a contributing factor to the pathogenesis of ORC, offering a potential avenue for the development of targeted interventions and treatments for this condition in sheep.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0034528824002509; http://dx.doi.org/10.1016/j.rvsc.2024.105383; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85202510162&origin=inward; http://www.ncbi.nlm.nih.gov/pubmed/39213742; https://linkinghub.elsevier.com/retrieve/pii/S0034528824002509
Elsevier BV
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