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Gut-associated microbes are present and active in the pig nasal cavity
Obregon-Gutierrez, Pau (Unitat mixta d'investigació IRTA-UAB en Sanitat Animal. Centre de Recerca en Sanitat Animal)
Bonillo-Lopez, Laura (Unitat mixta d'investigació IRTA-UAB en Sanitat Animal. Centre de Recerca en Sanitat Animal)
Correa-Fiz, Florencia (Unitat mixta d'investigació IRTA-UAB en Sanitat Animal. Centre de Recerca en Sanitat Animal)
Sibila, Marina (Unitat mixta d'investigació IRTA-UAB en Sanitat Animal. Centre de Recerca en Sanitat Animal)
Segalés Coma, Joaquim (Universitat Autònoma de Barcelona. Departament de Sanitat i d'Anatomia Animals)
Kochanowski, Karl (Unitat mixta d'investigació IRTA-UAB en Sanitat Animal. Centre de Recerca en Sanitat Animal)
Aragon, Virginia (Unitat mixta d'investigació IRTA-UAB en Sanitat Animal. Centre de Recerca en Sanitat Animal)

Date: 2024
Abstract: The nasal microbiota is a key contributor to animal health, and characterizing the nasal microbiota composition is an important step towards elucidating the role of its different members. Efforts to characterize the nasal microbiota composition of domestic pigs and other farm animals frequently report the presence of bacteria that are typically found in the gut, including many anaerobes from the Bacteroidales and Clostridiales orders. However, the in vivo role of these gut-microbiota associated taxa is currently unclear. Here, we tackled this issue by examining the prevalence, origin, and activity of these taxa in the nasal microbiota of piglets. First, analysis of the nasal microbiota of farm piglets sampled in this study, as well as various publicly available data sets, revealed that gut-microbiota associated taxa indeed constitute a substantial fraction of the pig nasal microbiota that is highly variable across individual animals. Second, comparison of herd-matched nasal and rectal samples at amplicon sequencing variant (ASV) level showed that these taxa are largely shared in the nasal and rectal microbiota, suggesting a common origin driven presumably by the transfer of fecal matter. Third, surgical sampling of the inner nasal tract showed that gut-microbiota associated taxa are found throughout the nasal cavity, indicating that these taxa do not stem from contaminations introduced during sampling with conventional nasal swabs. Finally, analysis of cDNA from the 16S rRNA gene in these nasal samples indicated that gut-microbiota associated taxa are indeed active in the pig nasal cavity. This study shows that gut-microbiota associated taxa are not only present, but also active, in the nasal cavity of domestic pigs, and paves the way for future efforts to elucidate the function of these taxa within the nasal microbiota.
Grants: Ministerio de Ciencia e Innovación FPU19/02126
Ministerio de Ciencia e Innovación FPI(PRE2020-096048)
Ministerio de Ciencia e Innovación PID2019-106233RB-I00/AEI/10.13039/501100011033
Ministerio de Ciencia e Innovación RYC2021-033035-I
Rights: Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original. Creative Commons
Language: Anglès
Document: Article ; recerca ; Versió publicada
Subject: Pig ; Nasal microbiota ; Gut-microbiota associated taxa ; Microbiology ; Microbial communities
Published in: Scientific reports, Vol. 14 (april 2024) , ISSN 2045-2322

DOI: 10.1038/s41598-024-58681-9
PMID: 38605046


11 p, 5.5 MB

The record appears in these collections:
Research literature > UAB research groups literature > Research Centres and Groups (research output) > Health sciences and biosciences > Centre de Recerca en Sanitat Animal (CReSA-IRTA)
Articles > Research articles
Articles > Published articles

 Record created 2024-05-14, last modified 2024-05-16



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