Natural Transmission of <named-content content-type="genus-species">Helicobacter saguini</named-content> Causes Multigenerational Inflammatory Bowel Disease in C57/129 IL-10<sup>−/−</sup> Mice

ABSTRACT Cotton-top tamarins (CTTs) are an ideal model of human inflammatory bowel disease (IBD) because these animals develop multigenerational, lower bowel cancer. We previously isolated and characterized a novel enterohepatic Helicobacter species, Helicobacter saguini, from CTTs with IBD and docu...

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Autores principales:	Anthony Mannion, Zeli Shen, Yan Feng, Dylan Puglisi, Sureshkumar Muthupalani, Mark T. Whary, James G. Fox
Formato:	article
Lenguaje:	EN
Publicado:	American Society for Microbiology 2020
Materias:	DNA damage Helicobacter cotton-top tamarins germfree IL-10−/− mice inflammatory bowel disease microbiome Microbiology QR1-502
Acceso en línea:	https://doaj.org/article/7d821408015049aa859aa2aa3e8574e0
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spelling	oai:doaj.org-article:7d821408015049aa859aa2aa3e8574e02021-11-15T15:29:17ZNatural Transmission of <named-content content-type="genus-species">Helicobacter saguini</named-content> Causes Multigenerational Inflammatory Bowel Disease in C57/129 IL-10<sup>−/−</sup> Mice10.1128/mSphere.00011-202379-5042https://doaj.org/article/7d821408015049aa859aa2aa3e8574e02020-04-01T00:00:00Zhttps://journals.asm.org/doi/10.1128/mSphere.00011-20https://doaj.org/toc/2379-5042ABSTRACT Cotton-top tamarins (CTTs) are an ideal model of human inflammatory bowel disease (IBD) because these animals develop multigenerational, lower bowel cancer. We previously isolated and characterized a novel enterohepatic Helicobacter species, Helicobacter saguini, from CTTs with IBD and documented that H. saguini infection in germfree C57BL IL-10−/− mice recapitulates IBD, suggesting that H. saguini influences IBD etiopathogenesis. In this study, we utilized a germfree IL-10−/− model to illustrate that H. saguini infection can naturally transmit and infect four generations and cause significant intestinal inflammatory pathology. Additionally, whole-genome sequencing of representative H. saguini isolates from each generation of IL-10−/− mice revealed gene mutations suggestive of multigenerational evolution. Overall, these results support that specific bacterial species with pathogenic potential, like H. saguini, are transmissible microorganisms in the etiopathogenesis of IBD in CTTs and reinforces the importance of specific microbiota in the pathogenesis of IBD in humans. IMPORTANCE While family history is a significant risk factor for developing inflammatory bowel disease (IBD), it is unclear whether the microbiome from parents is a transmissible influence on disease in their offspring. Furthermore, it is unknown whether IBD-associated microbes undergo genomic adaptations during multigenerational transmission and chronic colonization in their hosts. Herein, we show that a single bacterial species, Helicobacter saguini, isolated from a nonhuman primate species with familial IBD, is transmissible from parent to offspring in germfree IL-10−/− mice and causes multigenerational IBD. Additionally, whole-genome sequence analysis of H. saguini isolated from different mouse generations identified microevolutions in environmental interaction, nutrient metabolism, and virulence factor genes that suggest that multigenerational transmission may promote adaptations related to colonization and survival in new hosts and chronic inflammatory environments. The findings from our study highlight the importance of specific bacterial species with pathogenic potential, like H. saguini, as transmissible microorganisms in the etiopathogenesis of IBD.Anthony MannionZeli ShenYan FengDylan PuglisiSureshkumar MuthupalaniMark T. WharyJames G. FoxAmerican Society for MicrobiologyarticleDNA damageHelicobactercotton-top tamarinsgermfree IL-10−/− miceinflammatory bowel diseasemicrobiomeMicrobiologyQR1-502ENmSphere, Vol 5, Iss 2 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	DNA damage Helicobacter cotton-top tamarins germfree IL-10−/− mice inflammatory bowel disease microbiome Microbiology QR1-502
spellingShingle	DNA damage Helicobacter cotton-top tamarins germfree IL-10−/− mice inflammatory bowel disease microbiome Microbiology QR1-502 Anthony Mannion Zeli Shen Yan Feng Dylan Puglisi Sureshkumar Muthupalani Mark T. Whary James G. Fox Natural Transmission of <named-content content-type="genus-species">Helicobacter saguini</named-content> Causes Multigenerational Inflammatory Bowel Disease in C57/129 IL-10<sup>−/−</sup> Mice
description	ABSTRACT Cotton-top tamarins (CTTs) are an ideal model of human inflammatory bowel disease (IBD) because these animals develop multigenerational, lower bowel cancer. We previously isolated and characterized a novel enterohepatic Helicobacter species, Helicobacter saguini, from CTTs with IBD and documented that H. saguini infection in germfree C57BL IL-10−/− mice recapitulates IBD, suggesting that H. saguini influences IBD etiopathogenesis. In this study, we utilized a germfree IL-10−/− model to illustrate that H. saguini infection can naturally transmit and infect four generations and cause significant intestinal inflammatory pathology. Additionally, whole-genome sequencing of representative H. saguini isolates from each generation of IL-10−/− mice revealed gene mutations suggestive of multigenerational evolution. Overall, these results support that specific bacterial species with pathogenic potential, like H. saguini, are transmissible microorganisms in the etiopathogenesis of IBD in CTTs and reinforces the importance of specific microbiota in the pathogenesis of IBD in humans. IMPORTANCE While family history is a significant risk factor for developing inflammatory bowel disease (IBD), it is unclear whether the microbiome from parents is a transmissible influence on disease in their offspring. Furthermore, it is unknown whether IBD-associated microbes undergo genomic adaptations during multigenerational transmission and chronic colonization in their hosts. Herein, we show that a single bacterial species, Helicobacter saguini, isolated from a nonhuman primate species with familial IBD, is transmissible from parent to offspring in germfree IL-10−/− mice and causes multigenerational IBD. Additionally, whole-genome sequence analysis of H. saguini isolated from different mouse generations identified microevolutions in environmental interaction, nutrient metabolism, and virulence factor genes that suggest that multigenerational transmission may promote adaptations related to colonization and survival in new hosts and chronic inflammatory environments. The findings from our study highlight the importance of specific bacterial species with pathogenic potential, like H. saguini, as transmissible microorganisms in the etiopathogenesis of IBD.
format	article
author	Anthony Mannion Zeli Shen Yan Feng Dylan Puglisi Sureshkumar Muthupalani Mark T. Whary James G. Fox
author_facet	Anthony Mannion Zeli Shen Yan Feng Dylan Puglisi Sureshkumar Muthupalani Mark T. Whary James G. Fox
author_sort	Anthony Mannion
title	Natural Transmission of <named-content content-type="genus-species">Helicobacter saguini</named-content> Causes Multigenerational Inflammatory Bowel Disease in C57/129 IL-10<sup>−/−</sup> Mice
title_short	Natural Transmission of <named-content content-type="genus-species">Helicobacter saguini</named-content> Causes Multigenerational Inflammatory Bowel Disease in C57/129 IL-10<sup>−/−</sup> Mice
title_full	Natural Transmission of <named-content content-type="genus-species">Helicobacter saguini</named-content> Causes Multigenerational Inflammatory Bowel Disease in C57/129 IL-10<sup>−/−</sup> Mice
title_fullStr	Natural Transmission of <named-content content-type="genus-species">Helicobacter saguini</named-content> Causes Multigenerational Inflammatory Bowel Disease in C57/129 IL-10<sup>−/−</sup> Mice
title_full_unstemmed	Natural Transmission of <named-content content-type="genus-species">Helicobacter saguini</named-content> Causes Multigenerational Inflammatory Bowel Disease in C57/129 IL-10<sup>−/−</sup> Mice
title_sort	natural transmission of <named-content content-type="genus-species">helicobacter saguini</named-content> causes multigenerational inflammatory bowel disease in c57/129 il-10<sup>−/−</sup> mice
publisher	American Society for Microbiology
publishDate	2020
url	https://doaj.org/article/7d821408015049aa859aa2aa3e8574e0
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Natural Transmission of <named-content content-type="genus-species">Helicobacter saguini</named-content> Causes Multigenerational Inflammatory Bowel Disease in C57/129 IL-10<sup>−/−</sup> Mice

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