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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00005000naa a2200409 4500
001oai:DiVA.org:uu-240157
003SwePub
008150105s2014 | |||||||||||000 ||eng|
009oai:prod.swepub.kib.ki.se:130209806
009oai:slubar.slu.se:64162
024a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-2401572 URI
024a https://doi.org/10.1128/mBio.01212-142 DOI
024a http://kipublications.ki.se/Default.aspx?queryparsed=id:1302098062 URI
024a https://res.slu.se/id/publ/641622 URI
040 a (SwePub)uud (SwePub)kid (SwePub)slu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Dicksved, Johanu Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Uppsala universitet,Institutionen för medicinska vetenskaper,Institutionen för husdjurens utfodring och vård (HUV),Department of Animal Nutrition and Management,Uppsala University4 aut0 (Swepub:slu)47518
2451 0a Susceptibility to Campylobacter Infection Is Associated with the Species Composition of the Human Fecal Microbiota
264 1c 2014
338 a electronic2 rdacarrier
520 a The gut microbiota is essential for human health, but very little is known about how the composition of this ecosystem can influence and respond to bacterial infections. Here we address this by prospectively studying the gut microbiota composition before, during, and after natural Campylobacter infection in exposed poultry abattoir workers. The gut microbiota composition was analyzed with 16S amplicon sequencing of fecal samples from poultry abattoir workers during the peak season of Campylobacter infection in Sweden. The gut microbiota compositions were compared between individuals who became culture positive for Campylobacter and those who remained negative. Individuals who became Campylobacter positive had a significantly higher abundance of Bacteroides (P = 0.007) and Escherichia (P = 0.002) species than those who remained culture negative. Furthermore, this group had a significantly higher abundance of Phascolarctobacterium (P = 0.017) and Streptococcus (P = 0.034) sequences than the Campylobacter-negative group, which had an overrepresentation of Clostridiales (P = 0.017), unclassified Lachnospiraceae (P = 0.008), and Anaerovorax (P = 0.015) sequences. Intraindividual comparisons of the fecal microbiota compositions yielded small differences over time in Campylobacter-negative participants, but significant long-term changes were found in the Campylobacter-positive group (P < 0.005). The results suggest that the abundance of specific genera in the microbiota reduces resistance to Campylobacter colonization in humans and that Campylobacter infection can have long-term effects on the composition of the human fecal microbiota. IMPORTANCE Studies using mouse models have made important contributions to our understanding of the role of the gut microbiota in resistance to bacterial enteropathogen colonization. The relative abundances of Escherichia coli and Bacteroides species have been pointed out as important determinants of susceptibility to Gram-negative pathogens in general and Campylobacter infection in particular. In this study, we assessed the role of the human gut microbiota in resistance to Campylobacter colonization by studying abattoir workers that are heavily exposed to these bacteria. Individuals with a certain composition of the gut microbiota became culture positive for Campylobacter. As their microbiotas were characterized by high abundances of Bacteroides spp. and E. coli, well in line with the findings with mouse models, these bacterial species likely play an important role in colonization resistance also in humans.
650 7a MEDICIN OCH HÄLSOVETENSKAPx Medicinska och farmaceutiska grundvetenskaperx Mikrobiologi inom det medicinska området0 (SwePub)301092 hsv//swe
650 7a MEDICAL AND HEALTH SCIENCESx Basic Medicinex Microbiology in the medical area0 (SwePub)301092 hsv//eng
700a Ellström, Patriku Uppsala universitet,Klinisk mikrobiologi och infektionsmedicin,Institutionen för medicinsk biokemi och mikrobiologi4 aut0 (Swepub:uu)patel687
700a Engstrand, Larsu Karolinska Institutet4 aut
700a Rautelin, Hilpiu Uppsala universitet,Klinisk mikrobiologi och infektionsmedicin4 aut0 (Swepub:uu)hilra999
710a Uppsala universitetb Institutionen för medicinska vetenskaper4 org
710a Sveriges lantbruksuniversitet
773t mBiog 5:5, s. e01212-14-q 5:5<e01212-14-x 2161-2129x 2150-7511
856u https://uu.diva-portal.org/smash/get/diva2:776594/FULLTEXT01.pdfx primaryx Raw objecty fulltext:print
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-240157
8564 8u https://doi.org/10.1128/mBio.01212-14
8564 8u http://kipublications.ki.se/Default.aspx?queryparsed=id:130209806
8564 8u https://res.slu.se/id/publ/64162

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