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Refined localization of the Escherichia coli F4ab/F4ac receptor locus on pig chromosome 13
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2009 (English)In: Animal Genetics, ISSN 0268-9146, E-ISSN 1365-2052, Vol. 40, no 5, 749-752 p.Article in journal (Refereed) Published
Abstract [en]

Diarrhoea in newborn and weaned pigs caused by enterotoxigenic Escherichia coli (ETEC) expressing F4 fimbriae leads to considerable losses in pig production. In this study, we refined the mapping of the receptor locus for ETEC F4ab/F4ac adhesion (F4bcR) by joint analysis of Nordic and Swiss data. A total of 236 pigs from a Nordic experimental herd, 331 pigs from a Swiss experimental herd and 143 pigs from the Swiss performing station were used for linkage analysis. Genotyping data of six known microsatellite markers, two newly developed markers (MUC4gt and HSA125gt) and an intronic SNP in MUC4 (MUC4-8227) were used to create the linkage map. The region for F4bcR was refined to the interval SW207-S0075 on pig chromosome 13. The most probable position of F4bcR was in the SW207-MUC4 region. The order of six markers was supported by physical mapping on the BAC fingerprint contig from the Wellcome Trust Sanger Institute. Thus, the region for F4bcR could be reduced from 26 to 14 Mb.

Place, publisher, year, edition, pages
2009. Vol. 40, no 5, 749-752 p.
Keyword [en]
chromosome 13, enterotoxigenic Escherichia coli, Escherichia coli, F4ab, F4ac receptor, linkage mapping, pig
National Category
Biological Sciences
URN: urn:nbn:se:uu:diva-119554DOI: 10.1111/j.1365-2052.2009.01881.xISI: 000269572800021PubMedID: 19392815OAI: oai:DiVA.org:uu-119554DiVA: diva2:300484
Available from: 2010-02-26 Created: 2010-02-26 Last updated: 2011-06-29Bibliographically approved

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Andersson, Leif
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Department of Medical Biochemistry and Microbiology
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