Mapping lipopolysaccharide response loci in mice using recombinant inbred and congenic strains

Lydia E. Matesic, Antonio De Maio, Roger H Reeves

Research output: Contribution to journalArticle

Abstract

Lipopolysaccharide (LPS) induces proliferation of splenic B-cells, and this response was found to be significantly lower in A/J than in C57BL/6J (B6) mice. Several strains and substrains mirrored the high and low responses of B6 and A/J. Assessment of 26 AXB/BXA recombinant inbred (RI) mouse strains identified 23 strains with a low (A/J-like), high (B6-like), or intermediate response. The three remaining RI strains exhibited a novel hyperresponsive phenotype significantly different from that of either founder strain. RI analysis identified four suggestive loci contributing to the LPS response, two of which were confirmed by analysis of congenic strains containing the donor genomic segment from a high- or low-responder strain on the opposite background. The combination of A/J and B6 alleles fixed to homozygosity at the four suggestive loci would occur in only 1 of 256 intercross progeny, but occurred several times among the RI strains.

Original languageEnglish (US)
Pages (from-to)34-41
Number of pages8
JournalGenomics
Volume62
Issue number1
DOIs
StatePublished - Nov 15 1999

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Lipopolysaccharides
Inbred Strains Mice
B-Lymphocytes
Alleles
Phenotype

ASJC Scopus subject areas

  • Genetics

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Mapping lipopolysaccharide response loci in mice using recombinant inbred and congenic strains. / Matesic, Lydia E.; De Maio, Antonio; Reeves, Roger H.

In: Genomics, Vol. 62, No. 1, 15.11.1999, p. 34-41.

Research output: Contribution to journalArticle

Matesic, Lydia E. ; De Maio, Antonio ; Reeves, Roger H. / Mapping lipopolysaccharide response loci in mice using recombinant inbred and congenic strains. In: Genomics. 1999 ; Vol. 62, No. 1. pp. 34-41.
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