期刊
GENOMICS
卷 73, 期 2, 页码 223-231出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1006/geno.2001.6453
关键词
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资金
- NIAID NIH HHS [AI43321] Funding Source: Medline
Lethal factor (LF) is a toxin secreted by Bacillus anthracis that plays an important role in the pathogenesis of anthrax. Intoxication with LF results in a macrophage-specific cytolysis that is not well understood. Interestingly, inbred mouse strains exhibit dramatic differences in the susceptibility of their cultured macrophages to killing by LF, and a gene that influences this phenotype, called Ltxs1, has been mapped to mouse chromosome Il. Here we report a high-resolution genetic map that confines the Ltr-sl region to a 0.51-cM interval between D11Mit90 and D11Die37/D11Die38, We have also constructed a complete physical map of YAC and BAC clones covering the Ltxs1 region. In conjunction with synteny homology searching, BLAST searches of sequences obtained from the clones in the physical map have revealed 14 known genes and five ESTs that reside in the critical interval, Additionally, a region of 100 kb or more is deleted in the Ltxs1 interval of some strains. Our genetic, physical, and transcript map provides an important resource for the molecular cloning of Ltxs1. (C) 2001 Academic Prees.
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