Abstract：
:The Mx gene was originally found in laboratory mice in an infection experiment using influenza virus (Lindermann, 1962). Almost all of the mouse strains in that experiment died from the infection, and only the A2G strain had resistance to the virus. This resistant character was shown to be inherited as a single autosomal dominant trait (Lindermann et al., 1963; Lindermann, 1964; Haller et al., 1979). A congenic mouse strain was established by introducing the Mx+ allele of the A2G resistant strain into the Mx- sensitive inbred strain BALB/c (Staeheli et al., 1984). By immunizing parental BALB/c mice with extracts of interferon (IFN)-treated cultured cells from congenic BALB/c-Mx+ mice, a specific antibody against Mx protein was obtained (Horisberger et al., 1983; Staeheli et al., 1985). The Mx protein was detected in the nucleus of IFN-alpha/beta-treated mouse cells by immunofluorescence using the anti-Mx antibody (Dreiding et al., 1985). Thereafter, by using the antibody as an indicator, cDNA encoding the Mx protein was cloned from a cDNA library constructed from IFN-treated cells of congenic BALB/c-Mx+ mice (Staeheli et al., 1986a). IFN-treated Mx+ mouse cells contained a 3.5-kb Mx mRNA in the Northern blot, while Mx- cells failed to express the transcript. The functional Mx+ gene from an A2G mouse was found to contain 14 exons and encode 631 amino acids. The Mx- allelic mouse strains were found to be missing sequence of exons 9 through 11 or to contain a point mutation that converts lysine at position 389 to a stop codon (Staeheli et al., 1988). If these polymorphisms of the Mx gene could be detected in domestic animals, it would be possible to produce breeds that show resistance to infectious diseases.
journal_name
Cytogenet Genome Resjournal_title
Cytogenetic and genome researchauthors
Watanabe Tdoi
10.1159/000103200subject
Has Abstractpub_date
2007-01-01 00:00:00pages
370-5issue
1-4eissn
1424-8581issn
1424-859Xpii
000103200journal_volume
117pub_type
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