Abstract
Previous studies from our laboratory have described two endogenous provirus-like sequences in a series of cosmids spanning theTL region of the major histocompatibility complex (MHC) of normal C57BL/10 mice. At least one of these viruses shares similarities withVL30 elements. To determine if additionalVL30-like retroviral elements are integrated in the MHC, we constructed a cosmid library using DNA from a radiation leukemia virus (RadLV)-transformed cell line derived from C57BL/6 mice. The library was first screened using theH-2III (5′) probe, which detects Class I genes of theH-2 complex. In the primary screening 163H-2III positives were isolated. TheH-2III-positive isolates were then hybridized with an AKR-derived virus probe,EcoB/S, which contains sequences from both thepol and theenv genes of the virus. Nine virus-positive isolates were detected. Localization of these cosmid isolates containing viral sequences within theH-2 complex was done utilizing low-copy probes and confirmed using previously mapped cosmid isolates from other laboratories. We report here the isolation and characterization ofVL30-like elements from theQa andD regions of theMHC of several inbred mouse strains.
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Choi, Y., Meruelo, D. Isolation of virus-like (VL30) elements from theQ10 andD regions of the major histocompatibility complex. Biochem Genet 29, 91–101 (1991). https://doi.org/10.1007/BF00578242
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DOI: https://doi.org/10.1007/BF00578242