Abstract
A 5.3 kb EcoRI fragment (T3, abbreviations in ref. 2) has been cloned from DNA of a kappa light chain producing mouse myeloma. The fragment hybridizes to the k' flanking sequences of the J1 gene segment but not to C gene sequences of kappa light chain DNA. Restriction nuclease mapping and partial nucleotide sequencing showed that the fragment consists of sequences from the 5' side of the J1 and form the 3' side of a V gene segment, which apparently had been linked in a genomic rearrangement process. These rearranged flanking sequences are not the flanking sequences of the V and J gene segments which had been joined to form the two kappa light chain genes of the myeloma. Fragments with the hybridization properties of T3 have been found also in two other kappa and one lambda chain producing myelomas. The linking of flanking sequences in the myeloma genome is discussed with respect to the mechanism of recombination between V and J gene segments.
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Selected References
These references are in PubMed. This may not be the complete list of references from this article.
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