Journal article

TRANSCRIPTS OF THE IMMUNOGLOBULIN-C-MU GENE VARY IN STRUCTURE AND SPLICING DURING LYMPHOID DEVELOPMENT

DJ KEMP, AW HARRIS, JM ADAMS

Proceedings of the National Academy of Sciences | NATL ACAD SCIENCES | Published : 1980

Abstract

Two classes of transcripts of the mouse immunoglobulin mu constant region (C mu) gene can be distinguished. Whereas B cells contain mu mRNAs of 2.4 and 2.7 kilobases (kb), many T lymphoma, Abelson pre-B lymphoma, and myeloid tumor cell lines contain polyadenylylated RNA species bearing C mu sequences (C mu RNAs) of 1.9, 2.1, 2.3, and 3.0 kb. Production of C mu RNAs, unlike mu mRNAs, does not require recombination with the joining region (JH) locus. To define the structure of C mu RNAs, RNA from representative cell lines was fractionated by gel electrophoresis, transferred to diazobenzyloxymethyl paper, and tested for hybridization with 23 DNA fragments that collectively span a chromosomal mu..

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