Abstract
We have located a T-cell receptor variable (V) delta gene segment immediately 3' of the delta constant (C) region gene and 5' to the known joining (J) alpha gene segments. This V delta gene is in the opposite transcriptional polarity to C delta and has rearranged to C delta by inversion in a gamma/delta-expressing hybridoma, DN7.3. This V delta gene is commonly rearranged in adult but not fetal gamma/delta-expressing thymocytes and has not been observed among alpha gene rearrangements reported to date. The reciprocal joining sequence isolated from this cell line contains N region nucleotides between the recombination signal sequences, in contrast to previously analyzed reciprocal joints. The results are discussed in the context of models accounting for ordered V gene usage during lymphocyte development.
MeSH Terms
Amino Acid Sequence
Animals
Base Sequence
Blotting, Southern
Cell Line
Chromosome Inversion
Cloning, Molecular
Gene Rearrangement, T-Lymphocyte
Genes
Genetic Variation
Macromolecular Substances
Molecular Sequence Data
Receptors, Antigen, T-Cell/genetics
Restriction Mapping
Transcription, Genetic
Chemicals
Macromolecular Substances
Receptors, Antigen, T-Cell
Authors & Affiliations
3 authors, click to expand affiliations / ORCID
Korman A J
Whitehead Institute for Biomedical Research, Nine Cambridge Center, MA 02142.
Maruyama J
Raulet D H
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