The nucleotide sequences of 38 T-cell receptor (Tcr) beta-chain cDNA clones which were isolated from a cDNA library (2 x 10(6) plaques) constructed from bovine peripheral blood lymphocytes were determined. Of 38 cDNA clones, 22 were rearranged and contained the functional variable (V) gene segments.
Sequence and diversity of variable gene segments coding for rabbit T-cell receptor beta chains
β Scribed by Takahiro Isono; Yuji Isegawa; Akira Seto
- Publisher
- Springer-Verlag
- Year
- 1994
- Tongue
- English
- Weight
- 535 KB
- Volume
- 39
- Category
- Article
- ISSN
- 0093-7711
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β¦ Synopsis
The nucleotide sequences of 11 variable gene segments coding for rabbit T-cell receptor beta (Tcrb-V) chains were determined by directly sequencing fragments amplified by the cassette-ligation mediated polymerase chain reaction (CLM-PCR) and by modified anchor PCR without the cloning procedure. The nucleotide sequences in two of these 11 rabbit Tcrb-V gene segments coincided with those in two of the four rabbit Tcrb-V gene segments previously reported; the others have not been described. The percentage similarity of each nucleotide sequence of the 11 rabbit Tcrb-V gene segments was analyzed and the segments were divided into nine families, which were homologous to nine human families (Vb 2, 3, 4, 5, 7, 8, 10, 18, and 22), respectively.
π SIMILAR VOLUMES
The o~/13 T-cell antigen receptor is formed by the combination of the o~ and 13 polypeptide chains which both consist of a constant and a variable portion. The genetic information for the variable portion on each chain is generated by rearrangements of variable (Tcr-V), diversity (Tcr-D, only for 13