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- Title
Characterization of MHC class I transcripts of a Malaysian cynomolgus macaque by high-throughput pyrosequencing and EST libraries.
- Authors
Aarnink, Alice; Apoil, Pol-André; Takahashi, Ichiro; Osada, Naoki; Blancher, Antoine
- Abstract
We characterized the repertoire of MHC class I transcripts of a Malaysian cynomolgus macaque by the study of EST libraries derived from the mRNA extracted from six tissues (thymus, spleen, bone marrow, liver, heart and pancreas). The MHC class I transcripts present in a lymph node of the same animal were characterized by pyrosequencing of amplified cDNA fragments (515 bp from exon 2 to the beginning of exon 4). All pyrosequence consensus sequences, but three corresponding to rare transcripts, were identical to those obtained from EST libraries. In total, we characterized 19 classical class I transcripts in the Malaysian macaque studied here. By means of high-throughput sequencing of exon 2 amplified from the genomic DNA (190 bp), we characterized 38 classical class I genes in the genome of this animal. By comparison, using the same method, we found 23 classical class I genes in the genome of a MHC homozygous Mauritian animal (H2/H2). All these results suggested that the Malaysian animal was most probably heterozygous. This study reveals that the high-throughput pyrosequencing allows not only to characterize the MHC class I transcripts but also to estimate the number of MHC class I genes in the genome of cynomolgus macaque.
- Subjects
MALAYSIA; KRA; TRANSCRIPTION factors; GENE libraries; MESSENGER RNA; ANIMAL genetics; NUCLEOTIDE sequence
- Publication
Immunogenetics, 2011, Vol 63, Issue 11, p703
- ISSN
0093-7711
- Publication type
Article
- DOI
10.1007/s00251-011-0550-8