Journal article
Detection of KIR2DL4 alleles by sequencing and SSCP reveals a common allele with a shortened cytoplasmic tail
Tissue Antigens, Vol.56(3), pp.248-257
2000
Abstract
Single-stranded conformation polymorphism (SSCP) by capillary electrophoresis was assessed as a screening and typing method for alleles of KIR2DL4. Exon 6 was investigated as this exon was reported to include three polymorphic nucleotides. Exon 6, intron 6 and exon 7 were amplified as a single polymerase chain reaction (PCR) product of 650 bp from genomic DNA. The PCR product was sequenced and analysed by SSCP. Exon 7 was found to be invariant. Only two nucleotides were found to be polymorphic in exon 6 and another three were found in intron 6. Strong linkage disequilibrium was found between the polymorphic nucleotides resulting in the presence of three alleles in a panel of 20 cell lines. Two alleles differed within intron 6 while the third allele differed at two nucleotides in exon 6. All six possible genotypes were distinguishable by SSCP providing information from both the forward and reverse primers was used. Exon 6 of one allele was one nucleotide shorter than that of the other alleles and the resulting frame shift is predicted to produce a truncated cytoplasmic tail due to a premature stop codon four codons into exon 7. SSCP was found to be an efficient method of typing exons 6 and 7 in a panel of 46 bone marrow donors. All three alleles were found to be common and one was in strong linkage disequilibrium with the presence of another KIR sequence KIR3DS1.
Details
- Title
- Detection of KIR2DL4 alleles by sequencing and SSCP reveals a common allele with a shortened cytoplasmic tail
- Authors/Creators
- C.S. Witt (Author/Creator) - Royal Perth HospitalA. Martin (Author/Creator) - Royal Perth HospitalF.T. Christiansen (Author/Creator) - Royal Perth Hospital
- Publication Details
- Tissue Antigens, Vol.56(3), pp.248-257
- Publisher
- Wiley
- Identifiers
- 991005543082607891
- Copyright
- © John Wiley & Sons, Inc.
- Murdoch Affiliation
- Institute for Immunology and Infectious Diseases
- Language
- English
- Resource Type
- Journal article
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