Characterization of a new HLA-DRB1*01 allele (HLA-DRB1*010203) in a Caucasian Italian family by using sequence-based
A Bontadini1, S Manfroi, L Delfino
1Transfusion Service, S. Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy.
Tissue Antigens
|October 22, 2004
Abstract:
We report the identification of an HLA-DRB1*01 nucleotide sequence variant in three members of a Caucasian Italian family by using sequence-based typing. The nucleotide sequence of exon 2 observed in the new allele is identical to that of HLA-DRB1*010201 except in position 189 (codon 34) where the adenine of the consensus was replaced by a guanine and it was designated officially as HLA-DRB1*010203* by the WHO Nomenclature Committee.
Related Concept Videos
Multiple Allele Traits
The Concept of Multiple Allelism
Non-LTR Retrotransposons
As the name suggests, non-LTR retrotransposons lack the long terminal repeats characteristic of the LTR retrotransposons. Additionally, both LTR and non-LTR retrotransposons use distinct mechanisms of mobilization. Non-LTR retrotransposons are further divided into two classes - Long interspersed nuclear elements (LINEs) and short interspersed nuclear elements (SINEs), both of which occur abundantly in most mammals, including humans. Some of the active non-LTR retrotransposons in humans are L1...
Modern Molecular Taxonomy
Advancements in molecular biology have revolutionized the identification and characterization of bacteria, with multiple methods leveraging DNA sequencing for enhanced precision. As sequencing technologies improve and costs decline, these approaches are increasingly used in clinical, environmental, and evolutionary studies.Multilocus Sequence Typing (MLST) examines several housekeeping genes, essential chromosomal genes encoding cellular functions, to distinguish strains. Approximately...


