iHMMune-align: hidden Markov model-based alignment and identification of germline genes in rearranged immunoglobulin gene sequences

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Abstract
Motivation: Immunoglobulin heavy chain (IGH) genes in mature B lymphocytes are the result of recombination of IGHV, IGHD and IGHJ germline genes, followed by somatic mutation. The correct identification of the germline genes that make up a variable VH domain is essential to our understanding of the process of antibody diversity generation as well as to clinical investigations of some leukaemias and lymphomas. Results: We have developed iHMMune-align, an alignment program that uses a hidden Markov model (HMM) to model the processes involved in human IGH gene rearrangement and maturation. The performance of iHMMune-align was compared to that of other immunoglobulin gene alignment utilities using both clonally related and randomly selected IGH sequences. This evaluation suggests that iHMMune-align provides a more accurate identification of component germline genes than other currently available IGH gene characterization programs.
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Gaeta, Bruno
;
Malming, Harald R.
;
Jackson, Katherine J.L.
;
Bain, Michael E.
;
Wilson, Patrick
;
Collins, Andrew M.
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Publication Year
2007
Resource Type
Journal Article
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UNSW Faculty
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download iHMMune-Align paper.pdf 311.24 KB Adobe Portable Document Format
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