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Allelic and haplotypic diversity at the major histocompatibility class II within domesticated Australian Atlantic salmon (Salmo salar L.)

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Wynne, JW and Cook, MT and Holmes, BH and Elliott, NG (2007) Allelic and haplotypic diversity at the major histocompatibility class II within domesticated Australian Atlantic salmon (Salmo salar L.). Journal of Fish Biology, 70 (Supple). pp. 45-59. ISSN 0022-1112

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Abstract

Variation within the major histocompatibility (MH) class II alpha gene (Sasa-DAA) was
compared between domesticated Australian Atlantic salmon and their ancestral Canadian
population. The level of Sasa-DAA and MH class II beta gene (Sasa-DAB) sequence variation
was also examined within the Australian population and compared with that published for
European Atlantic salmon populations. In contrast to variation previously reported for noncoding
microsatellite loci, a high level of MH class II allelic variation has been maintained
within the domesticated Australian populations. Furthermore, a high level of Sasa-DAA and
Sasa-DAB allele sequence diversity was also observed and exceeded that reported for other
cultured Atlantic salmon populations. The number of Sasa-DAB allele sequences (14) surpassed
the number of Sasa-DAA allele sequences (9) to produce 14 unique class II haplotypes. We
conclude that the Australian Atlantic salmon populations show high MH class II allelic and
haplotypic variation compared with both its ancestral Canadian population and other cultured
Atlantic salmon populations.

Item Type: Article
Keywords: genetic variation; heterozygosity; MHC; Salmo salar.
Journal or Publication Title: Journal of Fish Biology
Publisher: Blackwell Publishing
Page Range: pp. 45-59
ISSN: 0022-1112
Identification Number - DOI: 10.1111/j.1095-8649.2007.01364.x
Additional Information:

The definitive version is available at www.blackwell-synergy.com

Date Deposited: 07 Apr 2008 14:45
Last Modified: 18 Nov 2014 03:36
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