Microsatellite Linkage Map of Barramundi, Lates calcarifer

Barramundi (Lates calcarifer) is an important farmed marine food fish species. Its compact genome (approximately 700 Mb) is among the smallest genomes of food fish species. We established a first-generation genetic linkage map of Barramundi with a mapping panel containing three parents (two males an...

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Bibliographic Details
Published in:Genetics (Austin) 2007-02, Vol.175 (2), p.907-915
Main Authors: Wang, C.M, Zhu, Z.Y, Lo, L.C, Feng, F, Lin, G, Yang, W.T, Li, J, Yue, G.H
Format: Article
Language:English
Subjects:
Animals
Bass
Chromosome Mapping
Chromosomes
Environment
expressed sequence tags
Female
females
Fish
Fishes - genetics
genes
Genetic Linkage
genetic markers
genetic recombination
Genomics
Investigations
Lates calcarifer
linkage groups
Male
males
microsatellite repeats
Microsatellite Repeats - genetics
Models, Genetic
Molecular Sequence Data
Quantitative Trait, Heritable
Recombination, Genetic - genetics
Selective breeding
Sex Characteristics
Trout
Zebrafish
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Summary:Barramundi (Lates calcarifer) is an important farmed marine food fish species. Its compact genome (approximately 700 Mb) is among the smallest genomes of food fish species. We established a first-generation genetic linkage map of Barramundi with a mapping panel containing three parents (two males and one female) and 93 progeny. A total of 240 microsatellite markers were mapped into 24 linkage groups. Among these markers, 10 were located in ESTs and known genes. The total lengths of the female and male maps were 873.8 and 414.5 cM with an average marker spacing of 6.20 and 4.70 cM, respectively. Comparing the flanking sequences of the 240 Barramundi microsatellites with the assembled whole-genome sequences of Tetraodon nigrovidiris revealed 55 homologous sequences located in 19 of the 21 chromosomes of T. nigrovidiris. The map will not only enable the mapping of quantitative trait loci, but also provide new resources for understanding the evolution of fish genomes.
ISSN:0016-6731
1943-2631
1943-2631
DOI:10.1534/genetics.106.059972