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Genome. 2008 Feb;51(2):159-63. doi: 10.1139/g07-108.

Large genomes among caridean shrimp.

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Département de Biologie, Université du Québec à Rimouski, Rimouski, Canada.


Recent genome size estimates for Arctic amphipods have revealed the largest genomes known in the Crustacea. Here we provide additional data for 7 species of caridean shrimp collected from the Canadian Arctic and the Gulf of St. Lawrence. Genome sizes were estimated by flow cytometry and haploid C-values ranged from 8.53 +/- 0.30 pg in Pandalus montagui (Pandalidae) to 40.89 +/- 1.23 pg in Sclerocrangon ferox (Crangonidae). The value for S. ferox represents the largest decapod genome yet recorded and indicates a 38-fold variation in genome size within this order. These data suggest that large genomes may be relatively common in Arctic crustaceans, and underline the need for further comparative studies.

[Indexed for MEDLINE]

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