title: Large genomes among caridean shrimp.
abstract: 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.
authors: Département de Biologie, Université du Québec à Rimouski, Rimouski, Canada. david_rees@mac.com
authors: David J
authors: DJ
authors: Rees
authors: Claude
authors: C
authors: Belzile
authors: Hélène
authors: H
authors: Glémet
authors: France
authors: F
authors: Dufresne
mesh_terms: D000818:Animals; D001110:Arctic Regions; D003445:Crustacea / Q000235:genetics*; D005260:Female; D016678:Genome; D010058:Oviposition; D033541:Palaemonidae / Q000145:classification / Q000235:genetics* / Q000254:growth & development; D011792:Quebec