G-Banded Karyotype and Ideogram for the North Atlantic Right Whale (Eubalaena glacialis)
Published cytogenetic data for extant cetacean species remain incomplete. In a review of the literature, we found karyotypic information for 6 of the 13 tentatively recognized species of the suborder Mysticeti (baleen whales). Among those yet to be described is the critically endangered North Atlant...
| Main Authors: | , , , , , |
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| Other Authors: | |
| Format: | Text |
| Language: | English |
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| Online Access: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.562.3994 http://jhered.oxfordjournals.org/content/early/2006/04/05/jhered.esj033.full.pdf |
| Summary: | Published cytogenetic data for extant cetacean species remain incomplete. In a review of the literature, we found karyotypic information for 6 of the 13 tentatively recognized species of the suborder Mysticeti (baleen whales). Among those yet to be described is the critically endangered North Atlantic right whale (Eubalaena glacialis). Herein, we describe and propose a first-generation G-banded karyotype and ideogram for this species (2n 5 42), obtained from peripheral blood chromo-some preparations from a stranded male calf. This informa-tion may prove useful for future genetic mapping projects and for interspecific and intraspecific genomic comparisons by techniques such as zoo-FISH. Figure 1. (a and b) Representative GTG-banded karyotypes for the North Atlantic right whale (Eubalaena glacialis). Metacentric (m), submetacentric (sm), subtelocentric (st), and the sex chromosomes (sex) are depicted in groups as described. |
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