Abstract:
:We report on the construction of the first comparative Zoo-FISH map of a marine mammal. Zoo-FISH with DNA probes from a human chromosome-specific library to metaphase spreads of the harbor seal (Phoca vitulina) disclosed 31 conserved syntenic segments covering the complete autosomal complement and the X chromosome. Comparison with Zoo-FISH maps of other species reveals that the harbor seal shares a high degree of karyotypic homeology with the human complement and an even higher degree with the conordinal cat complement. These findings suggest that pinniped, felid and human karyotypes have maintained conserved complements. Based on data of Zoo-FISH and comparative cytogenetics, a Zoo-FISH map of the ancestral carnivore karyotype (Z-CAR) is proposed. Flow cytometry revealed that the DNA value of the harbor seal genome is 79% that of the human genome.
journal_name
Chromosomajournal_title
Chromosomaauthors
Frönicke L,Müller-Navia J,Romanakis K,Scherthan Hdoi
10.1007/s004120050230subject
Has Abstractpub_date
1997-07-01 00:00:00pages
108-13issue
2eissn
0009-5915issn
1432-0886journal_volume
106pub_type
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