Genetics, Vol. 150, 331-344, September 1998, Copyright © 1998

The Complete Nucleotide Sequence of the Mitochondrial DNA of the Dogfish, Scyliorhinus canicula

Christiane Delarbrea, Nathalie Spruytb, Cateline Delmarreb, Cyril Gallutc, Véronique Barrielc, Philippe Janvierd, Vincent Laudetb, and Gabriel Gachelina
a Département d'Immunologie, Institut Pasteur, 75015 Paris, France,
b Institut de Biologie de Lille, Institut Pasteur de Lille, 59021 Lille, France,
c Laboratoire de Systématique Moléculaire, Muséum National d'Histoire Naturelle, 75005 Paris, France
d Laboratoire de Paléontologie, Muséum National d'Histoire Naturelle, 75005 Paris, France

Corresponding author: Gabriel Gachelin, Unité de Biologie Moléculaire du Gène, Unité INSERM U277, Institut Pasteur, 25 rue du Dr. Roux, 75015 Paris, France., ggachel{at}pasteur.fr (E-mail).

Communicating editor: N. TAKAHATA

We have determined the complete nucleotide sequence of the mitochondrial DNA (mtDNA) of the dogfish, Scyliorhinus canicula. The 16,697-bp-long mtDNA possesses a gene organization identical to that of the Osteichthyes, but different from that of the sea lamprey Petromyzon marinus. The main features of the mtDNA of osteichthyans were thus established in the common ancestor to chondrichthyans and osteichthyans. The phylogenetic analysis confirms that the Chondrichthyes are the sister group of the Osteichthyes.




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