Analyses of mitochondrial genomes strongly support a hippopotamus-whale clade.

by: BM Ursing, U Arnason

Proc Biol Sci, Vol. 265, No. 1412. (7 December 1998), pp. 2251-2255.

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Résumé

Although the sister-group relationship between Cetacea and Artiodactyla is widely accepted, the actual artiodactyl group which is closest to Cetacea has not been conclusively identified. In the present study, we have sequenced the complete mitochondrial genome of the hippopotamus, Hippopotamus amphibius, and included it in phylogenetic analyses together with 15 other placental mammals. These analyses separated the hippopotamus from the other suiform included, the pig, and identified the hippopotamus as the artiodactyl sister group of the cetaceans, thereby making both. Artiodactyla and the suborder. Suiformes paraphyletic. The divergence between the hippopotamid and cetacean lineages was calculated using this molecular data and was estimated at ca. 54 Ma BP.

@article{citeulike:1682664, abstract = {Although the sister-group relationship between Cetacea and Artiodactyla is widely accepted, the actual artiodactyl group which is closest to Cetacea has not been conclusively identified. In the present study, we have sequenced the complete mitochondrial genome of the hippopotamus, Hippopotamus amphibius, and included it in phylogenetic analyses together with 15 other placental mammals. These analyses separated the hippopotamus from the other suiform included, the pig, and identified the hippopotamus as the artiodactyl sister group of the cetaceans, thereby making both. Artiodactyla and the suborder. Suiformes paraphyletic. The divergence between the hippopotamid and cetacean lineages was calculated using this molecular data and was estimated at ca. 54 Ma BP.}, address = {Department of Genetics, Lund University, Sweden. bjorn.ursing@gen.lu.se}, author = {Ursing, B. M. and Arnason, U. }, citeulike-article-id = {1682664}, doi = {10.1098/rspb.1998.0567}, issn = {0962-8452}, journal = {Proc Biol Sci}, keywords = {hippo, molecular-phylogenetics, mt-pcr}, month = {December}, number = {1412}, pages = {2251--2255}, posted-at = {2007-09-21 15:52:57}, priority = {2}, title = {Analyses of mitochondrial genomes strongly support a hippopotamus-whale clade.}, url = {http://dx.doi.org/10.1098/rspb.1998.0567}, volume = {265}, year = {1998} }

RIS record

TY - JOUR ID - citeulike:1682664 L3 - citeulike-article-id:1682664 TI - Analyses of mitochondrial genomes strongly support a hippopotamus-whale clade. JF - Proc Biol Sci VL - 265 IS - 1412 SP - 2251 EP - 2255 AD - Department of Genetics, Lund University, Sweden. bjorn.ursing@gen.lu.se SN - 0962-8452 N2 - Although the sister-group relationship between Cetacea and Artiodactyla is widely accepted, the actual artiodactyl group which is closest to Cetacea has not been conclusively identified. In the present study, we have sequenced the complete mitochondrial genome of the hippopotamus, Hippopotamus amphibius, and included it in phylogenetic analyses together with 15 other placental mammals. These analyses separated the hippopotamus from the other suiform included, the pig, and identified the hippopotamus as the artiodactyl sister group of the cetaceans, thereby making both. Artiodactyla and the suborder. Suiformes paraphyletic. The divergence between the hippopotamid and cetacean lineages was calculated using this molecular data and was estimated at ca. 54 Ma BP. KW - hippo KW - molecular-phylogenetics KW - mt-pcr AU - Ursing, BM AU - Arnason, U PY - 1998/12/07/ UR - http://dx.doi.org/10.1098/rspb.1998.0567 ER -

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