The order of Cetacea with 88 species including Odontoceti (or toothed whales) and Mysticeti (or baleen whales) is the most specialized and diversified group of mammals. The blue whale with a maximum recorded length of 29.9 m for 173 t of weight is the largest animal known to have ever existed, and any dolphin's brain is most powerful and complex than any other brain in the animal kingdom, second only to primate's. Nevertheless, Cetacea are mammals that re-entered the oceans only a little over 50 million years ago, a relatively short time on the evolutionary scale. During this time cetaceans and humans have developed marked morphological and behavioral differences, yet their genomes show a high level of similarity. This present review is focused on the description and significance of newly accessible cetacean genome tools and information, and their relevance in the study of the evolution of successful phenotypic adaptations associated to mammal's marine existence, and their applicability to the unresolved disease mechanisms in humans.
On the revolution of cetacean evolution
Mancia, Annalaura
2018
Abstract
The order of Cetacea with 88 species including Odontoceti (or toothed whales) and Mysticeti (or baleen whales) is the most specialized and diversified group of mammals. The blue whale with a maximum recorded length of 29.9 m for 173 t of weight is the largest animal known to have ever existed, and any dolphin's brain is most powerful and complex than any other brain in the animal kingdom, second only to primate's. Nevertheless, Cetacea are mammals that re-entered the oceans only a little over 50 million years ago, a relatively short time on the evolutionary scale. During this time cetaceans and humans have developed marked morphological and behavioral differences, yet their genomes show a high level of similarity. This present review is focused on the description and significance of newly accessible cetacean genome tools and information, and their relevance in the study of the evolution of successful phenotypic adaptations associated to mammal's marine existence, and their applicability to the unresolved disease mechanisms in humans.File | Dimensione | Formato | |
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