ISSN 1556-6757








Volume 4, Issue 1, 2013

The Phylogenetic Position of the African Lungfish in Sudan Inferred from the Complete Sequences of the Mitochondrial 12S rRNA and 16S rRNA Genes.

Amna Omer, Sumaia Abukashawa, Maha Daghestani


The mitochondrial DNA sequence of the lungfish is intriguing because of its evolutionary position as possibly the closest living relative to land vertebrates among fish. Here, we show the relationship between two lungfish subspecies in different geographical regions of Sudan as well as their relationship to tetrapods, actinopterygii and coelacanth by constructing phylogenetic trees. Mitochondrial 12S and 16S rRNA gene alignment results showed that members of the two lungfish subspecies studied are sister groups and that the coelacanth are more closely related to tetrapods than the lungfish of Sudan. The taxonomy database will be extended to include a significant proportion of Sudanese dipnoans.
Full Article.