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A Molecular Framework for the Phylogeny of the Ant Subfamily Dolichoderinae by Maria Chiotis; Lars S Jermiin; Ross H Crozier is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

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Partial sequences are reported for the mitochondrial genes for cytochrome oxidase subunits 2 and 3 and for cytochrome b, and the entire sequence of the gene for tRNA UUR Leu for species from 14 genera of dolichoderine ants and from three outgroup genera. Considerable variation was observed between tRNA genes in the size of the T⌿C arm and the DHU and anticodon loops and whether or not the T⌿C stem possesses a GC pair. The outgroup taxa showed complete TAA CO1 stop codons, but dolichoderines have either TA or T. The outgroup taxa showed a noncoding gap between the CO1 and the tRNA UUR Leu genes. A phylogeny-independent compatibility test using the amino acid sequences showed differences between the genes consistent with variation in evolutionary rates, according with other studies. Base compositions proved heterogeneous between species, hence phylogenetic analysis was restricted to the protein sequences using maximum likelihood and the mtREV24 replacement matrix. A maximum-likelihood consensus tree has similarities to those from morphological studies with some exceptions such Leptomyrmex falling within the dolichoderine genera rather than basally, and the accretion of genera formerl

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Author

Maria Chiotis; Lars S Jermiin; Ross H Crozier

Publisher

Elsevier Science; Elsevier ; Elsevier Inc.; Elsevier BV (ISSN 1055-7903)

Published

2000

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)