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3 de mayo de 2009

Bigger is better: the largest phylogenetic tree reconstructed. | Archetype

Bigger is better: the largest phylogenetic tree reconstructed. | Archetype

Sunday, May 3rd, 2009 | Cladistics, Phylogeny, Uncategorized

GenBank, the standard database for genetic information maintained by National Center for Biotechnology Information, has been accumulating DNA sequences for some three decades now. Since its creation in the late 1980s, it has become the de facto repository for genetic information– genetic data must now be submitted to GenBank for a paper to be accepted for publication. Most sequence data accumulated is the result of the sum of many “local” taxonomic studies, that have targeted a particular group of organism for a relatively small, but well-known collection of genes. It contents now span over hundreds of genes across all of life’s domains. So, what would happen if you were to take all the sequence information contained in GenBank and analyze it phylogenetically all together in a single, one-step study? Well, that is what Pablo A. Goloboff and coworkers just did, the results of which were published in last week’s online early edition of Cladistics, the international journal of the Willi Hennig Society.


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"Archetype, Ant reconstruction one homology at a time"

blog por Roberto Keller

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