Mathematics – Functional Analysis
Scientific paper
Oct 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998oleb...28..571b&link_type=abstract
Origins of Life and Evolution of the Biosphere, v. 28, Issue 4/6, p. 571-582 (1998).
Mathematics
Functional Analysis
Scientific paper
In order to study the functional phylogeny of organisms, forty different protein synthesis inhibitors with diverse domain and funcional specificities have been used to analyze forty archaeal, bacterial and eukaryotic translational systems. The inhibition curves generated with the different ribosome-antibiotic pairs have shown very interesting similarities among organisms belonging to the same phylogenetic group, confirming the feasibility of using such information in the development of evolutionary studies. A new method to extract most of the information contained in the inhibition curves is presented. Using a statistical treatment based on the principal components analysis of the data, we have defined coordinates for the organisms which have allowed us to perform a functional clustering of them. The phenograms obtained are very similar to those generated by 16/18S rRNA sequence comparison. These results prove the phylogenetic value of our functional analysis and suggest an interesting intersection between genotypic and phenotypic (functional) information.
Amils Ricardo
Briones Carlos
Koroutchev Kostadin
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