Abstract
After a general view of the actual situation of the phylogenetic relationships between the diverse animals and thus having traced the fundamental elements of an essentially phylogenetic classification, several themes that emerge from this initial analysis have been developed. For instance one of the fundamental problems is about homologous genes shared by the protostomes and deuterostomes and attributed back to that hypothetical group of the primitive bilaterians, the Urbilateria, reconstructed from genetic analysis. The analyzed genes are essentially of a regulatory type, thus a remarkable conservation of functions seems to exist. This fundamental conservation of the general genetic patrimony of the living organisms, within an overall picture which includes an infinite gamma of structural and functional modulations of the single genes, and a vast gamma of temporal and spatial modulations of regulation of the genic activity, justifies the use of diverse animal forms for the study and comprehension of general biological phenomena, potentially relevant for human health.
Keywords: phylogenetic tree, endosymbiontic theory, eukaryotes, Deuterostomia, Lophophorata, Urbilateria
Current Pharmaceutical Design
Title: Phylogeny and Genetic Code: Evolution and Conservation
Volume: 12 Issue: 24
Author(s): G. Lanzavecchia
Affiliation:
Keywords: phylogenetic tree, endosymbiontic theory, eukaryotes, Deuterostomia, Lophophorata, Urbilateria
Abstract: After a general view of the actual situation of the phylogenetic relationships between the diverse animals and thus having traced the fundamental elements of an essentially phylogenetic classification, several themes that emerge from this initial analysis have been developed. For instance one of the fundamental problems is about homologous genes shared by the protostomes and deuterostomes and attributed back to that hypothetical group of the primitive bilaterians, the Urbilateria, reconstructed from genetic analysis. The analyzed genes are essentially of a regulatory type, thus a remarkable conservation of functions seems to exist. This fundamental conservation of the general genetic patrimony of the living organisms, within an overall picture which includes an infinite gamma of structural and functional modulations of the single genes, and a vast gamma of temporal and spatial modulations of regulation of the genic activity, justifies the use of diverse animal forms for the study and comprehension of general biological phenomena, potentially relevant for human health.
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Cite this article as:
Lanzavecchia G., Phylogeny and Genetic Code: Evolution and Conservation, Current Pharmaceutical Design 2006; 12 (24) . https://dx.doi.org/10.2174/138161206777947515
DOI https://dx.doi.org/10.2174/138161206777947515 |
Print ISSN 1381-6128 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4286 |
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