Overview of the identification process

Taxonomy

Classification in taxa, unitary taxonomic units.
Species rank is the rank of interest.
Species definition is now more oriented by phylogeny.
- Global DNA hybridization : Gold Standard
- Species members are sharing a common ancestor.
- Now uses SSU rDNA (16S) similitude and multi locus phylogeny.

Nomenclature

Universal denomination of a taxonomic unit.
Enable comparison and information sharing.

Identification

To include an isolate into a known taxonomic unit.
Sharing a certain level of similitude.
Under the same node in phylogeny.
Databases must contain enough information.

Prokaryotes Identification Web Tools

Sun Aug 17 11:33:56 2008