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Taxonomy of Mollicutes

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Abstract

Many commonly used bacteriological terms are far from being well defined and in scientific papers these terms may be used with different meanings15, 89. One of the purposes of bacterial taxonomy is to avoid confusion by creating a database with a common language for bacteriologists. The word taxonomy is derived from the Greek words taxis and nomos, which mean arrangement or order and law, respectively. Microbial taxonomy includes three different, but related areas, namely classification, nomenclature and identification2. Taxonomy can be regarded as a complete system for organisation of information about organisms and classification is defined as the theories and principles for arranging organisms into hierarchic groups of the above database. Taxon (pl. taxa) is defined as a group of organisms of any rank in the taxonomic hierarchy62. For instance, species, family and domain are taxa and these taxa are ranked according to their level of inclusiveness. Nomenclature refers to the process of naming taxa on the basis of similarities or relations, which for bacteria is regulated by the so-called Bacteriological Code72. Identification is the practical application of a classification scheme to establish the identity of an isolate. Systematics is sometimes used as a synonym for taxonomy, but phylogenetic aspects are often also included in systematics74.

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Johansson, KE., Pettersson, B. (2002). Taxonomy of Mollicutes . In: Razin, S., Herrmann, R. (eds) Molecular Biology and Pathogenicity of Mycoplasmas. Springer, Boston, MA. https://doi.org/10.1007/0-306-47606-1_1

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  • DOI: https://doi.org/10.1007/0-306-47606-1_1

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