1887

Abstract

A proposal for minimal standards for descriptions of new species of the order is submitted for considration by the Judicial Commission. The classification of an organism as a member of the order should be based primarily on the following criteria: Lack of a cell wall, typical colonial appearance, filterability through a 450-nm membrane filter, and absence of reversion to a bacterium under appropriate conditions. Classification of the family depends on determination of sterol requirements. The properties to be determined to establish differences from existing species include cultural and biochemical characteristics as well as antigenicity. Reference is made to a number of biochemical and serological tests that are considered particularly important. In addition, a series of optional tests, that may provide further useful information, are mentioned.

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/content/journal/ijsem/10.1099/00207713-22-3-184
1972-07-01
2019-10-20
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http://instance.metastore.ingenta.com/content/journal/ijsem/10.1099/00207713-22-3-184
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