International Committee on Systematics of Prokaryotes (ICSP) Subcommittee on the taxonomy of Chlamydiae. Minutes of the closed meeting, 5 July 2018, Woudschoten, Zeist, The Netherlands

A rapidly growing number of culture-independent studies describe Candidatus species based on the analysis of their whole genome. A single genome is considered enough information to report a novel Candidatus species, if the genome is complete enough, with more than 80% of the 208 core genes described by Gimenez et al. being present [2]. Minimal required standards for the description of a novel chlamydial species include, in addition to the mentioned above genomics data, a phenotypic characterization and the deposit of at least one isolate in two culture collections, as detailed in earlier Minutes [3].