Name: Caldisericum exile Mori et al. 2009

Category: Species

Proposed as: sp. nov.

Etymology: e.xi’le. L. neut. adj. exile, slender

Pronunciation (Latin), gender: … e-KSI-le, neuter

Type strain: AZM16c01; DSM 21853; NBRC 104410

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB428365 Analyse FASTA

Valid publication: Mori K, Yamaguchi K, Sakiyama Y, Urabe T, Suzuki K. Caldisericum exile gen. nov., sp. nov., an anaerobic, thermophilic, filamentous bacterium of a novel bacterial phylum, Caldiserica phyl. nov., originally called the candidate phylum OP5, and description of Caldisericaceae fam. nov., Caldisericales ord. nov. and Caldisericia classis nov. Int J Syst Evol Microbiol 2009; 59:2894-2898. 🇯🇵

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 59, part 11 of the IJSEM. Int J Syst Evol Microbiol 2010; 60:269-270.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🥇 Nomenclatural type of the genus Caldisericum Mori et al. 2009. Publication: Mori K, Yamaguchi K, Sakiyama Y, Urabe T, Suzuki K. Caldisericum exile gen. nov., sp. nov., an anaerobic, thermophilic, filamentous bacterium of a novel bacterial phylum, Caldiserica phyl. nov., originally called the candidate phylum OP5, and description of Caldisericaceae fam. nov., Caldisericales ord. nov. and Caldisericia classis nov. Int J Syst Evol Microbiol 2009; 59:2894-2898. 🇯🇵
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 3 times in PubMed until 2025-06-04.

Parent taxon: Caldisericum Mori et al. 2009

Assigned by: Mori K, Yamaguchi K, Sakiyama Y, Urabe T, Suzuki K. Caldisericum exile gen. nov., sp. nov., an anaerobic, thermophilic, filamentous bacterium of a novel bacterial phylum, Caldiserica phyl. nov., originally called the candidate phylum OP5, and description of Caldisericaceae fam. nov., Caldisericales ord. nov. and Caldisericia classis nov. Int J Syst Evol Microbiol 2009; 59:2894-2898. 🇯🇵

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Record number: 788167