Name: Thauera phenylacetica Mechichi et al. 2002

Category: Species

Proposed as: sp. nov.

Etymology: phe.nyl.a.ce’ti.ca. L. neut. adj. acidum, an acid; N.L. fem. adj. phenylacetica, pertaining to 4-OH-phenylacetate, the substrate used for isolation

Pronunciation (Latin), gender: … p^he-nyl-a-KE-ti-ka, feminine

Type strain: B4P; CIP 110163; DSM 14743

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ315678 Analyse FASTA

Effective publication: Mechichi T, Stackebrandt E, Gad'on N, Fuchs G. Phylogenetic and metabolic diversity of bacteria degrading aromatic compounds under denitrifying conditions, and description of Thauera phenylacetica sp. nov., Thauera aminoaromaticasp. nov., and Azoarcus buckelii sp. nov. Arch Microbiol 2002; 178:26-35. 🇩🇪

IJSEM list: Anonymous. Validation list no. 87. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2002; 52:1437-1438.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 😷 The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — 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 4 times in PubMed until 2025-06-04.
  • 🧍 At the time of publication, the type strain was not deposited in two publicly accessible service collections in different countries, and Thauera phenylacetica Mechichi et al. 2002 was not validly published [Rules 27(3) and 30]. However, according to the Judicial Opinion 81, Thauera phenylacetica Mechichi et al. 2002 is now considered to be validly published, since deposit in a second culture collection in a different country has been documented. Publication: Euzeby JP, Tindall BJ. Status of strains that contravene Rules 27(3) and 30 of the Bacteriological Code. Request for an opinion. Int J Syst Evol Microbiol 2004; 54:293-301. 🇫🇷

Parent taxon: Thauera Macy et al. 1993

Assigned by: Mechichi T, Stackebrandt E, Gad'on N, Fuchs G. Phylogenetic and metabolic diversity of bacteria degrading aromatic compounds under denitrifying conditions, and description of Thauera phenylacetica sp. nov., Thauera aminoaromaticasp. nov., and Azoarcus buckelii sp. nov. Arch Microbiol 2002; 178:26-35. 🇩🇪

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Record number: 782465