Name: Alcaligenes faecalis subsp. parafaecalis Schroll et al. 2001

Category: Subspecies

Proposed as: subsp. nov.

Etymology: para.fae.ca’lis. Gr. prep. para, beside, alongside of, near, like; N.L. masc./fem. adj. faecalis, specific epithet; N.L. masc./fem. adj. parafaecalis, intended to mean alongside of the species Alcaligenes faecalis

Gender: masculine

Type strain: CCUG 48316; CIP 106866; DSM 13975; DSM 3975; G

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ242986 Analyse FASTA

Effective publication: Schroll G, Busse HJ, Parrer G, Rolleke S, Lubitz W, Denner EB. Alcaligenes faecalis subsp. parafaecalis subsp. nov., a bacterium accumulating poly-beta-hydroxybutyrate from acetone-butanol bioprocess residues. Syst Appl Microbiol 2001; 24:37-43.

IJSEM list: Anonymous. Validation list no. 82. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2001; 51:1619-1620.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Synonyms:

  • Name	Kind
    Alcaligenes parafaecalis (Schroll et al. 2001) Machado et al. 2023	homotypic synonym, validly published under the ICNP, distinct rank

• Notes:
  • 😷 The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1.

Parent taxon: Alcaligenes faecalis Castellani and Chalmers 1919 (Approved Lists 1980)

Assigned by: Schroll G, Busse HJ, Parrer G, Rolleke S, Lubitz W, Denner EB. Alcaligenes faecalis subsp. parafaecalis subsp. nov., a bacterium accumulating poly-beta-hydroxybutyrate from acetone-butanol bioprocess residues. Syst Appl Microbiol 2001; 24:37-43.

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Record number: 773013