Name: Ideonella dechloratans Malmqvist et al. 1994

Category: Species

Proposed as: sp. nov.

Etymology: de.chlo’ra.tans. N.L. fem. part. adj. dechloratans; L. prep. de, from; N.L. pres. part. chloratans, derived from chlorate, the chlorate reducing bacterium

Pronunciation (Latin), gender: … de-K^HLO-ra-tans, feminine

Type strain: ATCC 51718; CCUG 30898; CCUG 30977; CIP 104251

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X72724 Analyse FASTA

Effective publication: Malmqvist A, Welander T, Moore E, Ternstrom A, Molin G, Stenstrom I. Ideonella dechloratans, gen. nov., sp. nov., a new bacterium capable of growing anaerobically with chlorate as an electron acceptor. Syst. Appl. Microbiol. 1994; 17:58-64.

IJSEM list: Anonymous. Validation list no. 50. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1994; 44:595.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🥇 Nomenclatural type of the genus Ideonella Malmqvist et al. 1994. Publication: Malmqvist A, Welander T, Moore E, Ternstrom A, Molin G, Stenstrom I. Ideonella dechloratans, gen. nov., sp. nov., a new bacterium capable of growing anaerobically with chlorate as an electron acceptor. Syst. Appl. Microbiol. 1994; 17:58-64.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — 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 29 times in PubMed until 2025-06-04.

Parent taxon: Ideonella Malmqvist et al. 1994

Assigned by: Malmqvist A, Welander T, Moore E, Ternstrom A, Molin G, Stenstrom I. Ideonella dechloratans, gen. nov., sp. nov., a new bacterium capable of growing anaerobically with chlorate as an electron acceptor. Syst. Appl. Microbiol. 1994; 17:58-64.

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Record number: 784035