Name: Secundilactobacillus malefermentans (Farrow et al. 1989) Zheng et al. 2020

Category: Species

Proposed as: comb. nov.

Basonym: Lactobacillus malefermentans (ex Russell and Walker 1953) Farrow et al. 1989

Etymology: ma.le.fer.men’tans. L. adv. male, bad; L. pres. part. fermentans, fermenting; N.L. part. adj. malefermentans, badly fermenting, referring to spoiled beer

Gender: masculine

Type strain: CCUG 32206; CIP 103367; DSM 5705; IFO 15905; JCM 12497; LMG 11455; NBRC 15905; NCDO 1410; NCFB 1410; NCIMB 701410; Strain D2 MF1

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB680994 Analyse FASTA

Valid publication: Zheng J, Wittouck S, Salvetti E, Franz CMAP, Harris HMB, Mattarelli P, O'Toole PW, Pot B, Vandamme P, Walter J, et al. A taxonomic note on the genus Lactobacillus: Description of 23 novel genera, emended description of the genus Lactobacillus Beijerinck 1901, and union of Lactobacillaceae and Leuconostocaceae. Int J Syst Evol Microbiol 2020; 70:2782-2858.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 70, part 4 of the IJSEM. Int J Syst Evol Microbiol 2020; 70:4050-4060.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Lactobacillus malefermentans (ex Russell and Walker 1953) Farrow et al. 1989	homotypic synonym, validly published under the ICNP

• Notes:
  • Nomenclatural type of the genus Secundilactobacillus Zheng et al. 2020. Publication: Zheng J, Wittouck S, Salvetti E, Franz CMAP, Harris HMB, Mattarelli P, O'Toole PW, Pot B, Vandamme P, Walter J, et al. A taxonomic note on the genus Lactobacillus: Description of 23 novel genera, emended description of the genus Lactobacillus Beijerinck 1901, and union of Lactobacillaceae and Leuconostocaceae. Int J Syst Evol Microbiol 2020; 70:2782-2858.
  • Deposit incorrectly indicated in some sources as representing the type strain of this taxon: ATCC 49373.

Parent taxon: Secundilactobacillus Zheng et al. 2020

Assigned by: Zheng J, Wittouck S, Salvetti E, Franz CMAP, Harris HMB, Mattarelli P, O'Toole PW, Pot B, Vandamme P, Walter J, et al. A taxonomic note on the genus Lactobacillus: Description of 23 novel genera, emended description of the genus Lactobacillus Beijerinck 1901, and union of Lactobacillaceae and Leuconostocaceae. Int J Syst Evol Microbiol 2020; 70:2782-2858.

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Record number: 10872