Name: Fructilactobacillus sanfranciscensis (Weiss and Schillinger 1984 ex Kline and Sugihara 1971) Zheng et al. 2020

Category: Species

Proposed as: comb. nov.

Basonym: Lactobacillus sanfranciscensis corrig. (ex Kline and Sugihara 1971) Weiss and Schillinger 1984

Etymology: san.fran.cis.cen’sis. N.L. masc. adj. sanfranciscensis, from San Francisco [probably better: sanfrancisconensis]

Pronunciation (Latin), gender: … san-fran-kis-KEN-sis, masculine

Type strain: ATCC 27651; CCUG 30143; CIP 103252; DSM 20451; JCM 5668; LMG 16002; NRRL B-3934; Strain L-12

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X76327 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 (and explicitly recommended for medical use)

• Synonyms:

  • Name	Kind
    Lactobacillus sanfranciscensis corrig. (ex Kline and Sugihara 1971) Weiss and Schillinger 1984	homotypic synonym, validly published under the ICNP
    Lactobacillus sanfrancisco (ex Kline and Sugihara 1971) Weiss and Schillinger 1984	homotypic synonym, inaccurate spelling

• Notes:
  • 🎓 Name mentioned 38 times in PubMed until 2025-06-04.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of other species in the genus.

Parent taxon: Fructilactobacillus 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: 10809