Species Lactobacillus zeae

Name: Lactobacillus zeae (ex Kuznetsov 1959) Dicks et al. 1996

Category: Species

Proposed as: sp. nov., nom. rev.

Etymology: ze’ae. L. fem. n. zea, a kind of grain, and also a botanical genus name; L. gen. fem. n. zeae, of Zea, pertaining to Zea mais, corn

Pronunciation (Latin), gender: lak-to-ba-KIL-lus ZE-a͡e, masculine

Type strain: ATCC 15820; BCRC 17942; CCUG 35515; DSM 20178; JCM 11302; KCTC 3804; LMG 17315; NCIB 9537; NCIMB 9537; RIA 482

Conduct genome-based taxonomy at

16S rRNA gene: D86516 Analyse FASTA

Valid publication: Dicks LM, Du Plessis EM, Dellaglio F, Lauer E. Reclassification of Lactobacillus casei subsp. casei ATCC 393 and Lactobacillus rhamnosus ATCC 15820 as Lactobacillus zeae nom. rev., designation of ATCC 334 as the neotype of L. casei subsp. casei, and rejection of the name Lactobacillus paracasei. Int J Syst Bacteriol 1996; 46:337-340. 🇿🇦

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 46, part 1 of the IJSB. Int J Syst Bacteriol 1996; 46:627.

Nomenclatural status: validly published under the ICNP, illegitimate name

Taxonomic status: synonym (and not recommended for medical use)

Preferred name: Lacticaseibacillus zeae (Dicks et al. 1996 ex Kuznetsov 1959) Liu and Gu 2020

Risk group: 1

Synonyms:

Name	Kind
"Lactobacterium zeae" Kuznetsov 1959	homotypic synonym, not validly published
Lacticaseibacillus zeae (Dicks et al. 1996 ex Kuznetsov 1959) Liu and Gu 2020	homotypic synonym, validly published under the ICNP, illegitimate name

Emendations:
- Huang et al. 2020 Huang CH, Chen CC, Liou JS, Lee AY, Blom J, Lin YC, Huang L, Watanabe K. Genome-based reclassification of Lactobacillus casei: emended classification and description of the species Lactobacillus zeae. Int J Syst Evol Microbiol 2020; 70:3755-3762. 🇯🇵 Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 70, part 6 of the IJSEM. Int J Syst Evol Microbiol 2020; 70:4848-4850.

Notes:
- 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — 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 2026-08-13. 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 52 times in PubMed until 2026-06-11.
- 🪓 Organisms assigned to this species have previously been classified as Lactobacillus rhamnosus (Hansen 1968) Collins et al. 1989. Publication: Collins MD, Phillips BA, Zanoni P. Deoxyribonucleic acid homology studies of Lactobacillus casei, Lactobacillus paracasei sp. nov., subsp. paracasei and subsp. tolerans, and Lactobacillus rhamnosus sp. nov., comb. nov. Int. J. Syst. Bacteriol. 1989; 39:105-108. 🇬🇧
- 🥱 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of 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. This name is not taxonomically suspended any more (but still isn't preferred) in favour of Lactobacillus rhamnosus (Hansen 1968) Collins et al. 1989. Publication: Collins MD, Phillips BA, Zanoni P. Deoxyribonucleic acid homology studies of Lactobacillus casei, Lactobacillus paracasei sp. nov., subsp. paracasei and subsp. tolerans, and Lactobacillus rhamnosus sp. nov., comb. nov. Int. J. Syst. Bacteriol. 1989; 39:105-108. 🇬🇧
- 🧍 According to Bartlett et al. (2022), no evidence of human infection was found for this species. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology (Reading) 2022; 168:0. 🇬🇧
- 🧍 See also Dobson et al. (2004). Publication: Dobson CM, Chaban B, Deneer H, Ziola B. Lactobacillus casei, Lactobacillus rhamnosus, and Lactobacillus zeae isolates identified by sequence signature and immunoblot phenotype. Can J Microbiol 2004; 50:482-488. 🇨🇦
- 🧍 According to the Opinion 82 issued by the Judicial Commission, the name Lactobacillus zeae (ex Kuznetsov 1959) Dicks et al. 1996 is illegitimate (see the page on problems with Lactobacillus casei, Lactobacillus paracasei and Lactobacillus zeae). — 🧍 Illegitimate according to Int J Syst Evol Microbiol 58 (2008), 1764-1765. Publication: Judicial Commission. Judicial Opinion No. 82. Int J Syst Evol Microbiol 2008; 58:1764-1765.

Parent taxon: Lactobacillus Beijerinck 1901 (Approved Lists 1980)

Assigned by: Dicks LM, Du Plessis EM, Dellaglio F, Lauer E. Reclassification of Lactobacillus casei subsp. casei ATCC 393 and Lactobacillus rhamnosus ATCC 15820 as Lactobacillus zeae nom. rev., designation of ATCC 334 as the neotype of L. casei subsp. casei, and rejection of the name Lactobacillus paracasei. Int J Syst Bacteriol 1996; 46:337-340. 🇿🇦

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Record number: 777416

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Species Lactobacillus zeae