Name: Guptibacillus Bello et al. 2025

Category: Genus

Proposed as: gen. nov.

Etymology: Gup.ti.ba.cil’lus. L. masc. n. bacillus, a small staff or rod and Bacillus, a bacterial genus; N.L. masc. n. Guptibacillus, a bacillus named after Prof. Radhey Shyam Gupta (McMaster University, Canada), for his pioneering and extensive work on using conserved signature indels for clarifying the evolutionary relationships and classification of Bacillus species and other bacteria

Gender, pronunciation: masculine (stem: Guptibacill-), gup-ti-ba-KIL-lus

Type species: Guptibacillus hwajinpoensis (Yoon et al. 2004) Bello et al. 2025

Valid publication: Bello S, Rudra B, Schellhorn HE. Phylogenomic studies and molecular markers clarifying the evolutionary relationships and classification of Pseudalkalibacillus species: proposal for the family Guptibacillaceae fam. nov. harbouring the genera Guptibacillus gen. nov. and Exobacillus gen. nov. Int J Syst Evol Microbiol 2025; 75:6757.

IJSEM list: Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 75, part 5 of the IJSEM. Int J Syst Evol Microbiol 2025; 75:6824.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Pseudalkalibacillus Joshi et al. 2022

• Synonyms:

  • Name	Kind
    Pseudalkalibacillus Joshi et al. 2022	heterotypic synonym, validly published under the ICNP
    Exobacillus Bello et al. 2025	heterotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the family Guptibacillaceae Bello et al. 2025. Publication: Bello S, Rudra B, Schellhorn HE. Phylogenomic studies and molecular markers clarifying the evolutionary relationships and classification of Pseudalkalibacillus species: proposal for the family Guptibacillaceae fam. nov. harbouring the genera Guptibacillus gen. nov. and Exobacillus gen. nov. Int J Syst Evol Microbiol 2025; 75:6757.
  • 🚂 For the type species of this genus another name is in use, which is affiliated with the genus Pseudalkalibacillus Joshi et al. 2022. Publication: Joshi A, Thite S, Karodi P, Joseph N, Lodha T. Alkalihalobacterium elongatum gen. nov. sp. nov.: An Antibiotic-Producing Bacterium Isolated From Lonar Lake and Reclassification of the Genus Alkalihalobacillus Into Seven Novel Genera. Front Microbiol 2021; 12:722369.
  • ❗ Guptibacillus is the correct name instead if this genus is regarded as a separate genus (i.e., if its nomenclatural type is not assigned to another genus whose name is validly published, legitimate and not rejected and has priority).
  • 🎰 The BRCs most frequently used for deposits in this group are: JCM: 3; DSM: 2; GDMCC: 2; KCTC: 2; KMM: 1; CIP: 1; LMG: 1; KCCM: 1.

Subdivision:

Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 5
Total number of child taxa: 5

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Guptibacillus algicola (Ivanova et al. 2004) Bello et al. 2025	validly published under the ICNP	synonym
    Guptibacillus hemicentroti (Chen et al. 2011) Bello et al. 2025	validly published under the ICNP	synonym
    Guptibacillus hwajinpoensis (Yoon et al. 2004) Bello et al. 2025	validly published under the ICNP	synonym
    Guptibacillus sedimenti (Liu et al. 2023) Bello et al. 2025	validly published under the ICNP	synonym
    Guptibacillus spartinae (Liu et al. 2023) Bello et al. 2025	validly published under the ICNP	synonym

Parent taxon: Guptibacillaceae Bello et al. 2025

Assigned by: Bello S, Rudra B, Schellhorn HE. Phylogenomic studies and molecular markers clarifying the evolutionary relationships and classification of Pseudalkalibacillus species: proposal for the family Guptibacillaceae fam. nov. harbouring the genera Guptibacillus gen. nov. and Exobacillus gen. nov. Int J Syst Evol Microbiol 2025; 75:6757.

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Record number: 65203