Name: Liberibacter crescens Fagen et al. 2014

Category: Species

Proposed as: sp. nov.

Etymology: cres’cens. L. masc. part. adj. crescens, growing, thriving

Pronunciation (Latin), gender: li-be-ri-BAK-ter KRES-kens, masculine

Type strain: ATCC BAA-2481; BT-1; DSM 26877

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: JX430025 Analyse FASTA

Valid publication: Fagen JR, Leonard MT, Coyle JF, McCullough CM, Davis-Richardson AG, Davis MJ, Triplett EW. Liberibacter crescens gen. nov., sp. nov., the first cultured member of the genus Liberibacter. Int J Syst Evol Microbiol 2014; 64:2461-2466. 🇺🇸

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 64, part 7 of the IJSEM. Int J Syst Evol Microbiol 2014; 64:3333-3334.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🥇 Nomenclatural type of the genus Liberibacter Fagen et al. 2014. Publication: Fagen JR, Leonard MT, Coyle JF, McCullough CM, Davis-Richardson AG, Davis MJ, Triplett EW. Liberibacter crescens gen. nov., sp. nov., the first cultured member of the genus Liberibacter. Int J Syst Evol Microbiol 2014; 64:2461-2466. 🇺🇸
  • 😷 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". — The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1, note = "p+". — 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 42 times in PubMed until 2026-06-11.
  • 🧍 The phylogenetic position of this species was determined in a genome-scale analysis by Hördt et al. (2020). Publication: Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468. 🇩🇪

Parent taxon: Liberibacter Fagen et al. 2014

Assigned by: Fagen JR, Leonard MT, Coyle JF, McCullough CM, Davis-Richardson AG, Davis MJ, Triplett EW. Liberibacter crescens gen. nov., sp. nov., the first cultured member of the genus Liberibacter. Int J Syst Evol Microbiol 2014; 64:2461-2466. 🇺🇸

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Record number: 791966