Name: Phyllobacterium myrsinacearum (ex Knösel 1962) Knösel 1984

Category: Species

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

Etymology: N.L. fem. pl. n. Myrsinaceae, family of plants; N.L. gen. fem. pl. n. myrsinacearum, of Myrsinaceae, of the myrsine family

Gender: neuter

Type strain: ATCC 43590; CCUG 34962; DSM 5892; JCM 20932; LMG 2 Colony Type: 2; LMG 2t2; LMG 6738; NBRC 100019; NCIB 12127; NCIMB 12127

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: D12789 Analyse FASTA

Effective publication: Knösel DH. Genus Phyllobacterium. In: Krieg NR, Holt JG (eds), Bergey's manual of systematic bacteriology, vol. 1., The Williams & Wilkins Co., Baltimore, 1984, p. 254-256.

IJSEM list: Anonymous. Validation list no. 15. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1984; 34:355-357.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Phyllobacterium rubiacearum (ex von Faber 1912) Knösel 1984	heterotypic synonym, validly published under the ICNP

• Emendations:
  • Mergaert et al. 2002 Mergaert J, Cnockaert MC, Swings J. Phyllobacterium myrsinacearum (subjective synonym Phyllobacterium rubiacearum) emend. Int J Syst Evol Microbiol 2002; 52:1821-1823. Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 52, part 5 of the IJSEM. Int J Syst Evol Microbiol 2003; 53:3-5.
    Notes:
    • 📧 The e-mail address of the corresponding author given in the associated publication is not functional any more.
    • 🫂 Emendation accompanied by a proposal regarding the synonymy of the species.
    • 🧍 In the paper by Mergaert et al. 2002, Phyllobacterium rubiacearum (ex von Faber 1912) Knösel 1984 is cited as Phyllobacterium rubiacearum (ex Knösel 1962) Knösel 1984.
  • Hameed et al. 2015 Hameed A, Shahina M, Lai WA, Lin SY, Young LS, Liu YC, Hsu YH, Young CC. Oricola cellulosilytica gen. nov., sp. nov., a cellulose-degrading bacterium of the family Phyllobacteriaceae isolated from surface seashore water, and emended descriptions of Mesorhizobium loti and Phyllobacterium myrsinacearum. Antonie Van Leeuwenhoek 2015; 107:759-771. Oren A, Garrity GM. List of changes in taxonomic opinion no. 22. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2015; 65:2028-2029.

• Notes:
  • 🥇 Nomenclatural type of the genus Phyllobacterium (ex Knösel 1962) Knösel 1984. Publication: Knösel DH. Genus Phyllobacterium. In: Krieg NR, Holt JG (eds), Bergey's manual of systematic bacteriology, vol. 1., The Williams & Wilkins Co., Baltimore, 1984, p. 254-256.
  • ⏰ According to Mergaert et al. (2002), this species is an earlier heterotypic synonym of Phyllobacterium rubiacearum (ex von Faber 1912) Knösel 1984. Publication: Mergaert J, Cnockaert MC, Swings J. Phyllobacterium myrsinacearum (subjective synonym Phyllobacterium rubiacearum) emend. Int J Syst Evol Microbiol 2002; 52:1821-1823.
  • 😷 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 2023-10-29. 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 16 times in PubMed until 2024-03-28.
  • 🧍 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: Phyllobacterium (ex Knösel 1962) Knösel 1984

Assigned by: Knösel DH. Genus Phyllobacterium. In: Krieg NR, Holt JG (eds), Bergey's manual of systematic bacteriology, vol. 1., The Williams & Wilkins Co., Baltimore, 1984, p. 254-256.

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Record number: 779548