Name: Phyllobacterium (ex Knösel 1962) Knösel 1984

Category: Genus

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

Etymology: Phyl.lo.bac.te’ri.um. Gr. neut. n. phyllon, leaf; N.L. neut. n. bacterium, rod; N.L. neut. n. Phyllobacterium, leaf rod (occur in leaf nodules of higher plants)

Gender, pronunciation: neuter (stem: Phyllobacteri-), p^hyl-lo-bak-TE-ri-um

Type species: Phyllobacterium myrsinacearum (ex Knösel 1962) Knösel 1984

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: 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

• Emendations:
  • Jurado et al. 2005 Jurado V, Laiz L, Gonzalez JM, Hernandez-Marine M, Valens M, Saiz-Jimenez C. Phyllobacterium catacumbae sp. nov., a member of the order 'Rhizobiales' isolated from Roman catacombs. Int J Syst Evol Microbiol 2005; 55:1487-1490. 🇪🇸 Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 55, part 4 of the IJSEM. Int J Syst Evol Microbiol 2005; 55:2239-2241.
    Notes:
    • ⊕ Emendation accompanied by the proposal of 1 new species in the genus.
  • Mantelin et al. 2006 Mantelin S, Saux MF, Zakhia F, Bena G, Bonneau S, Jeder H, de Lajudie P, Cleyet-Marel JC. Emended description of the genus Phyllobacterium and description of four novel species associated with plant roots: Phyllobacterium bourgognense sp. nov., Phyllobacterium ifriqiyense sp. nov., Phyllobacterium leguminum sp. nov. and Phyllobacterium brassicacearum sp. nov. Int J Syst Evol Microbiol 2006; 56:827-839. 🇫🇷 Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 56, part 4 of the IJSEM. Int J Syst Evol Microbiol 2006; 56:1461-1462.
    Notes:
    • ⊕ Emendation accompanied by the proposal of 4 new species in the genus.
  • Flores-Félix et al. 2013 Flores-Felix JD, Carro L, Velazquez E, Valverde A, Cerda-Castillo E, Garcia-Fraile P, Rivas R. Phyllobacterium endophyticum sp. nov., isolated from nodules of Phaseolus vulgaris. Int J Syst Evol Microbiol 2013; 63:821-826. 🇪🇸 Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 63, part 3 of the IJSEM. Int J Syst Evol Microbiol 2013; 63:1939-1941.
    Notes:
    • ⊕ Emendation accompanied by the proposal of 1 new species in the genus.

• Notes:
  • 🥇 Nomenclatural type of the family Phyllobacteriaceae Mergaert and Swings 2006. Publication: Mergaert J, Swings J. Family IV. Phyllobacteriaceae fam. nov. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part C (The Alpha-, Beta-, Delta-, and Epsilonproteobacteria), Springer, New York, 2005, p. 393. 🇺🇸
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Phyiobacterium"; "Phyllobactenum"; "Phyllobacter"; "Phyllohacterium"; "Phylobacterium".
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Lindstrom K, Young JP. International committee on systematics of prokaryotes; subcommittee on the taxonomy of agrobacterium and rhizobium: minutes of the meetings, 31 August 2008, Gent, Belgium. Int J Syst Evol Microbiol 2009; 59:921-922.
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: de Lajudie P, Young JPW. International Committee on Systematics of Prokaryotes Subcommittee on the Taxonomy of Rhizobia and Agrobacteria Minutes of the meeting by video conference, 11 July 2018. Int J Syst Evol Microbiol 2019; 69:1835-1840. 🇫🇷
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: de Lajudie P, Martinez-Romero E. International Committee on Systematics of Prokaryotes Subcommittee on the taxonomy of Agrobacterium and Rhizobium Minutes of the meeting, 7 September 2014, Tenerife, Spain. Int J Syst Evol Microbiol 2017; 67:516-520. 🇫🇷
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: de Lajudie PM, Young JPW. International Committee on Systematics of Prokaryotes Subcommittee for the Taxonomy of Rhizobium and Agrobacterium Minutes of the meeting, Budapest, 25 August 2016. Int J Syst Evol Microbiol 2017; 67:2485-2494. 🇫🇷
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Mousavi SA, Young JPW. International Committee on Systematics of Prokaryotes Subcommittee on the taxonomy of Rhizobia and Agrobacteria: minutes of the 2024 closed annual meeting. Int J Syst Evol Microbiol 2025; 75:6680. 🇫🇮
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Sanchez et al. (2014). Editors in search of reviewers are advised to consider additional criteria such as whether a taxon is covered by one of the ICSP subcommittees.
  • 🎰 The BRCs most frequently used for deposits in this group are: LMG: 15; DSM: 6; CECT: 5; CFBP: 4; HAMBI: 2; NBRC: 2; KCTC: 2; JCM: 1; ACCC: 1; CCUG: 1.
  • 🧍 Pittman et al. (1991) suggested the abbreviation "PLBT" for this genus name but this does not appear to be of practical relevance any longer. Publication: Pittman KF, Walczak CA, Lock CM. Codes and abbreviations for approved of effectively published names of genera of bacteria published from January 1980 to December 1990. Int J Syst Bacteriol 1991; 41:571-579.

Subdivision:

Number of child taxa with a validly published and correct name: 16
Number of child taxa with a validly published name, including synonyms: 17
Total number of child taxa: 20

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Phyllobacterium bourgognense Mantelin et al. 2006	validly published under the ICNP	correct name
    Phyllobacterium brassicacearum Mantelin et al. 2006	validly published under the ICNP	correct name
    Phyllobacterium calauticae Lustermans et al. 2022	validly published under the ICNP	correct name
    Phyllobacterium catacumbae Jurado et al. 2005	validly published under the ICNP	correct name
    "Phyllobacterium chamaecytisi" Wdowiak-Wróbel et al. 2025	not validly published	preferred name
    Phyllobacterium endophyticum Flores-Félix et al. 2013	validly published under the ICNP	correct name
    Phyllobacterium ifriqiyense Mantelin et al. 2006	validly published under the ICNP	correct name
    Phyllobacterium leguminum Mantelin et al. 2006	validly published under the ICNP	correct name
    Phyllobacterium loti Sánchez et al. 2014	validly published under the ICNP	correct name
    "Phyllobacterium lublinensis" Wdowiak-Wróbel et al. 2025	not validly published	preferred name
    Phyllobacterium meliloti Bromfield et al. 2025	validly published under the ICNP	correct name
    Phyllobacterium myrsinacearum (ex Knösel 1962) Knösel 1984	validly published under the ICNP	correct name
    "Candidatus Phyllobacterium onerii" Eren Eroglu et al. 2024	not validly published	preferred name
    Phyllobacterium pellucidum Park et al. 2025	validly published under the ICNP	correct name
    Phyllobacterium phragmitis Liang et al. 2021	validly published under the ICNP	correct name
    Phyllobacterium rubiacearum (ex von Faber 1912) Knösel 1984	validly published under the ICNP	synonym
    Phyllobacterium salinisoli León-Barrios et al. 2018	validly published under the ICNP	correct name
    Phyllobacterium sophorae Jiao et al. 2015	validly published under the ICNP	correct name
    Phyllobacterium trifolii Valverde et al. 2005	validly published under the ICNP	correct name
    Phyllobacterium zundukense Safronova et al. 2018	validly published under the ICNP	correct name

Parent taxon: Phyllobacteriaceae Mergaert and Swings 2006

Assigned by: Mergaert J, Swings J. Family IV. Phyllobacteriaceae fam. nov. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part C (The Alpha-, Beta-, Delta-, and Epsilonproteobacteria), Springer, New York, 2005, p. 393. 🇺🇸

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Record number: 516326