Name: Prochlorococcus Chisholm et al. 1992

Category: Genus

Proposed as: gen. nov.

Etymology: Pro.chlo.ro.coc.cus. Gr. pref. pro-, before, primitive; Gr. masc. adj. chlôros, green; Gr. masc. n. kokkos, grain or kernel; N.L. masc. n. Prochlorococcus, primitive green kernel (cell)

Gender: masculine (stem: Prochlorococc-)

Type species: Prochlorococcus marinus Chisholm et al. 1992

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Chisholm SW, Frankel SL, Goericke R, Olson RJ, Palenik B, Waterbury JB, West-Johnsrud L, Zettler ER. Prochlorococcus marinus nov. gen. nov. sp.: an oxyphototrophic marine prokaryote containing divinyl chlorophyll a and b. Arch. Microbiol. 1992; 157:297-300.

IJSEM list: Anonymous. Validation list no. 79. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2001; 51:263-265.

Nomenclatural status: validly published under the ICN (Botanical Code)

Taxonomic status: correct name

• Notes:
  • Boone et al. (2001) assigned this genus to the class "Cyanobacteria". Publication: Garrity GM, Holt JG. The Road Map to the Manual. In: Boone DR, Castenholz RW, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, second edition, vol. 1 (The Archaea and the deeply branching and phototrophic Bacteria), Springer-Verlag, New York, 2001, p. 119-166.
  • Komarek et al. (2014) assigned this genus to the family Prochloraceae (ex Lewin 1977) Florenzano et al. 1986. Publication: Komárek J, Kaštovský J, Mareš J, Johansen JR. Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014, using a polyphasic approach. Preslia 2014; 86:295-335.
  • Yilmaz et al. (2014) assigned this genus to the family "Prochlorococcaceae". Publication: Yilmaz P, Parfrey LW, Yarza P, Gerken J, Pruesse E, Quast C, Schweer T, Peplies J, Ludwig W, Glöckner FO. The SILVA and “all-species living tree project (LTP)” taxonomic frameworks. Nucleic Acids Research 2014; 42(D1):D643-D648.
  • This taxon name is occasionally misprinted in some sources as: "Procblorococcus"; "Prochloroccoccus"; "Prochloroccocus"; "Prochlorocococcus"; "Prochlorocossus"; "Prochorococcus".
  • This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Imhoff JF, Wilmotte A. International Committee on Systematics of Prokaryotes. Subcommittee on the Taxonomy of Phototrophic Bacteria: Minutes of the closed online Meeting from 9-27 August 2021. Int J Syst Evol Microbiol 2022; 72:5212.
  • The BRCs most frequently used for deposits in this group are: CCMP: 1; RCC: 1.
  • Full authorship: Chisholm, Frankel, Goericke, Olson, Palenik, Waterbury, West-Johnsrud and Zettler 1992.
  • Prochlorococcus Chisholm et al. 2001 is not validly published under the ICNP because the type species is not validly published under the ICNP. Publication: Parker CT, Tindall BJ, Garrity GM. International Code of Nomenclature of Prokaryotes. Int J Syst Evol Microbiol 2019; 69:S1-S111.
  • Name validly published under the ICN although it appeared in a Validation List. Publication: Chisholm SW, Frankel SL, Goericke R, Olson RJ, Palenik B, Waterbury JB, West-Johnsrud L, Zettler ER. Prochlorococcus marinus nov. gen. nov. sp.: an oxyphototrophic marine prokaryote containing divinyl chlorophyll a and b. Arch. Microbiol. 1992; 157:297-300.
  • See also Moldovan and Gelfand (2018). Publication: Moldovan MA, Gelfand MS. Pangenomic Definition of Prokaryotic Species and the Phylogenetic Structure of Prochlorococcus spp. Front Microbiol 2018; 9:428.

Subdivision:

Number of child taxa with a validly published and correct name: 1
Number of child taxa with a validly published name, including synonyms: 1
Total number of child taxa: 1

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Prochlorococcus marinus Chisholm et al. 1992	validly published under the ICN (Botanical Code)	correct name

Parent taxon: Synechococcaceae Komárek and Anagnostidis 1995

Assigned by: Coutinho F, Tschoeke DA, Thompson F, Thompson C. Comparative genomics of Synechococcus and proposal of the new genus Parasynechococcus. PeerJ 2016; 3:e1522.

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Record number: 517316