Name: Intrasporangium Kalakoutskii et al. 1967 (Approved Lists 1980)

Category: Genus

Proposed as: gen. nov.

Etymology: In.tra.spor.an.gi’um. L. adv. intra, within; N.L. neut. n. sporangium, sporangium; from Gr. fem. n. spora, a seed (and in biology a spore); from Gr. neut. n. angeîon, vessel; N.L. neut. n. Intrasporangium, a name coined to emphasize the possibility of intercalary formation of sporangia in mycelial filaments

Gender, pronunciation: neuter (stem: Intrasporangi-), in-tra-spor-an-GI-um

Type species: Intrasporangium calvum Kalakoutskii et al. 1967 (Approved Lists 1980)

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: Kalakoutskii LV, Kirillova IP, Krassilnikov NA. A new genus of the Actinomycetales, Intrasporangium gen. nov. Journal of General Microbiology 1967; 48:79-85.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Monashia Azman et al. 2016	heterotypic synonym, validly published under the ICNP
    Humihabitans Kageyama et al. 2007	heterotypic synonym, validly published under the ICNP

• Emendations:
  • Liu et al. 2012 Liu H, Wang H, Wang G. Intrasporangium chromatireducens sp. nov., a chromate-reducing actinobacterium isolated from manganese mining soil, and emended description of the genus Intrasporangium. Int J Syst Evol Microbiol 2012; 62:403-408. Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 62, part 2 of the IJSEM. Int J Syst Evol Microbiol 2012; 62:1020.
    Notes:
    • 📧 The e-mail address of the corresponding author given in the associated publication is not functional any more.
    • ⊕ Emendation accompanied by the proposal of 1 new species in the genus.
  • Yang et al. 2012 Yang LL, Ao T, Wang XH, He J, Klenk HP, Tang SK, Li WJ. Proposal of Intrasporangium mesophilum sp. nov., and reclassification of Humihabitans oryzae Kageyama et al. 2007 as Intrasporangium oryzae comb. nov. Int J Syst Evol Microbiol 2012; 62:1037-1041. Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 62, part 5 of the IJSEM. Int J Syst Evol Microbiol 2012; 62:1723-1724.
    Notes:
    • ⊕ Emendation accompanied by the proposal of 2 new species in the genus.
  • Nouioui et al. 2018 Nouioui I, Carro L, Garcia-Lopez M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Goker M. Genome-Based Taxonomic Classification of the Phylum Actinobacteria. Front Microbiol 2018; 9:2007. Oren A, Garrity GM. List of changes in taxonomic opinion no. 29. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2019; 69:13-32.
    Notes:
    • ⊕ Emendation accompanied by the proposal of 1 new species in the genus.

• Notes:
  • 🥇 Nomenclatural type of the family Intrasporangiaceae Rainey et al. 1997. Publication: Stackebrandt E, Rainey FA, Ward-Rainey NL. Proposal for a new hierarchic classification system, Actinobacteria classis nov. Int. J. Syst. Bacteriol. 1997; 47:479-491.
  • 🧕 Goodfellow and Williams (1983) assigned this genus to the uncategorized "Streptomycetes" Goodfellow and Williams 1983. Publication: Goodfellow M, Williams ST. Ecology of actinomycetes. Annu Rev Microbiol 1983; 37:189-216.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Inrrasporangium"; "Intrasporangia"; "Intrasporanglum"; "Intraspornngium"; "Intrmiporangium"; "Intrusporangium"; "Itrasporangium"; "Zntrasporangium".
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: P. Schumann ORG. International Committee on Systematics of Prokaryotes; Subcommittee on the taxonomy of the suborder Micrococcineae. Int. J. Syst. Evol. Microbiol. 2012; 62:755.
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 5; NBRC: 4; NRRL: 3; JCM: 3; CCTCC: 2; CGMCC: 2; KCTC: 2; ATCC: 1; MCCC: 1; VKM: 1.
  • 😷 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". — 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.
  • 🧍 Pittman et al. (1991) suggested the abbreviation "ITSO" 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: 6
Number of child taxa with a validly published name, including synonyms: 6
Total number of child taxa: 6

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Intrasporangium calvum Kalakoutskii et al. 1967 (Approved Lists 1980)	validly published under the ICNP	correct name
    Intrasporangium chromatireducens Liu et al. 2012	validly published under the ICNP	correct name
    Intrasporangium flavum (Azman et al. 2016) Nouioui et al. 2018	validly published under the ICNP	correct name
    Intrasporangium mesophilum Yang et al. 2012	validly published under the ICNP	correct name
    Intrasporangium oryzae (Kageyama et al. 2007) Yang et al. 2012	validly published under the ICNP	correct name
    Intrasporangium zincisolvens Feng et al. 2025	validly published under the ICNP	correct name

Parent taxon: Intrasporangiaceae Rainey et al. 1997

Assigned by: Stackebrandt E, Rainey FA, Ward-Rainey NL. Proposal for a new hierarchic classification system, Actinobacteria classis nov. Int. J. Syst. Bacteriol. 1997; 47:479-491.

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Record number: 515853