腸内細菌目

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腸内細菌目
Salmonella enterica(赤色)の着色走査電子顕微鏡画像
分類
ドメイン : 真正細菌
Bacteria
界 : シュードモナス界
Pseudomonadati
門 : シュードモナス門
Pseudomonadota
綱 : ガンマプロテオバクテリア綱
Gammaproteobacteria
目 : 腸内細菌目
Enterobacterales
学名
Enterobacterales
Adeolu et al. 2016[1]
(IJSEMリストに掲載 2017)[2]
タイプ属
エンテロバクター属
Enterobacter

Hormaeche & Edwards 1960[3]
(IJSEMリストに掲載 1980)[4]
修正 Brady et al. 2013[5]
(IJSEMリストに掲載 2014)[6]
シノニム
  • "Enterobacteriales"
    Garrity & Holt 2001[7]
下位分類(科)
2026年10月現在[8]
正名(全8科)
シノニム(全4科)
  • Enterobacteraceae
    (ex Lapage 1979)[12] Lapage 1982[13]
正名はEnterobacteriaceae Rahn 1937
  • Enterobacteriaceae
    (ex Rahn 1937)[9] Ewing et al. 1980[14]
正名はEnterobacteriaceae Rahn 1937
  • エスケリキア科
    Escherichiaceae
    Goodfellow & Trüper 1982[15]
正名はEnterobacteriaceae Rahn 1937
  • "Bruguierivoracaceae"
    Li et al. 2021[16]
正名はPectobacteriaceae(ペクトバクテリウム科)

腸内細菌目あるいはエンテロバクター目(Enterobacterales)は、真正細菌のガンマプロテオバクテリア綱に属する目の一つである。

特徴

グラム陰性、非芽胞形成性、桿状、通性嫌気性の細菌から成る目である。腸内細菌目に属する細菌は、ペプチドABCトランスポーターペルメアーゼ、伸長因子P様タンパク質YeiP、L-アラビノースイソメラーゼ、ピロホスファターゼ、および未知タンパク質といった5種のタンパク質に見られる保存されたシグネチャーインデル(CSIs)によって、他のすべての細菌と区別することができる(表1)[1]。

表1.腸内細菌目内で保存されたシグネチャーインデル
タンパク質GenBankアクセッション番号インデルサイズインデル位置
L-アラビノースイソメラーゼ
L-arabinose isomerase
WP_0001517071 aa ins346–382
伸長因子P様タンパク質YeiP
Elongation factor P-like protein YeiP
WP_0016104701 aa ins89–129
未知タンパク質ACI705846 aa ins143–185
ペプチドABCトランスポーターペルメアーゼ
Peptide ABC transporter permease
WP_0005522953 aa ins157–198
ピロホスファターゼ
Pyrophosphatase
WP_0006408731 aa ins105–148

脚注

  1. 1 2 3 4 5 6 7 8 9 Mobolaji Adeolu, Seema Alnajar, Sohail Naushad and Radhey S. Gupta (01 December 2016). “Genome-based phylogeny and taxonomy of the ‘Enterobacteriales’: proposal for Enterobacterales ord. nov. divided into the families Enterobacteriaceae, Erwiniaceae fam. nov., Pectobacteriaceae fam. nov., Yersiniaceae fam. nov., Hafniaceae fam. nov., Morganellaceae fam. nov., and Budviciaceae fam. nov.”. International Journal of Systematic and Evolutionary Microbiology 66 (12): 5575-5599. doi:10.1099/ijsem.0.001485. PMID 27620848.
  2. 1 2 3 4 5 6 7 8 Aharon Oren and George M. Garrity (01 March 2017). “Notification that new names of prokaryotes, new combinations and new taxonomic opinions have appeared in volume 66, part 12, of the IJSEM”. International Journal of Systematic and Evolutionary Microbiology 67 (3): 525-528. doi:10.1099/ijsem.0.001834.
  3. ↑ E. Hormaeche1; P. R. Edwards (01 April 1960). “A Proposed Genus Enterobacter”. International Journal of Systematic and Evolutionary Microbiology: 71-74. doi:10.1099/0096266X-10-2-71.
  4. 1 2 V. B. D. Skerman; Vicki. McGOWAN; P. H. A. Sneath (01 January 1980). “Approved Lists of Bacterial Names”. International Journal of Systematic and Evolutionary Microbiology 30 (1): 225-420. doi:10.1099/00207713-30-1-225.
  5. ↑ Carrie Brady; Ilse Cleenwerck; Stephanus Venter; Teresa Coutinho; Paul De Vos. “Taxonomic evaluation of the genus Enterobacter based on multilocus sequence analysis (MLSA): proposal to reclassify E. nimipressuralis and E. amnigenus into Lelliottia gen. nov. as Lelliottia nimipressuralis comb. nov. and Lelliottia amnigena comb. nov., respectively, E. gergoviae and E. pyrinus into Pluralibacter gen. nov. as Pluralibacter gergoviae comb. nov. and Pluralibacter pyrinus comb. nov., respectively, E. cowanii, E. radicincitans, E. oryzae and E. arachidis into Kosakonia gen. nov. as Kosakonia cowanii comb. nov., Kosakonia radicincitans comb. nov., Kosakonia oryzae comb. nov. and Kosakonia arachidis comb. nov., respectively, and E. turicensis, E. helveticus and E. pulveris into Cronobacter as Cronobacter zurichensis nom. nov., Cronobacter helveticus comb. nov. and Cronobacter pulveris comb. nov., respectively, and emended description of the genera Enterobacter and Cronobacter”. Systematic and Applied Microbiology. doi:10.1016/j.syapm.2013.03.005. PMID 23632228.
  6. ↑ Aharon Oren; George M. Garrity (01 January 2014). “Notification of changes in taxonomic opinion previously published outside the IJSEM”. International Journal of Systematic and Evolutionary Microbiology: 8-10. doi:10.1099/ijs.0.060301-0.
  7. ↑ Garrity GM, Holt JG (2001). “The Road Map to the Manual”. In Boone DR, Castenholz RW, Garrity GM. Bergey's Manual of Systematic Bacteriology, second edition, vol. 1 (The Archaea and the deeply branching and phototrophic Bacteria). Springer-Verlag, New York. pp. 119-166
  8. ↑ Jean P. Euzéby, Aidan C. Parte. “Order Enterobacterales”. List of Prokaryotic names with Standing in Nomenclature. 2026年10月4日閲覧。
  9. 1 2 Rahn O (1937). “New Principles for the Classification of Bacteria”. Zentralblatt fur Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene. Abteilung II 96: 273-286.
  10. ↑ Maria Chuvochina, Aaron J Mussig, Pierre-Alain Chaumeil, Adam Skarshewski, Christian Rinke, Donovan H Parks, Philip Hugenholtz (21 July 2023). “Proposal of names for 329 higher rank taxa defined in the Genome Taxonomy Database under two prokaryotic codes”. FEMS Microbiology Letters 370: 370:fnad071. doi:10.1093/femsle/fnad071. PMC 10408702. PMID 37480240.
  11. ↑ Aharon Oren and George M. Garrity (01 February 2024). “Validation List no. 215. Valid publication of new names and new combinations effectively published outside the IJSEM”. International Journal of Systematic Bacteriology 74 (1): 6173. doi:10.1099/ijsem.0.006173.
  12. ↑ S. P. Lapage (01 July 1979). “Proposal of Enterobacteraceae nom. nov. as a Substitute for the Illegitimate but Conserved Name Enterobacteriaceae Rahn 1937: Request for an Opinion”. International Journal of Systematic and Evolutionary Microbiology: 265–266. doi:10.1099/00207713-29-3-265.
  13. ↑ S. P. LAPAGE (01 April 1982). “Proposal of Enterobacteraceae fam. nov., nom. rev. as a Substitute for the Family Name Enterobacteriaceae Rahn 1937”. International Journal of Systematic and Evolutionary Microbiology: 237-238. doi:10.1099/00207713-32-2-237.
  14. ↑ William H. Ewing, J. J. Farmer III and Don J. Brenner (01 October 1980). “Proposal of Enterobacteriaceae fam. nov., nom. rev. to Replace Enterobacteriaceae Rahn 1937, nom. fam. cons. (Opin. 15, Jud. Comm. 1958), Which Lost Standing in Nomenclature on 1 January 1980”. International Journal of Systematic and Evolutionary Microbiology: 674-675. doi:10.1099/00207713-30-4-674.
  15. ↑ M. GOODFELLOW and H. G. TRÜPER (01 July 1982). “Escherichiaceae nom. nov., a Name to Replace Enterobacteriaceae Request for an Opinion”. International Journal of Systematic and Evolutionary Microbiology: 383. doi:10.1099/00207713-32-3-383.
  16. ↑ Mi Li, Kai Liu, Yonghong Liu, Chenghai Gao & Xiangxi Yi (19 January 2021). “Bruguierivorax albus gen. nov. sp. nov. Isolated from Mangrove Sediment and Proposal of Bruguierivoracaceae fam. nov”. Current Microbiology: 856–866. doi:10.1007/s00284-020-02311-w. PMC 7864827. PMID 33464391.