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Flavobacteriales

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Flavobacteriales ( allemand )

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Die Flavobacteriales bilden eine Ordnung innerhalb der Abteilung der Bacteroidetes. Sie ist die einzige Ordnung der Klasse Flavobacteriia.

Erscheinungsbild

Der Gram-Test ist negativ. Die Zellen sind stäbchenförmig, einige Arten bilden Filamente aus mehreren Zellen. Zu letzteren zählt z. B. die zu den Cryomorphaceae gestellte Art Fluviicola taffensis. Sporen werden nicht gebildet. Arten der Familien Cryomorphaceae und Flavobacteriaceae sind aerob oder fakultativ anaerob, Flagellen sind nicht vorhanden. Einige Arten können sich gleitend fortbewegen ("gliding motility"). Die Art Blattabacterium cuenoti bildet eine Symbiose mit Schaben und der Termitenart Mastotermes darwiniensis. Blattabacterium cuenoti wurde ausschließlich innerhalb dieser Insekten gefunden und ist lebensnotwendig für die Insekten.[1]

Stoffwechsel

Alle Arten sind chemo-organotroph, der Stoffwechsel ist entweder die Atmung oder, wie bei einigen Arten der Flavobacteriaceae, die Gärung.

Systematik

Zur Ordnung Flavobacteriales zählen folgende Familien: [2]

Einzelnachweise

  1. ↑ G. A. Dasch, E. Weiss, K. P. Chang: Symbionts of insects. In: Bergey’s Manual of Systematic Bacteriology. Band 1. Springer, New York 1984, ISBN 978-0-683-04108-8, S. 811–833.
  2. ↑ J. P. Euzéby: List of Prokaryotic Names with Standing in Nomenclature - Flavobacteriales (Stand: 1. Januar 2019)
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Flavobacteriales: Brief Summary ( allemand )

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Die Flavobacteriales bilden eine Ordnung innerhalb der Abteilung der Bacteroidetes. Sie ist die einzige Ordnung der Klasse Flavobacteriia.

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Flavobacteriales ( anglais )

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The order Flavobacteriales comprises several families of environmental bacteria.[3]

Comparative genomics and molecular signatures

Flavobacteriales is of one of the orders from the phylum Bacteroidota.[2] Comparative genomic studies have identified several conserved indels, as well as 27 proteins that are uniquely shared by different sequenced Flavobacteriales and Bacteroidota species supporting this inference.[4][5] Additionally, these studies have also identified 38 proteins that seem to be specific for the species from the order Flavobacteriales.[5] Of these proteins, 26 were present in all sequenced species, while the remaining 12 were missing in only one or two species. These signature proteins provide potential molecular markers for this order. Several proteins have also been identified which are unique to the Flavobacteriales and Bacteroidales orders, indicating the species from these two orders shared a common ancestor exclusive of other Bacteroidota.[5]

Phylogeny

The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature.[2]

Notes

  1. ^ Blattabacteriaceae is not included in this phylogenetic tree.

See also

References

  1. ^ Bernardet J-F. (2010). "Order I. Flavobacteriales ord. nov.". In Krieg NR, Staley JT, Brown DR, Hedlund BP, Paster BJ, Ward NL, Ludwig W, Whitman WB (eds.). Bergey's Manual of Systematic Bacteriology. Vol. 4 (2nd ed.). New York, NY: Springer. p. 105.
  2. ^ a b c Euzéby JP, Parte AC. "Flavobacteriales". List of Prokaryotic names with Standing in Nomenclature (LPSN). Retrieved June 29, 2021.
  3. ^ Boone DR, Castenholz RW, eds. (2001). Bergey's Manual of Systematic Bacteriology. Vol. 1 (The Archaea and the deeply branching and phototrophic Bacteria) (2nd ed.). New York, NY: Springer-Verlag. pp. 465–466.
  4. ^ Gupta RS. (2004). "The phylogeny and signature sequences characteristics of Fibrobacteres, Chlorobi, and Bacteroidetes". Critical Reviews in Microbiology. 30 (2): 123–140. doi:10.1080/10408410490435133. PMID 15239383. S2CID 24565648.
  5. ^ a b c Gupta RS, Lorenzini, E. (2007). "Phylogeny and molecular signatures (conserved proteins and indels) that are specific for the Bacteroidetes and Chlorobi species". BMC Evolutionary Biology. 7: 71. doi:10.1186/1471-2148-7-71. PMC 1887533. PMID 17488508.
  6. ^ García-López M, Meier-Kolthoff JP, Tindall BJ, Gronow S, Woyke T, Kyrpides NC, Hahnke RL, Göker M (2019). "Analysis of 1,000 Type-Strain Genomes Improves Taxonomic Classification of Bacteroidetes". Front Microbiol. 10: 2083. doi:10.3389/fmicb.2019.02083. PMC 6767994. PMID 31608019.
  7. ^ "The LTP". Retrieved 23 February 2021.
  8. ^ "LTP_all tree in newick format". Retrieved 23 February 2021.
  9. ^ "LTP_12_2021 Release Notes" (PDF). Retrieved 23 February 2021.
  10. ^ "GTDB release 07-RS207". Genome Taxonomy Database. Retrieved 20 June 2022.
  11. ^ "ar53_r207.sp_label". Genome Taxonomy Database. Retrieved 20 June 2022.
  12. ^ "Taxon History". Genome Taxonomy Database. Retrieved 20 June 2022.
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Flavobacteriales: Brief Summary ( anglais )

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The order Flavobacteriales comprises several families of environmental bacteria.

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플라보박테리움목 ( coréen )

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플라보박테리움목(Flavobacteriales)은 3개 과로 이루어진 세균 목의 하나이다.[1][2] 의간균문에 속하는 플라보박테리움강(Flavobacteria)의 유일한 세균 목이다.[1]

하위 분류

  • Blattabacteriaceae Kambhampati, 2012
  • Crocinitomicaceae Munoz et al. 2016
  • Cryomorphaceae Bowman et al. 2003
  • 플라보박테리움과 (Flavobacteriaceae) Reichenbach 1992
  • Ichthyobacteriaceae Takano et al. 2016
  • Schleiferiaceae Albuquerque et al. 2011
  • Weeksellaceae García-López et al. 2020

각주

  1. ↑ 가 나 Order Flavobacteriales, 원핵생물명 목록(List of Prokaryotic names with Standing in Nomenclature, LPSN)
  2. ↑ Bergey's Manual of Systematic Bacteriology, 2nd ed., vol. 1 (The Archaea and the deeply branching and phototrophic Bacteria) (D.R. Boone and R.W. Castenholz, eds.), Springer-Verlag, New York (2001). pp. 465-466.
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