Actinotalea caeni

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Actinotalea caeni
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Bacteria
Kingdom: Bacillati
Phylum: Actinomycetota
Class: Actinomycetes
Order: Micrococcales
Family: Cellulomonadaceae
Genus: Actinotalea
Species:
A. caeni
Binomial name
Actinotalea caeni
Jin et al. 2017 [1]
Type strain
EBR-4-2 [2]
JCM 30447
KCTC 33604

Actinotalea caeni is a Gram-positive, rod-shaped, non-spore-forming and non-motile bacterium from the genus Actinotalea . It was first isolated from sludge in a biofilm reactor used for toxic wastewater treatment in South Korea. [1]

Contents

Description

Cells of A. caeni are aerobic, Gram-stain-positive rods that form circular colonies. [3] The organism is non-motile and does not form spores. [1]

The major fatty acids are C15:0 anteiso, C16:0, C16:0 N alcohol, C15:1 anteiso A, and C15:0 iso. [1] The major cellular polar lipids are diphosphatidylglycerol, phosphatidylinositol mannoside, phosphatidylinositol, and glycolipid. [1] The peptidoglycan type is A4β containing l-ornithine and d-glutamic acid. [1] The whole-cell-wall sugars are glucose and ribose. [1] The respiratory quinone is menaquinone MK-10(H4), and the genomic DNA G+C content is 74.8 mol%. [1]

Phylogeny

16S rRNA gene sequence analysis places A. caeni within the Actinomycetota and shows highest similarity to Pseudactinotalea suaedae (98.7%), Actinotalea ferrariae (96.3%), and Actinotalea fermentans (96.2%). [1] A 2022 phylogenomic study based on 187 Actinomycetota genomes proposed reclassifying A. caeni as "Pseudactinotalea caeni" comb. nov. and transferring it to the family Ruaniaceae, though this combination has not been validly published. [4]

References

  1. 1 2 3 4 5 6 7 8 9 Jin, L; Ko, SR; Lee, CS; Ahn, CY; Lee, JS; Lee, KC; Oh, HM; Lee, HG (May 2017). "Actinotalea caeni sp. nov., isolated from a sludge sample of a biofilm reactor". International Journal of Systematic and Evolutionary Microbiology. 67 (5): 1595–1599. doi: 10.1099/ijsem.0.001769 . PMID   28036250.
  2. ↑ Parte, A.C. "Actinotalea". LPSN .
  3. ↑ "Actinotalea caeni EBR-4-2". BacDive . Retrieved 28 January 2026.
  4. ↑ Semenova, EM; Grouzdev, DS; Sokolova, DS; Tourova, TP; Poltaraus, AB; Potekhina, NV; Shishina, PN; Bolshakova, MA; Avtukh, AN; Ianutsevich, EA; Tereshina, VM; Nazina, TN (6 February 2022). "Physiological and Genomic Characterization of Actinotalea subterranea sp. nov. from Oil-Degrading Methanogenic Enrichment and Reclassification of the Family Actinotaleaceae". Microorganisms. 10 (2): 378. doi: 10.3390/microorganisms10020378 . PMC   8878594 . PMID   35208832.
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