Dyadobacter

Dyadobacter is a genus of gram negative rod-shaped bacteria belonging to the family Cytophagaceae in the phylum Bacteroidetes. Typical traits of the genus include yellow colony colour, positive flexirubin test and non-motile behaviours. They possess an anaerobic metabolism (oxidase positive), can utilise a broad range of carbon sources, and test positive for peroxide catalase activity. The type species is Dyadobacter fermentans, which was isolated from surface sterilised maize leaves, (apparently named after its ability to ferment glucose and fructose).[2]

Dyadobacter
Scientific classification
Kingdom:
Bacteria
Phylum:
Bacteroidetes
Class:
Sphingobacteria
Order:
Sphingobacteriales
Family:
Cytophagaceae
Genus:
Dyadobacter
Type species
Dyadobacter fermentans[1]
Species

D. alkalitolerans[1]
D. arcticus[1]
D. beijingensis[1]
D. crusticola[1]
D. endophyticus
D. fermentans[1]
D. ginsengisoli[1]
D. hamtensis[1]
D. jejuensis[1]
D. koreensis[1]
D. psychrophilus[1]
D. sediminis[1]
D. soli[1]
D. tibetensis[1]

Species of Dyadobacter have been isolated from a diverse range of environments worldwide, including glacial ice, seawater and factories, however a large number of the currently described species belonging to the genus Dyadobacter have been isolated from soil communities.[3][4][5][6] Several studies observing the microbiome associated with plants have identified Dyadobacter species. These studies have recognized Dyadobacter strains from microbiomes of corn, potato, canola, wheat and Arabidopsis thaliana.[7][8][9] In some cases, Dyadobacter isolates have been shown to be one of the major cohorts of bacteria on plant phyllospheres.[10][11] It is currently unknown what role Dyadobacter species play in these plant-associated communities.

Several species of Dyadobacter have been identified as potentially useful in bioremediation. Dyadobacter beijingensis was identified in a hydrocarbonoclastic community of bacteria remediating soil contaminated with crude oil,[12] and Strains of D. fermentans have been observed degrading 7,8-Benzoquinoline, an azaarene with mutagenic properties.[13]

References
  1. Parte, A.C. "Dyadobacter". LPSN.
  2. Chelius, M. K. and E. W. Triplett (2000). "Dyadobacter fermentans gen. nov., sp. nov., a novel gram-negative bacterium isolated from surface-sterilized Zea mays stems." Int J Syst Evol Microbiol 50 Pt 2: 751-758
  3. Shen, L., et al. (2013). "Dyadobactertibetensis sp. nov., isolated from glacial ice core." Int J Syst Evol Microbiol 63(10): 3636-3639
  4. Chun, J., et al. (2013). "Dyadobacter jejuensis sp. nov., isolated from seawater." Int J Syst Evol Microbiol 63(5): 1788-1792
  5. Wang, L., et al. (2015). "Dyadobacter jiangsuensis sp. nov., a methyl red degrading bacterium isolated from a dye-manufacturing factory." Int J Syst Evol Microbiol 65(4): 1138-1143
  6. Liu, Q. M., et al. (2006). "Dyadobacter ginsengisoli sp. nov., isolated from soil of a ginseng field." Int J Syst Evol Microbiol 56(Pt 8): 1939-1944
  7. Manter, D. K., et al. (2010). "Pyrosequencing Reveals a Highly Diverse and Cultivar-Specific Bacterial Endophyte Community in Potato Roots." Microbial Ecology 60(1): 157-166
  8. Zhang, J., et al. (2012). "Isolation and characterization of plant growth-promoting rhizobacteria from wheat roots by wheat germ agglutinin labeled with fluorescein isothiocyanate." The Journal of Microbiology 50(2): 191-198
  9. Haichar, F. e. Z., et al. (2008). "Plant host habitat and root exudates shape soil bacterial community structure." ISME J 2(12): 1221-1230
  10. Reisberg, E. E., et al. (2012). "Phyllosphere bacterial communities of trichome-bearing and trichomeless Arabidopsis thaliana leaves." Antonie Van Leeuwenhoek 101(3): 551-560
  11. Delmotte, N., et al. (2009). "Community proteogenomics reveals insights into the physiology of phyllosphere bacteria." Proc Natl Acad Sci U S A 106(38): 16428-16433
  12. Ali, N., et al. (2016). "Autochthonous bioaugmentation with environmental samples rich in hydrocarbonoclastic bacteria for bench-scale bioremediation of oily seawater and desert soil." Environmental Science and Pollution Research 23(9): 8686-8698
  13. Willumsen, P. A., et al. (2005). "Isolation and taxonomic affiliation of N-heterocyclic aromatic hydrocarbon-transforming bacteria." Applied Microbiology and Biotechnology 67(3): 420-428
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