Rubrobacter xylanophilus

Rubrobacter xylanophilus
Scientific classification
Domain:	Bacteria
Kingdom:	Bacillati
Phylum:	Actinomycetota
Class:	Rubrobacteria
Order:	Rubrobacterales
Family:	Rubrobacteraceae
Genus:	Rubrobacter
Species:	R. xylanophilus
Binomial name
Rubrobacter xylanophilus Carreto et al. 1996

Rubrobacter xylanophilus is a thermophilic species of bacteria. It is slightly halotolerant, short rod- and coccus-shaped and gram-positive, with type strain PRD-1^T. It is the only known true radiation resistant thermophile. It can degrade xylan and hemicellulose. ^[1] The first strain of the genus Rubrobacter was isolated from gamma-irradiated hot spring water samples by Yoshinaka. This organism was found to be extremely gamma-radiation resistant, with a higher shoulder dose than the canonical radiation resistant species of the genus Deinococcus. The organism stained Gram-positive and was slightly thermophilic with an optimum growth temperature of about 60 °C. ^[2] .Genome sequencing of Rubrobacter xylanophilus has revealed numerous genes involved in DNA repair and oxidative stress protection, which are thought to contribute to its extreme resistance to radiation. ^[3] The species produces a thermostable D-amino acid oxidase that remains active at 65 °C. ^[4]

References

1. Carreto, L.; Moore, E.; Nobre, M. F.; Wait, R.; Riley, P. W.; Sharp, R. J.; Da Costa, M. S. (1996). "Rubrobacter xylanophilus sp. nov., a New Thermophilic Species Isolated from a Thermally Polluted Effluent". International Journal of Systematic Bacteriology. 46 (2): 460–465. doi: 10.1099/00207713-46-2-460 . ISSN   0020-7713.
2. Home - Rubrobacter xylanophilus DSM 9941. (n.d.). Retrieved May 02, 2017, from http://genome.jgi.doe.gov/rubxy/rubxy.home.html
4. Takahashi, Ryo (2014). "A Highly Stable D-Amino Acid Oxidase of the Thermophilic Bacterium Rubrobacter xylanophilus". Applied and Environmental Microbiology. 80 (23): 7219–7227. doi:10.1128/AEM.02193-14. PMC   4249180 .

Further reading

• Empadinhas, Nuno; Mendes, Vítor; Simões, Catarina; Santos, Maria S.; Mingote, Ana; Lamosa, Pedro; Santos, Helena; Costa, Milton S. da (2007). "Organic solutes in Rubrobacter xylanophilus: the first example of di-myo-inositol-phosphate in a thermophile" (PDF). Extremophiles. 11 (5): 667–673. doi:10.1007/s00792-007-0084-z. hdl: 10316/7827 . ISSN   1431-0651. PMID   17510735. S2CID   19493249.
• Empadinhas, Nuno; Pereira, Pedro José Barbosa; Albuquerque, Luciana; Costa, Joana; Sá-Moura, Bebiana; Marques, Alexandra T.; Macedo-Ribeiro, Sandra; da Costa, Milton S. (2011). "Functional and structural characterization of a novel mannosyl-3-phosphoglycerate synthase from Rubrobacter xylanophilus reveals its dual substrate specificity". Molecular Microbiology. 79 (1): 76–93. doi: 10.1111/j.1365-2958.2010.07432.x . ISSN   0950-382X. PMID   21166895.
• Nobre, A.; Alarico, S.; Fernandes, C.; Empadinhas, N.; da Costa, M. S. (2008). "A Unique Combination of Genetic Systems for the Synthesis of Trehalose in Rubrobacter xylanophilus: Properties of a Rare Actinobacterial TreT". Journal of Bacteriology. 190 (24): 7939–7946. doi:10.1128/JB.01055-08. ISSN   0021-9193. PMC   2593226 . PMID   18835983.
• A Trincone (30 September 2013). Marine Enzymes for Biocatalysis: Sources, Biocatalytic Characteristics and Bioprocesses of Marine Enzymes. Elsevier Science. pp. 479–. ISBN   978-1-908818-35-5.
• Ferreira, A. C.; Nobre, M. F.; Moore, E.; Rainey, F. A.; Battista, J. R.; da Costa, M.S. (1999). "Characterization and radiation resistance of new isolates of Rubrobacter radiotolerans and Rubrobacter xylanophilus". Extremophiles. 3 (4): 235–238. doi:10.1007/s007920050121. ISSN   1431-0651. PMID   10591012. S2CID   539861.

External links

• Type strain of Rubrobacter xylanophilus at BacDive - the Bacterial Diversity Metadatabase