Myroides pelagicus: Difference between revisions

From MicrobeWiki, the student-edited microbiology resource
Line 35: Line 35:


==Current Research==
==Current Research==
describe one or two topics of research on this microbe


In a recent study on probiotics and their effects on inflammatory bowel disease, a strain of probiotics was obtained from the gut of the Drosophilia melanogaster (a species of fly) and tested. The test was to see if the probiotic would help the disease in anyway. Many bacterial isolates were found: PTH 2, PTH 4 and PTH 7. PTH 7 was tested further because it had the best results with antimicrobial potential, intestinal juice tolerance and hydrophobic property. According to 16S rDNA study, PTH 7 turned out to be <i>Myroides pelagicus.</i>
In conlusion, <i>Myroides pelagicus</i> was tested on colitic animals and was successful with reducing the proinflammatory cytokine expression. Further tests will be needed to completely prove it could be used as a drug to manage colitis.


==References==  
==References==  

Revision as of 23:44, 12 March 2014

This student page has not been curated.

Classification

Higher order taxa

Domain: Bacteria, Phylum: Bacteroidetes, Class: Flavobacteria, Order: Flavobacteriales, Family: Flavobacterium odoratum, Genus: Myroides, Species: pelagicus

Species

Myroides pelagicus

Strain

The strain is SM1-T (=IAM 15337-T=KCTC 12661-T)

Description / Growth

Myroides pelagicus is an aerobic bacterium, meaning that it grows and thrives in oxygenated environments. The pigment of Myroides pelagicus is a yellowish orange color and grows in circular colonies on an agar. It is a gram-negative bacillus bacterium. They are described as short single rods and they are pink when stained under a microscope. Myroides pelagicus is lacks flagella, and it is non-motile because there is no bacterium moving or swarming around.

Myroides pelagicus size is 0.5-1 µm in diameter and 0.2-0.3 µm wide. Myroides pelagicus grows best when the temperature is from 10-37 °C. There is an absence of growth at 4 or 45 °C. Myroides pelagicus can handle up to 9.0% NaCl, while other species can only handle 5-6% NaCl. The range of pH for growth is 5.0-9.0. The DNA G+C content was 33.6mol%.

Location / Habitat

Myroides pelagicus was found and isolated from the seawater off the coast of Thailand for a polyphasic taxonomic study.

Metabolism

The major cellular fatty acids are C15:0iso, C17:1ω9c iso and C17:0iso 3-OH.

Current Research

In a recent study on probiotics and their effects on inflammatory bowel disease, a strain of probiotics was obtained from the gut of the Drosophilia melanogaster (a species of fly) and tested. The test was to see if the probiotic would help the disease in anyway. Many bacterial isolates were found: PTH 2, PTH 4 and PTH 7. PTH 7 was tested further because it had the best results with antimicrobial potential, intestinal juice tolerance and hydrophobic property. According to 16S rDNA study, PTH 7 turned out to be Myroides pelagicus. In conlusion, Myroides pelagicus was tested on colitic animals and was successful with reducing the proinflammatory cytokine expression. Further tests will be needed to completely prove it could be used as a drug to manage colitis.

References

Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D., eds (2011). Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist. Digital resource at www.catalogueoflife.org/annual-checklist/2011/. Species 2000: Reading, UK. Retrieved from web March 12, 2014

Hairul Islam V.I., Saravanan S., Preetam Raj JP., Gabriel Paulraj M., Ignacimuthu S. "Myroides pelagicus from the Gut of Drosophila melanogaster Attenuates Inflammation on Dextran Sodium Sulfate-Induced Colitis." Springer Science+Business Media New York 2014. Retrieved from web March 12, 2014

Vancanneyt M., Segers U., Torck U., Hoste B., Bernardet J.F., Vandamme P., and Kersters K. "Reclassification of Flavobacterium odoraturn (Stutzer 1929)Strains to a New Genus, Myroides, as Myroides odoratus comb. nov. and Myroides odoratimimus sp. nov." International Journal of Systematic Bacteriology." Oct 1996. Volume 46, No 4. p. 926-932. Retrieved from web March 12, 2014 <http://ijs.sgmjournals.org/content/46/4/926.full.pdf?origin=publication_detail>

Yoon J., Maneerat S., Kawai F. and Yokota A. "Myroides pelagicus sp. nov., isolated from seawater in Thailand". International Journal of Systematic and Evolutionary Microbiology. August 2006. Retrieved from web March 12, 2014 < http://ijs.sgmjournals.org/content/56/8/1917.full?sid=11681336-3840-4571-a3b8-5ffdba51ae5f >



Edited by (Bailey Nunan), student of Rachel Larsen at the University of Southern Maine