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Detection of the Efficacy of some Transport, Isolation and Culture Media for Oral Treponema Isolated from Periodontitis | ||
| Rafidain Journal of Science | ||
| Article 5, Volume 22, Issue 4, 2011, Pages 49-67 PDF (0 K) | ||
| DOI: 10.33899/rjs.2011.31499 | ||
| Authors | ||
| Amera M. Al-Rawi; Summaya A. Muhammad | ||
| Abstract | ||
| The ability of three types of transport media (Tris-HCl— EDTA fluid , Normal saline and Reduced transport media) to transfer oral treponema samples was investigated , in addition to the capability of relying five types of nutritional media (New oral spirochetes, Supplumented pleupneumolike organism, Thioglycolate medium, Pepton- yeast extract- glucose, and Trypton- yeast extract- glucose- volatile fatty acid-serum medium) and two types of solidified culture media (Thioglycolate-BHI agar and Trypton- yeast extract- glucose- volatile fatty acid-serum agar) for the primary isolation and subculturing of these organisms reaching the most necessary supplements required to support the growth of these organisms. The efficacy of the three types of transport media in transport and maintenance of the vaibilty of these organisms was shown, also the efficacy of primary isolation and subculturing media to support the organisms' growth was proved after supplementing these media with the necessary growth elements. Hence it was possible to provide the optimal anaerobic conditions for the growth by the addition of reducing agents (Sodium thioglycolate and L-cystein) to the culture media and incubation in anaerobic jar, furthermore, introducing the necessary elements of long chain fatty acid by the addition of isobutyric acid and serum, and we confirm the ability of three types of serum (Rabbit serum, Fetal calf serum and Fetal bovin serum) to support the culture media. We had showing possibility of depending upon the selection isolation method by the addition the antibiotic rifampicin. Moreover, it was observed two forms of growth of these organisms: the turbidity after two days of inocubation and the sediment form with the shot silk after four days of incubation, and the variation in colonies form on the solid media was also clear. | ||
| Keywords | ||
| Cultivation of oral Treponema; Nutritional requirements of oral Treponema | ||
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