Clostridium xylanolyticum Rogers and Baecker emend. Chamkha et al.
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2. Under anaerobic conditions, withdraw 0.5 ml of #1766 from a single test tube (5 to 6 ml) and rehydrate the vial contents.
3. Aseptically transfer this aliquot back into the broth tube. Additional tubes may be inoculated with 0.5 ml each from the suspension. A slant of #1766 may also be inoculated with 0.2 ml. Streak several blood plates to check for colonial morphology and purity.
4. Incubate tubes under an anaerobic atmosphere at 37oC. Incubate one agar plate anaerobically for colony formation, and one aerobically for aerobic contamination check.
Anaerobic conditions for transfer may be obtained by either of the following:
· Use of an anaerobic gas chamber, or
· Placement of test tubes under a gassing cannula system hooked to anaerobic gas.
Anaerobic conditions for incubation may be obtained by any of the following:
· Loose screw caps on test tubes in anaerobic chamber,
· Loose screw caps on test tubes in an activated anaerobic gas pack jar, or
· Use of sterile butyl rubber stoppers on test tubes so that an anaerobic gas headspace is retained.
Within 24-48 hours, growth should be evident by turbidity and gas in the broth. Colonies on anaerobic plates are raised and opaque, with spreading edges. No growth should occur on agar plates incubated aerobically.
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Rogers GM, Baecker AA. Clostridium xylanolyticum sp. nov., an anaerobic xylanolytic bacterium from decayed Pinus patula wood chips. Int. J. Syst. Bacteriol. 41: 140-143, 1991.
Chamkha M, et al. Metabolism of cinnamic acids by some Clostridiales and emendation of the descriptions of Clostridium aerotolerans, Clostridium celerecrescens and Clostridium xylanolyticum. Int. J. Syst. Evol. Microbiol. 51: 2105-2111, 2001. PubMed: 11760953
decayed Pinus patula chips, Richards Bay