A new methanogen “Methanobrevibacter massiliense” isolated in a case of severe periodontitis

Abstract

Abstract Background A few methanogens have been previously recovered from periodontitis lesions, yet their repertoire may not be completed. We recovered a previously unreported methanogen species in this situation. Case presentation A 64-year-old Caucasian woman was diagnosed with chronic, severe generalized periodontitis. In the presence of negative controls, an 18-month culture of periodontal pockets in anaerobe Hungate tube yielded “Methanobrevibacter massiliense” and Pyramidobacter piscolens. Conclusions This case report provides evidence of the symbiotic strategy deployed by the methanogens and the anaerobes, and reports the first culture of a new methanogen, “M. massiliense”.

Keywords

• “Methanobrevibacter massiliense”
• Pyramidobacter piscolens
• Periodontitis
• Methanogen
• Archaea