High impact information on Methanospirillum

• The hydrogenase and formate dehydrogenase levels in Syntrophobacter fumaroxidans and Methanospirillum hungatei were studied in syntrophic propionate-oxidizing cultures and compared to the levels in axenic cultures of both organisms [1].
• Pathway of propionate oxidation by a syntrophic culture of Smithella propionica and Methanospirillum hungatei [2].
• Cocultures of "S. aciditrophicus" and Methanospirillum hungatei readily metabolized cyclohexane carboxylate and cyclohex-1-ene carboxylate at a rate slightly faster than the rate of benzoate metabolism [3].
• Counting experiments on lactate and ethanol which included Methanospirillum hungatei in the medium gave MPNs of 2.3 x 10(6) to 7.5 x 10(8) cells per g of dry soil and led to the isolation of Sporomusa spp [4].
• The previously described propionate-degrading syntrophs of the genus Syntrophobacter also grow in co-culture with methanogens such as Methanospirillum hungateii, forming acetate, CO2 and methane from propionate [5].

Anatomical context of Methanospirillum

• Spheroplasts of Methanospirillum hungatii formed upon treatment with dithiothreitol [6].

Associations of Methanospirillum with chemical compounds

• Formate inhibition was also observed in Methanospirillum hungatei [7].
• Similar stimulation of CO2 reduction by CH3-S-CoM was found for cell extracts of Methanobacterium bryantii and Methanospirillum hungatei [8].
• Characterization of novel, phenol-soluble polypeptides which confer rigidity to the sheath of Methanospirillum hungatei GP1 [9].
• Strain PA-1 (S. Barik, W.J. Brulla, and M.P. Bryant, Appl. Environ. Microbiol. 50:304-310, 1985) is an anaerobic, gram-negative rod that in pure culture decarboxylates succinate to propionate and that grows syntrophically as an acetogen with the H2 utilizer Methanospirillum hungatei if glucose, pyruvate, aspartate, or fumarate is provided [10].
• With the exception of Methanospirillum hungatei liposomes, all size distributions of the different liposome populations were fairly homogeneous [11].

Gene context of Methanospirillum

• Both strain DMB and Methanospirillum hungatei utilized formate as a source of carbon and energy [12].
• Dissolution and immunochemical analysis of the sheath of the archaeobacterium Methanospirillum hungatei GP1 [13].
• Similar results were obtained when the non-methanogen was cocultured with Methanospirillum hungatti GP1 [14].

Analytical, diagnostic and therapeutic context of Methanospirillum

• Propionate consumption was studied in syntrophic batch and chemostat cocultures of Syntrophobacter fumaroxidans and Methanospirillum hungatei [15].

References