- International Journal of Systematic and Evolutionary Microbiology
- Volume 34, Issue 2
f Protomonas, a New Genus of Facultatively Methylotrophic Bacteria
- Authors: Teizi Urakami†, Kazuo Komagata*
- * Corresponding author.
- Int J Syst Evol Microbiol, April 1984 34: 188-201, doi: 10.1099/00207713-34-2-188
- Subject: Original Papers Relating To Systematic Bacteriology
- Published Online:
A new genus and species of facultatively methylotrophic bacteria are described. These bacteria are polarly flagellated, gram-negative, nonsporeforming, rod-shaped organisms that occur singly and in pairs. Carotenoid pigment and bacteriochlorophyll are formed in the cells. The deoxyribonucleic acid base composition is 65 to 67 mol% guanine plus cytosine. The cellular fatty acids consist of a large amount of straight-chain unsaturated C18:1 acid and small amounts of straight-chain saturated C16:1 acid, C19:0 cyclopropane acid, and 3-OH-C14:0 hydroxy acid. The major ubiquinone is Q-10. Ubiquinones Q-8, Q-9, and Q-11 are present as minor components. A new genus, Protomonas, is proposed to include this group of methylotropic bacteria. The type species of the genus Protomonas is Protomonas extorquens comb. nov., with type strain TK 0001 (=DSM 1337 = NCIB 9399).
Present address: Niigata Research Laboratory, Mistubishi Gas Chemical Co., Inc., Niigata 950-31, Japan.
© 1984 International Union of Microbiological Societies | Published by the International Union of Microbiological Societies
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