title: [Ultramicrobacteria: Formation of the concept and contribution of ultramicrobacteria to biology].
authors.forename: V I
authors.initials: VI
authors.lastname: Duda
authors.forename: N E
authors.initials: NE
authors.lastname: Suzina
authors.forename: V N
authors.initials: VN
authors.lastname: Polivtseva
authors.forename: A M
authors.initials: AM
authors.lastname: Boronin
mesh_terms: D001105:Archaea / Q000145:classification* / Q000302:isolation & purification; D001419:Bacteria / Q000145:classification* / Q000302:isolation & purification; D005075:Biological Evolution; D048429:Cell Size; D006801:Humans; D007422:Intestines / Q000382:microbiology; D012988:Soil Microbiology; D014871:Water Microbiology