Journal article

MICROTHRIX PARVICELLA IS A NOVEL, DEEP BRANCHING MEMBER OF THE ACTINOMYCETES SUBPHYLUM

LL BLACKALL, EM SEVIOUR, MA CUNNINGHAM, RJ SEVIOUR, P HUGENHOLTZ

SYSTEMATIC AND APPLIED MICROBIOLOGY | GUSTAV FISCHER VERLAG | Published : 1995

Abstract

We have isolated the Gram-positive, straight filamentous bacterium “Microthrix parvicella” from an activated sludge sewage treatment plant in Australia by using micromanipulation techniques. The 16S rDNA was amplified directly from cell biomass by the polymerase chain reaction and sequenced. This data has allowed us to phylogenetically place M. parvicella as a deep branching member of the actinomycetes subphylum. It is most closely related to the iron-oxidising strain TH3, members of the order Actinomycetales and to the genus Atopobium. Further phenotypic data for “M. parvicella” are required for the valid naming of this organism. © 1994, Gustav Fischer Verlag, Stuttgart · Jena · New York. A..

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