Journal of Microbiology

Mycolic Acid-Containing Actinomycetes Associated with Activated Sludge Foam: Seong, Chi Nam , Kim, Young Sook , Baik, Keun Shik , Lee, Soon Dong , Hah, Yung Chil , Kim, Seung Bum , Goodfellow, Michael; J. Microbiol. 1999;37(2):66-72.

Abstract: Mycolic acid-containing actinomycetes associated with extensive foaming in the aeration basin of the activated sludge process were isolated and analyzed by phenotypical, chemotaxonomical and phylogenetic methods. Whole cell sugar patterns of two isolates were pattern A. The nearly complete sequences of the 16S rRNA genes (rDNAs) of the isolates were determined and compared by using several tree-making algorithms. With polyphasic methods, strain SCNU1 was identified as Gordona sputi, and strain SCNU5 assigned to the genus Tsukamurella. The presence of opportunistic pathogens of chronic lung infections within foams can cause public health problems and render waste-treatment processes inefficient.

Tsukamurella sunchonensis sp. nov., a Bacterium Associated with Foam in Activated Sludge: Chi Nam Seong , Young Sook Kim , Keun Shik Baik , Sang Ki Choi , Min Bae Kim; J. Microbiol. 2003;41(2):83-88.

Abstract: aeration basin of an activated sludge process, was clarified by phenotypic, chemotaxonomic and phylogenetic analyses. The strain possesses wall chemotype IV, MK-9(H_0 ), as the major menaquinone, and contains saturated, monounsaturated and 10-methyl branched fatty acids. The G+C content of its DNA is 68.1 mol%. Phenotypic data and DNA relatedness to known species indicate that the strain SCNU5^T represents a new species within the genus Tsukamurella, for which we propose the name Tsukamurella sunchonensis sp. nov. The type strain of T. sunchonensis is SCNU5^T (=KCTC 9827^T ).

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