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Caenimonas koreensis gen. nov., sp nov., isolated from activated sludge

Authors
Ryu, Seung HyunLee, Dae SungPark, MinjeongWang, QianJang, Ho HeePark, WoojunJeon, Che Ok
Issue Date
May-2008
Publisher
SOC GENERAL MICROBIOLOGY
Citation
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY, v.58, pp 1064 - 1068
Pages
5
Indexed
SCIE
SCOPUS
Journal Title
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
Volume
58
Start Page
1064
End Page
1068
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/123689
DOI
10.1099/ijs.0.65416-0
ISSN
1466-5026
1466-5034
Abstract
A Gram-negative, rod-shaped bacterium, designated strain EMB320(T), was isolated from activated sludge performing enhanced biological phosphorus removal in a sequencing batch reactor. The isolate was strictly aerobic and non-motile. Growth was observed between 10 and 35 degrees C (optimum 30 degrees C) and between pH 6.0 and 9.0 (optimum pH 7.0-8.0). The predominant cellular fatty acids of strain EMB320T were C(16:0), C(18:1)omega 7c and summed feature 3 (C(16:1)omega 7c and/or iso-C(15:0) 2-OH). The major polar lipids were phosphatidylethanolamine, phosphatidylglycerol and diphosphatidylglycerol. Strain EMB320T contained ubiquinone-8 (Q-8) as the major respiratory quinone system and 2-hydroxyputrescine and putrescine as the major polyamines, which suggests that it belongs to the Betaproteobacteria. The G + C content of the genomic DNA was 62.7 mol%. Comparative 16S rRNA gene sequence analysis showed that strain EMB320(T) formed a phyletic lineage distinct from other genera within the family Comamonadaceae. On the basis of chemotaxonomic data and molecular properties, strain EMB320(T) represents a novel genus and species within the family Comamonadaceae, for which the name Caenimonas koreensis sp. nov. is proposed. The type strain of Caenimonas koreensis is EMB320T (=KCTC 12616(T) =DSM 17982(T)).
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