Flavobacterium croceum sp. nov., isolated from activated sludge

Minjeong Park, Shipeng Lu, Seung Hyun Ryu, Bok Sil Chung, Woojun Park, Chang J. Kim, Che O. Jeon

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

A Gram-negative, non-motile, rod-shaped bacterium, designated strain EMB47T, was isolated from activated sludge performing enhanced biological phosphorus removal in a sequencing batch reactor. Growth was observed between 10 and 40 °C (optimum, 25-35 °C) and between pH 5.0 and 8.5 (optimum, pH 7.5-8.0). The predominant fatty acids of strain EMB47T were iso-C16:0 3-OH, iso-C15:1 G, C15:0, iso-C15:0, iso-C14:0 and iso-C16:0 and it contained phosphatidylethanolamine, diphosphatidylglycerol and phosphatidylcholine as polar lipids. The G+C content of the genomic DNA was 40.8 mol% and the major quinone was MK-6. Comparative 16S rRNA gene sequence analyses showed that strain EMB47T formed a distinct phyletic line within the genus Flavobacterium. The levels of 16S rRNA gene sequence similarity with respect to Flavobacterium species were below 94.7 %. On the basis of the phenotypic, chemotaxonomic and molecular data, strain EMB47T represents a novel species within the genus Flavobacterium, for which the name Flavobacterium croceum sp. nov. is proposed. The type strain is EMB47T (= KCTC 12611T = DSM 17960T).

Original languageEnglish
Pages (from-to)2443-2447
Number of pages5
JournalInternational Journal of Systematic and Evolutionary Microbiology
Volume56
Issue number10
DOIs
Publication statusPublished - 2006 Oct 1

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Flavobacterium
activated sludge
Sewage
gene
new species
rRNA Genes
genomics
fatty acid
lipid
phosphorus
DNA
Genes
bacterium
Cardiolipins
ribosomal RNA
Base Composition
nucleotide sequences
Phosphatidylcholines
Phosphorus
cardiolipins

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Applied Microbiology and Biotechnology
  • Immunology
  • Microbiology

Cite this

Flavobacterium croceum sp. nov., isolated from activated sludge. / Park, Minjeong; Lu, Shipeng; Ryu, Seung Hyun; Chung, Bok Sil; Park, Woojun; Kim, Chang J.; Jeon, Che O.

In: International Journal of Systematic and Evolutionary Microbiology, Vol. 56, No. 10, 01.10.2006, p. 2443-2447.

Research output: Contribution to journalArticle

Park, Minjeong ; Lu, Shipeng ; Ryu, Seung Hyun ; Chung, Bok Sil ; Park, Woojun ; Kim, Chang J. ; Jeon, Che O. / Flavobacterium croceum sp. nov., isolated from activated sludge. In: International Journal of Systematic and Evolutionary Microbiology. 2006 ; Vol. 56, No. 10. pp. 2443-2447.
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