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Int J Syst Evol Microbiol 59 (2009), 1045-1048; DOI  10.1099/ijs.0.002840-0
© 2009 International Union of Microbiological Societies

Aquitalea denitrificans sp. nov., isolated from a Korean wetland

Chang-Muk Lee1, Hang-Yeon Weon2, Yoo-Jeong Kim1, Jung-A Son2, Sang-Hong Yoon1, Bon-Sung Koo1 and Soon-Wo Kwon1

1 Korean Agricultural Culture Collection (KACC), Microbial Genetics Division, National Institute of Agricultural Biotechnology, Rural Development Administration, Suwon 441-707, Republic of Korea
2 Applied Microbiology Division, National Institute of Agricultural Science and Technology, Rural Development Administration, Suwon 441-707, Republic of Korea

Correspondence
Soon-Wo Kwon
swkwon{at}rda.go.kr

A novel bacterium, designated strain 5YN1-3T, was isolated from wetland peat collected from Yongneup, Korea. The bacterium was facultatively anaerobic, Gram-negative, yellow-coloured, rod-shaped, mesophilic and motile with one polar flagellum. The strain grew optimally at 30 °C, at pH 6.0–9.0 and with 0–1 % NaCl (w/v). 16S rRNA gene sequence analysis showed the highest similarity to the sequence from Aquitalea magnusonii TRO-001DR8T, with 98.7 % sequence similarity. However, strain 5YN1-3T showed DNA–DNA relatedness of 43 % (40 % in a reciprocal experiment) with A. magnusonii LMG 23054T. The strain contained summed feature 3 (iso-C15 : 0 2-OH and/or C16 : 1{omega}7c) and C16 : 0 as major cellular fatty acids. On the basis of DNA–DNA relatedness and physiological and biochemical characterization, strain 5YN1-3T should be assigned to a novel species of the genus Aquitalea, for which the name Aquitalea denitrificans sp. nov. is proposed. The type strain is 5YN1-3T (=KACC 12729T =DSM 21300T).

Abbreviations: TEM, transmission electron microscopy

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain 5YN1-3T is EU594330.






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Copyright © 2009 by the International Union of Microbiological Societies.