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Published online ahead of print on 19 June 2009 as doi:ijs.0.006908-0
International Journal of Systematic and Evolutionary Microbiology 2009;59:1656.

Int J Syst Evol Microbiol (2009); DOI 10.1099/ijs.0.006908-0
© 2009 International Union of Microbiological Societies
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Massilia niabense sp. nov. and Massilia niastense sp. nov., isolated from air samples

Hang-Yeon Weon1, Byung-Yong Kim2, Seung-Beom Hong2, Young-Ah Jeon2, Bon-Sung Koo2, Soon-Wo Kwon2,4 and Erko Stackebrandt3

1 National Institute of Agricultural Science and Technology;
2 Korean Agricultural Culture Collection (KACC);
3 DSMZ-Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH

4 E-mail: swkwon{at}rda.go.kr

Two bacterial isolates, designated 5420S-26T and 5516S-1T, were recovered from air samples collected in Suwon, Korea. Both strains were aerobic, Gram-negative, motile and rod-shaped. Phylogenetically, these strains were positioned within the radius of the genus Massilia. 16S rRNA gene sequence analyses showed that both strains had 97.3 % sequence similarity and revealed the sequence similarity levels of 94.9-98.1 % with the type strains of the genus Massilia. According to the DNA-DNA hydridization tests, both strains showed below 39 % homology values with the closely related species of the genus Massilia, showing 27 % homology value to each other. Both strains had ubiquinone Q-8 as the predominant isoprenoid quinone and summed feature 3 as the major fatty acid. Strain 5516S-1T characteristically had a small amount of C20:0. The DNA G+C contents of 5420S-26T and 5516S-1T were 67.8 and 66.6 %, respectively. Phylogenetic, phenotypic and chemotaxonomic data accumulated in this study revealed that each isolate could be classified in a novel species of the genus Massilia. The names proposed for these strains are Massilia niabense sp. nov. (type strain 5420S-26T=KACC 12632T=DSM 21312T) and Massilia niastense sp. nov. (type strain 5516S-1T =KACC 12599T=DSM 21313T).






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