Abstract
A novel Gram-positive, rod-shaped, motile, spore-forming, nitrogen-fixing bacterium, designated strain 112T, was isolated from cabbage rhizosphere in Beijing, China. The strain was found to grow at 10–40 °C and pH 4–11, with an optimum of 30 °C and pH 7.0, respectively. Phylogenetic analysis based on a fragment of the full-length 16S rRNA gene sequence revealed that strain 112T is a member of the genus Paenibacillus. High levels of 16S rRNA gene similarities were found between strain 112T, Paenibacillus sabinae DSM 17841T (97.82 %) and Paenibacillus forsythiae DSM 17842T (97.22 %). However, the DNA–DNA hybridization values between strain 112T and the type strains of these two species were 10.36 and 6.28 %, respectively. The predominant menaquinone was found to be menaquinone 7 (MK-7). The major fatty acids were determined to be anteiso-C15:0 and C16:0. The major polar lipids were found to be diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylglycerol and unknown aminophospholipids. The cell wall peptidoglycan was found to contain meso-diaminopimelic acid. The DNA G+C content was determined to be 55.4 mol%. On the basis of its phenotypic characteristics, 16S rRNA gene sequence analysis and the value of DNA–DNA hybridization, strain 112T is considered to represent a novel species of the genus Paenibacillus, for which the name Paenibacillus brassicae sp. nov. is proposed. The type strain is 112T (= ACCC 01125T = DSM 24983T).
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This research was supported by the National Natural Science Foundation of China (No.30970083), and Special Fund for Agro-scientific Research in the Public Interest (201203045).
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Gao, M., Yang, H., Zhao, J. et al. Paenibacillus brassicae sp. nov., isolated from cabbage rhizosphere in Beijing, China. Antonie van Leeuwenhoek 103, 647–653 (2013). https://doi.org/10.1007/s10482-012-9849-1
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DOI: https://doi.org/10.1007/s10482-012-9849-1