Paenibacillus yonginensis sp. nov., a potential plant growth promoting bacterium isolated from humus soil of Yongin forest

Sukweenadhi, Johan and Kim, Yeon-Ju and Lee, Kwang Je and Koh, Sung-Cheol and Hoang, Van-An and Nguyen, Ngoc-Lan and Yang, Deok-Chun (2014) Paenibacillus yonginensis sp. nov., a potential plant growth promoting bacterium isolated from humus soil of Yongin forest. Antonie van Leeuwenhoek, 106 (5). pp. 935-945. ISSN 0003-6072 (print), 1572-9699 (online)

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Strain DCY84T, a Gram-stain positive, rod-shaped, aerobic, spore-forming bacterium, motile by means of peritrichous flagella, was isolated from humus soil from Yongin forest in Gyeonggi province, South Korea. Strain DCY84T shared the highest sequence similarity with Paenibacillus barengoltzii KACC 15270T (96.86 %), followed by Paenibacillus timonensis KACC 11491T (96.49 %) and Paenibacillus phoenicis NBRC 106274T (95.77 %). Strain DCY84T was found to able to grow best in TSA at temperature 30 °C, at pH 8 and at 0.5 % NaCl. MK-7 menaquinone was identified as the isoprenoid quinone. The major polar lipids were identified as phosphatidylethanolamine, an unidentified aminophospholipid, two unidentified aminolipids and an unidentified polar lipid. The peptidoglycan was found to contain the amino acids meso-diaminopimelic acid, alanine and d-glutamic acid. The major fatty acids of strain DCY84T were identified as branched chain anteiso-C15:0, saturated C16:0 and branched chain anteiso-C17:0. The cell wall sugars of strain DCY84T were found to comprise of ribose, galactose and xylose. The major polyamine was identified as spermidine. The DNA G+C content was determined to be 62.6 mol%. After 6 days of incubation, strain DCY84T produced 52.96 ± 1.85 and 72.83 ± 2.86 µg/ml l-indole-3-acetic acid, using media without l-tryptophan and supplemented with l-tryptophan, respectively. Strain DCY84T was also found to be able to solubilize phosphate and produce siderophores. On the basis of the phenotypic characteristics, genotypic analysis and chemotaxonomic characteristics, strain DCY84T is considered to represent a novel species of the genus Paenibacillus, for which the name Paenibacillus yonginensis sp. nov. is proposed. The type strain is DCY84T (=KCTC 33428T = JCM 19885T).

Item Type: Article
Uncontrolled Keywords: Paenibacillus yonginensis , Gram- staining-positive , Plant growth promoting
Subjects: Q Science > QR Microbiology
Divisions: Faculty of Technobiology > Department of Biology
Date Deposited: 22 Nov 2017 04:51
Last Modified: 22 Nov 2017 06:51

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