Paenibacillus quercus sp. nov., isolated from rhizosphere of Quercus aliena var. acuteserrata

Abstract

A Gram-positive, spore-forming, rod-shaped and motile bacterium, designated strain 1-25T, was isolated from the rhizosphere of Quercus aliena var. acuteserrata in Taibai Mountain, Shaanxi Province, China. 16S rRNA gene sequence analysis showed that strain 1-25T belongs to the genus Paenibacillus. Strain 1-25T was found to be closely related to Paenibacillus harenae and Paenibacillus castaneae with 96.0 and 95.9 % 16S rRNA gene sequence similarities, respectively. The strain was observed to grow optimally at 28 °C and pH 7.5. The major isoprenoid quinone was found to be menaquinone-7. The dominant cellular fatty acids were identified as anteiso-C15:0 and iso-C15:0. The diagnostic diamino acid in the cell-wall peptidoglycan was found to be meso-diaminopimelic acid. The DNA G+C content was determined to be 41.6 mol%. On the basis of phenotypic characteristics and molecular properties, strain 1-25T is considered to represent a novel species of the genus Paenibacillus, for which the name Paenibacillus quercus sp. nov. is proposed. The type strain is 1-25T (=CCTCC AB2013265T = KCTC 33194T).

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Correspondence to Quan-hong Xue.

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Wang, Ds., Jiang, Yy., Wei, Xm. et al. Paenibacillus quercus sp. nov., isolated from rhizosphere of Quercus aliena var. acuteserrata . Antonie van Leeuwenhoek 105, 1173–1178 (2014). https://doi.org/10.1007/s10482-014-0178-4

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Keywords

  • Paenibacillus sp.
  • Qinling Mountains
  • Sharp teeth oak
  • Taibai Mountain