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- Title
A novel pigmented and heavy metal biosorptive bacterium, Leucobacter epilobiisoli sp. nov., isolated from rhizosphere soil of Epilobium hirsutum L.
- Authors
Hou, Shao-Yang; Wang, Fang; Zhang, Meng-Yue; Cheng, Juan; Zhang, Yi-Xuan
- Abstract
A novel yellow pigmented, Gram-positive, aerobic and heavy metal biosorptive bacterium designated SYP-B2667T was isolated from rhizosphere soil of Epilobium hirsutum L. in Tongren, Guizhou province, China. Based on 16S rRNA gene sequence analyses, it was shown that strain SYP-B2667T represents a novel species in the genus Leucobacter, with Leucobacter chromiireducens subsp. solipictus JCM 15573T as a close phylogenetic neighbour (sequence similarity of 98.2%). Chemotaxonomic characteristics also supported the affiliation to the genus Leucobacter. Strain SYP-B2667T was determined to have a DNA G+C content of 66.6 mol%; 2,4-diaminobutyric acid in the cell wall peptidoglycan amino acids; MK-11 as predominant menaquinone; an abundance of anteiso-C15:0 and anteiso-C17:0 fatty acids; and polar lipids including diphosphatidylglycerol, phosphatidylglycerol, glycolipids and unidentified phospholipids. The DNA-DNA hybridization value between strain SYP-B2667T and L. chromiireducens subsp. solipictus JCM 15573T was 19.7 ± 2.8%. Based on these phylogenetic and phenotypic results, it can be concluded that strain SYP-B2667T represents a novel species, for which the name Leucobacter epilobiisoli sp. nov. is proposed. The type strain is SYP-B2667T (=DSM 105145T=CPCC 204976T). This strain can tolerate and adsorb five heavy metals and so may have potential to facilitate heavy metal removal and bioremediation.
- Subjects
HEAVY metals; RHIZOSPHERE; RIBOSOMAL RNA; EPILOBIUM; BIOREMEDIATION
- Publication
Antonie van Leeuwenhoek, 2018, Vol 111, Issue 10, p1825
- ISSN
0003-6072
- Publication type
Article
- DOI
10.1007/s10482-018-1071-3