- Pannonibacter tanglangensis sp. nov., a New Species Isolated from Pond Sediment
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Lei Wang, Yanpeng Cheng, Panpan Yang, Jinjin Zhang, Gui Zhang, Sihui Zhang, Jing Yang, Zhen Zhang, Lulu Hu, Ji Pu, Yanying Yang, Xin-He Lai, Jianguo Xu, Yinghui Li, Qinghua Hu
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J. Microbiol. 2024;62(9):727-737. Published online July 5, 2024
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DOI: https://doi.org/10.1007/s12275-024-00151-y
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 Abstract
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Two bacterial strains (XCT-34T and XCT-53) isolated from sediment samples of an artificial freshwater reservoir were analyzed using a polyphasic approach. The two isolates are aerobic, Gram-stain-negative, oxidase-negative, catalase-positive, motile with polar flagella, rod-shaped, and approximately 1.4-3.4 × 0.4-0.9 μm in size. Phylogenetic analyses based on 16S rRNA gene and whole-genome sequences showed that the two strains formed a distinct branch within the evolutionary radiation of the genus Pannonibacter, closest to Pannonibacter carbonis Q4.6T (KCTC 52466). Furthermore, lower than threshold average nucleotide identity values (ANI, 85.7-86.4%) and digital DNA-DNA hybridization values (dDDH, 22.3-30.5%) of the two strains compared to the nearest type strains also confirmed that they represented a novel species.
Genomic analyses, including annotation of the KEGG pathways, prediction of the secondary metabolism biosynthetic gene clusters and PHI phenotypes, supported functional inference and differentiation of the strains from the closely related taxa. Results of chemotaxonomic and physiological studies revealed that their distinct phenotypic characteristics distinguished them from existing Pannonibacter species. Thus, the two strains are considered to represent a novel species of Pannonibacter, for which the name of Pannonibacter tanglangensis sp.
nov. is proposed, with XCT-34T (= KCTC 82332T = GDMCC 1.1947T) as the respective type strain.
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Citations
Citations to this article as recorded by  - Validation List no. 223. Valid publication of new names and new combinations effectively published outside the IJSEM
Aharon Oren, Markus Göker
International Journal of Systematic and Evolutionary Microbiology
.2025;[Epub] CrossRef
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