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- Title
Impact of Vanadium–Titanium–Magnetite Mining Activities on Endophytic Bacterial Communities and Functions in the Root Systems of Local Plants.
- Authors
Xiong, Zhuang; Zhang, Yunfeng; Chen, Xiaodie; Sha, Ajia; Xiao, Wenqi; Luo, Yingyong; Peng, Lianxin; Zou, Liang; Li, Qiang
- Abstract
This study utilized 16S rRNA high-throughput sequencing technology to analyze the community structure and function of endophytic bacteria within the roots of three plant species in the vanadium–titanium–magnetite (VTM) mining area. The findings indicated that mining activities of VTM led to a notable decrease in both the biodiversity and abundance of endophytic bacteria within the root systems of Eleusine indica and Carex (p < 0.05). Significant reductions were observed in the populations of Nocardioides, concurrently with substantial increments in the populations of Pseudomonas (p < 0.05), indicating that Pseudomonas has a strong adaptability to this environmental stress. In addition, β diversity analysis revealed divergence in the endophytic bacterial communities within the roots of E. indica and Carex from the VTM mining area, which had diverged to adapt to the environmental stress caused by mining activity. Functional enrichment analysis revealed that VTM mining led to an increase in polymyxin resistance, nicotinate degradation I, and glucose degradation (oxidative) (p < 0.05). Interestingly, we found that VTM mining did not notably alter the endophytic bacterial communities or functions in the root systems of Dodonaea viscosa, indicating that this plant can adapt well to environmental stress. This study represents the primary investigation into the influence of VTM mining activities on endophytic bacterial communities and the functions of nearby plant roots, providing further insight into the impact of VTM mining activities on the ecological environment.
- Subjects
BACTERIAL communities; ENDOPHYTIC bacteria; PLANT roots; NUCLEOTIDE sequencing; FUNCTIONAL analysis; PLANT-fungus relationships; BACTERIAL diversity
- Publication
Genes, 2024, Vol 15, Issue 5, p526
- ISSN
2073-4425
- Publication type
Article
- DOI
10.3390/genes15050526