Effects of <i>Phyllostachys edulis</i> Invasion on Soil Bacterial Community Structure in <i>Cunninghamia lanceolata</i> Forest

PENG Hui; CHEN Huanwei; LI Qiujie; TONG Ran; ZHU Nianfu; ZHOU Hongmin

doi:10.3969/j.issn.1001-3776.2024.06.002

Journal of Zhejiang Forestry Science and Technology > 2024 > 44(6): 8-15. > DOI: 10.3969/j.issn.1001-3776.2024.06.002

PENG Hui, CHEN Huanwei, LI Qiujie, TONG Ran, ZHU Nianfu, ZHOU Hongmin. Effects of Phyllostachys edulis Invasion on Soil Bacterial Community Structure in Cunninghamia lanceolata Forest[J]. Journal of Zhejiang Forestry Science and Technology, 2024, 44(6): 8-15. DOI: 10.3969/j.issn.1001-3776.2024.06.002

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Effects of Phyllostachys edulis Invasion on Soil Bacterial Community Structure in Cunninghamia lanceolata Forest

1.
Longquan Conservation Center of Baishanzu National Park, Longquan 323700, China
2.
Longquan Forestry Research Institute, Longquan 323700, China
3.
Longquan Forestry Bureau, Longquan 323700, Longquan, China
4.
Research Institute of Subtropical Forestry,Chinese Academy of Forestry, Hangzhou 311400, China

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Received Date: May 28, 2024
Revised Date: September 05, 2024

Graphical Abstract

Abstract

Abstract

Objective
This paper aims to elucidate the impacts of soil bacterial community structure after Phyllostachys edulis invaded Cunninghamia lanceolata forest, and reveals the relationship between bacterial community diversity and structure and forest types as well as soil environment factors.
Method
Illumina MiSeq high throughput sequencing and OTU analysis were used to assess the soil bacterial community structure and its correlation with soil physical and chemical factors in Cunninghamia lanceolata forest invaded by Phyllostachys edulis （CP） to compare with that in Phyllostachys edulis forest （PF） and Cunninghamia lanceolata forest （CF）.
Result
A total of 2939 OTU soil bacteria of 36 phyla, 108 classes, 241 orders, 354 families, 552 genera were obtained from this 3 forest stand samples, among them Acidobacteria, Proteobacteria, Chloroflexi were the predominant bacterial phyla, accounting for 71.15%-76.07%. The relative abundance of Acidobacteria in CF and CP was significantly higher than that in PF（P<0.05）, the relative abundance of Proteobacteria in CF was significantly lower than that in other two forests, the relative abundance of Chloroflexi in CF was significantly higher than that in PF. The bacteria with relative abundance of more than 1% identified in the 3 forest sample plots are: Acidobacteriia, Alphaproteobacteria, Ktedonobacteria, Planctomycetes, Gammaproteobacteria, Actinobacteria, Thermoleophilia, Vicinamibacteria and Acidimicrobiia, Acidobacteriia and Alphaproteobacteria are two dominant classes. The bacterial genera with relative abundance of more than 1% identified in the 3 forests are: HSB_OF53-F07, Acidothermus, Candidatus Solibacter, Acidobacterium, Bryobacter and Bradyrhizobium. Spearman correlation analysis between dominant bacterial genera and soil environmental factors showed that, soil water content and available phosphorus are the main factors affecting soil bacterial community.
Conclusion
The invasion of Phyllostachys edulis into the Cunninghamia lanceolata forest has a significant impact on the soil bacterial community. The non-dominant bacteria isolated from the CP and the PF can provide an important reference for studying the changes of bacterial community during this intrusion process.
- Fengyang Mountain,
- Illumina MiSeq,
- soil bacterial,
- Phyllostachys edulis invasion; Cunninghamia lanceolata forest

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References (27)

References

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Effects of Phyllostachys edulis Invasion on Soil Bacterial Community Structure in Cunninghamia lanceolata Forest