Abstract
Understanding plant–microbe interactions could provide the basis for improved phytoremediation, microbial resource utilization, and secondary metabolite production. Rhizosphere bacterial communities are strongly influenced by abiotic factors such as soil nutrient availability and the composition of such communities exhibits differentiation under different host plants. In a deciduous broad-leaved forest in Anhui Province, eastern China, the rhizospheric bacteria of three different tree species of the Rosaceae family (Sorbus alnifolia, Cerasus serrulata, and Photinia beauverdiana) were studied, with the bacteria of the bulk soil as controls. Bacterial community composition was determined using the Illumina platform for high-throughput sequencing of 16S rRNA genes. The results showed that the bacterial community composition varied between rhizospheric and bulk soils, and dominant bacterial phyla as Proteobacteria, Actinobacteria, and Acidobacteria were found in both soils. Information on predicted functional genes and pathways revealed significant differences between rhizospheric and bulk soil bacteria. It provided ample evidence for the different metabolic characteristics of the rhizosphere bacterial communities of the three tree species. Electrical conductivity (22.72%), total phosphorus concentration (21.89%), and urease activity (22%) were the main drivers for changes in the composition of the rhizosphere bacterial communities from the three tree species.
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Data Availability
The datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request.
Code Availability
Part of the mapping code for the current study are available from the corresponding author on reasonable request.
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The authors gratefully acknowledge the Yaoluoping National Nature Reserve Management Committee for assisting in the sample collection. We thank International Science Editing (http://www.internationalscienceediting.com) for editing this manuscript.
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This work was financially supported by the special fiscal fund for repairing and purchasing in national public institutions (831440): Anhui Yaoluoping National Nature Reserve large-scale fixed sample plot and animal fixed sample line repair.
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SZ developed the idea of the study and participated in its design; YW contributed to the acquisition of data and drafted the manuscript; YH and MD provided critical review and substantially revised the manuscript; ZW contributed to the acquisition of funds.
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Wang, Y., He, Y., Ding, M. et al. Influence of Rosaceous Species and Driving Factors on Differentiation of Rhizospheric Bacteria in a Deciduous Broad-Leaved Forest. Curr Microbiol 79, 368 (2022). https://doi.org/10.1007/s00284-022-03049-3
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DOI: https://doi.org/10.1007/s00284-022-03049-3