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A major concern in developing microbially-assisted phytoextraction (MAP) is that the effects of introduced microbes on indigenous soil microbial community are profound and irreversible. To date, however, the microbial properties of soils subjected to MAP remain poorly understood. Therefore, we explored the effects of inoculation with a bacterial consortium enriched from acid mine drainage on not only the cadmium (Cd) phytoextraction efficiency of Averrhoa carambola but also the microbial properties of the Cd-contaminated soil.

We conducted a field experiment and characterized the microbial community in the contaminated soil using next generation sequencing technology (Illumina MiSeq).

The bacterial inoculation increased the Cd concentration in A. carambola shoot tissues …