Extracellular DNA-degrading bacterium Pseudomonas sp. F204 promoted tomato growth and altered rhizosphere bacteria community

the eDNA-degrading bacterial strains were screened from soils using five different growth media, and their eDNA-degrading ability and plant growth-promoting characteristics were tested in vitro. Then, the effect of the isolate with the strongest eDNA-degrading ability was tested on tomato plant growth and its rhizosphere bacterial community using high-throughput amplicon sequencing. Pot experiment results showed that Pseudomonas sp F204 significantly altered tomato rhizosphere bacterial community structure and composition but showed no effect on bacterial alpha diversity; moreover, it profoundly increased the tomato seedlings' biomass.