How Rhizosphere Microbial Assemblage Is Influenced by Dragon Fruits with White and Red Flesh.

The synthesis of betalain using microorganisms is an innovative developmental technology, and the excavation of microorganisms closely related to betalain can provide certain theoretical and technical support to this technology. In this study, the characteristics of soil microbial community structures and their functions in the rhizospheres of white-fleshed dragon fruit () and red-fleshed dragon fruit () were analyzed. The results show that the soil bacterial and fungal compositions in the rhizospheres were shaped differently between and . Bacterial genera such as and were the unique dominant soil bacterial genera in the rhizospheres of , whereas was the unique dominant soil bacterial genus in the rhizospheres of . Additionally, was the unique dominant soil fungal genus in the rhizospheres of , whereas and were the unique dominant soil fungal genera in the rhizospheres of . Moreover, , , , , , , , and were significantly enriched in the rhizospheres of , whereas , , , , and were significantly enriched in the rhizospheres of . Furthermore, the relative abundances of Ascomycota and were significantly higher in the rhizospheres of than in those of .