The diversity of myxobacteria in the rhizosphere soil of Morchella by isolating them from soil samples of Morchella in Mt. Qinling area in Shaanxi Province, and a method for isolating myxobacteria was established. Myxobacteria were isolated from the rhizosphere soil of Morchella planted in Shangluo, Shaanxi Province by different induction methods. The bactericidal rates of different methods were compared and the myxobacteria were observed and analyzed by colony morphology, microscopic photographs, and the 16S rRNA sequence. The number of myxobacteria induced by living E. coli was the highest. A total of 17 strains of myxobacteria were isolated and purified, and identified into 5 genera, Myxococcus (12), Corallococcus (2), Cystobacter (1), Archangium (1), and Stigmatella (1). The results showed that myxobacteria exist in the rhizosphere soil of Morchella, and the genera of Myxococcus were in the majority, that might relate to the particularity of the rhizosphere soil of Morchella. This study provided an important scientific base for further study of the relationship between myxobacteria and Morchella. |