Revealed the Status of Microbial Diversity and Structure in Soil and Rhizosphere of Endangered Plant Species Cypripedium japonicum

초록

The Cypripedium japonicum is a species of orchid, distributed mainly in the temperateregions of the Northern Hemisphere. In Korea, C. japonicum is an extremely rare species andclass I endangered plant. However, little is known about the plant-microbe interaction and itsecology, especially rhizosphere bacterial communities in terms of structure and diversity in C. japonicum. In this study, the diversity of bacterial communities was investigated in C. japonicum rhizosphere and bulk soil. Proteobacteria, Acidobacteria and Actinobacteria were themost abundant groups in both rhizosphere and bulk soil. Significantly Proteobacteria andActinobacteria abundantly inhabited in the rhizosphere when compared with the bulk soil. Conversely, significantly more unclassified bacteria were detected in the rhizosphere soil than inthe bulk soil. This work increases our understanding of the rhizosphere bacterial diversity onclass I endangered plant, C. japonicum.

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