Characterization of the Microbial Community Structures, Soil Chemical Properties, and Enzyme Activity of Stellera chamaejasme (Thymelaeaceae) and Its Associated Forages in Alpine Grassland of Northwestern China

Jin, Hui; Cheng, Jinan; Liu, Haoyue; Yang, Xiaoyan; Dai, Lu; Huang, Xiancheng; Yan, Zuhua; Min, Deng; Xu, Xinxin; Qin, Bo

doi:10.1007/s00284-023-03554-z

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“…However, current research on endophytes associated with S. chamaejasme roots is limited. Except for sporadic reports on endophytes and rhizosphere microorganisms in Gansu Province, China 38 , 39 , there have been no reports on endophytes in alpine grasslands in Tibet. Therefore, studying the endophytes of S. chamaejasme in different alpine grasslands of Tibet is of great significance for understanding the root endophyte resources of S. chamaejasme and its adaptation to the plateau environment.…”

Section: Introductionmentioning

confidence: 99%

High-throughput sequencing-based analysis of the composition and diversity of the endophyte community in roots of Stellera chamaejasme

Zhang,

Li,

Yin

et al. 2024

Sci Rep

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Stellera chamaejasme (S. chamaejasme) is an important medicinal plant with heat-clearing, detoxifying, swelling and anti-inflammatory effects. At the same time, it is also one of the iconic plants of natural grassland degradation in northwest China, playing a key role in the invasion process. Plant endophytes live in healthy plant tissues and can synthesize substances needed for plant growth, induce disease resistance in host plants, and enhance plant resistance to environmental stress. Therefore, studying the root endophytes of S. chamaejasme is of great significance for mining beneficial microbial resources and biological prevention and control of S. chamaejasme. This study used Illumina MiSeq high-throughput sequencing technology to analyze the composition and diversity of endophytes in the roots of S. chamaejasme in different alpine grasslands (BGC, NMC and XGYZ) in Tibet. Research results show that the main phylum of endophytic fungi in the roots of S. chamaejasme in different regions is Ascomycota, and the main phyla of endophytic bacteria are Actinobacteria, Proteobacteria and Firmicutes (Bacteroidota). Overall, the endophyte diversity of the NMC samples was significantly higher than that of the other two sample sites. Principal coordinate analysis (PCoA) and permutational multivariate analysis of variance (PERMANOVA) results showed significant differences in the composition of endophytic bacterial and fungal communities among BGC, NMC and XGYZ samples. Co-occurrence network analysis of endophytes showed that there were positive correlations between fungi and some negative correlations between bacteria, and the co-occurrence network of bacteria was more complex than that of fungi. In short, this study provides a vital reference for further exploring and utilizing the endophyte resources of S. chamaejasme and an in-depth understanding of the ecological functions of S. chamaejasme endophytes.

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Section: Introductionmentioning

confidence: 99%