Correlation Engine 2.0
Clear Search sequence regions


  • antibiosis (2)
  • ascomycota (2)
  • biomass (2)
  • fungi (9)
  • plant (4)
  • plant leaves (1)
  • plant roots (1)
  • roots (2)
  • taxa (1)
  • tibet (3)
  • Sizes of these terms reflect their relevance to your search.

    Stipa purpurea is a unique and dominant herbaceous plant species in the alpine steppe and meadows on the Qinghai-Tibet Plateau (QTP). In this work, we analyzed the composition and diversity of the culturable endophytic fungi in S. purpurea according to morphological and molecular identification. Then, we investigated the bioactivities of these fungi against plant pathogenic fungi and 1- aminocyclopropane-1-carboxylate deaminase (ACCD) deaminase activities. A total of 323 fungal isolates were first isolated from S. purpurea, and 33 fungal taxa were identified by internal transcribed spacer primers and grouped into Ascomycota. The diversity of endophytic fungi in S. purpurea was significantly higher in roots as compared to leaves. In addition, more than 40% of the endophytic fungi carried the gene encoding for the ACCD gene. The antibiosis assay demonstrated that 29, 35, 28, 37 and 34 isolates (43.9, 53.1, 42.4, 56.1, and 51.5%) were antagonistic to five plant pathogenic fungi, respectively. Our study provided the first assessment of the diversity of culturedepending endophytic fungi of S. purpurea, demonstrated the potential application of ACCD activity and antifungal activities with potential benefits to the host plant, and contributed to high biomass production and adaptation of S. purpurea to an adverse environment.

    Citation

    Xiaoyan Yang, Hui Jin, Lihong Xu, Haiyan Cui, Aiyi Xin, Haoyue Liu, Bo Qin. Diversity and Functions of Endophytic Fungi Associated with Roots and Leaves of Stipa purpurea in an Alpine Steppe at Qinghai-Tibet Plateau. Journal of microbiology and biotechnology. 2020 Jul 28;30(7):1027-1036

    Expand section icon Mesh Tags

    Expand section icon Substances


    PMID: 32325547

    View Full Text