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Research Article
Xiaozhong Lan
Tibet Agriculture and Animal Husbandry University
Corresponding Author
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Gymnadenia conopsea has high economic value, and can be used as a medicinal and ornamental plant. Due to its low natural reproduction rate and overexploitation, the extinction of this plant is gradually accelerating. Understanding the composition and diversity of endophytic fungi is of great significance in promoting its propagation and the utilization of beneficial fungal strains. In this study, the diversity of fungal communities from roots, stems, leaves, fruits, and soils at four different elevations was studied with Illumina MiSeq sequencing. A total of 3,707,871 sequences were detected from all samples, and the number of clustering OTUs was 14,800. The OTUs were assigned to 4 phyla, 17 classes, 41 orders, 73 families, and 99 genera. The predominant fungal groups included Ascomycota and Basidiomycota, accounting for 33.71%-86.38% and 6.98%-58.30% of the total species, respectively. According to the alpha diversity index analysis, the diversity and richness of endophytic fungal communities in plant tissues at low altitudes were higher than those at high altitudes, while the diversity and richness of soil fungi were the opposite. In addition, principal coordinate analysis (PCoA) not only showed that the fungal community structure was correlated with altitude but also indicated tissue specificity of the community structure. Our study explored the composition of the endophytic fungal community among different tissues from different altitudes and included functional analysis, which might provide new ideas for saving the endangered species G. conopsea.
Keywords
Gymnadenia conopsea, Orchidaceae, symbiotic germination, mycorrhiza, fungi community, plant-fungus interactions
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This is a list of supplementary files associated with this preprint. Click to download.
- TableS1.xlsx
Gene profiles of fungal communities in G. conopsea tissues and rhizosphere soil using PICRUSt2 with the ITS gene sequence database.
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This preprint is under consideration at Archives of Microbiology. A preprint is a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
Learn more about In Review
Research Article
Xiaozhong Lan
Tibet Agriculture and Animal Husbandry University
Corresponding Author
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
Peer Review Timeline
CURRENT STATUS: Under Review
Version 1
Posted 17 Mar, 2021
No community comments so far
Reviewers invited
Invitations sent on 03 Mar, 2021
Reviews received
Received 03 Mar, 2021
Editor assigned
On 03 Mar, 2021
First submitted
On 02 Mar, 2021
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
License:
This work is licensed under a CC BY 4.0 License. Read Full License
Gymnadenia conopsea has high economic value, and can be used as a medicinal and ornamental plant. Due to its low natural reproduction rate and overexploitation, the extinction of this plant is gradually accelerating. Understanding the composition and diversity of endophytic fungi is of great significance in promoting its propagation and the utilization of beneficial fungal strains. In this study, the diversity of fungal communities from roots, stems, leaves, fruits, and soils at four different elevations was studied with Illumina MiSeq sequencing. A total of 3,707,871 sequences were detected from all samples, and the number of clustering OTUs was 14,800. The OTUs were assigned to 4 phyla, 17 classes, 41 orders, 73 families, and 99 genera. The predominant fungal groups included Ascomycota and Basidiomycota, accounting for 33.71%-86.38% and 6.98%-58.30% of the total species, respectively. According to the alpha diversity index analysis, the diversity and richness of endophytic fungal communities in plant tissues at low altitudes were higher than those at high altitudes, while the diversity and richness of soil fungi were the opposite. In addition, principal coordinate analysis (PCoA) not only showed that the fungal community structure was correlated with altitude but also indicated tissue specificity of the community structure. Our study explored the composition of the endophytic fungal community among different tissues from different altitudes and included functional analysis, which might provide new ideas for saving the endangered species G. conopsea.
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
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