The fungal community composition, size and several physico-chemical properties were individually investigated in ten macrophyte rhizospheric substrates using nested PCR-denaturing gradient gel electrophoresis and soil chemical methods. Results indicated that both Dothideomycetes and Sordariomycetes were dominant fungi in macrophyte rhizospheric substrates, and denitrifying fungi (Fusarium graminearum) was found in nine of ten macrophyte rhizospheres. Fungal Shannon-Wiener diversity index (H) and richness (S) in Thalia dealbata, Typha latifolia, Iris hexagona and Hemerocallis aurantiaca rhizospheres were higher than those in other six rhizospheres. Fungal number and biomass were 1.91 × 103 CFUs g-1 dw and 1.53 μg ergosterol g-1 dw in Iris pseudacor rhizosphere, and were greater than in other nine rhizospheres. The correlation analysis showed that fungal number and biomass significantly and positively correlated to total soil phosphorus, while fungal H and S were significantly and negatively correlated to total organic carbon. The principal components analysis (PCA) showed that the fungal community significantly divided ten macrophyte rhizospheres into four groups, showing the significant difference of fungal communities among ten rhizospheric substrates. The current study revealed for the first time the importance of rhizospheric fungal community in distinguishing macrophyte rhizospheres, thus will undoubtedly widen our insight into fungal communities in aquatic rhizospheres.
Comparison of fungal communities among ten macrophyte rhizospheres.
M. Guan,Xiaocui Pan,Shuo Wang,Xiao-Lin Wei,Chong-bang Zhang,Jiang Wang,Wen-li Liu,Shu-yuan Liu,Jie Chang
Published 2018 in Fungal Biology
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- Publication year
2018
- Venue
Fungal Biology
- Publication date
2018-09-01
- Fields of study
Biology, Medicine, Environmental Science
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Semantic Scholar, PubMed
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