We studied the resistance of Cenococcum geophilum and Suillus granulatus isolates to NaCl during growth under axenic culture conditions. C. geophilum isolates displayed variations in NaCl resistance; mycelial growth of most isolates was inhibited above 200mM. All isolates of S. granulatus were tolerant to high NaCl content.
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http://dx.doi.org/10.4489/MYCO.2010.38.3.225 | DOI Listing |
Ying Yong Sheng Tai Xue Bao
October 2024
College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
To select the mycorrhizal seedlings of with excellent Cd-resistance and explore the mechanism of promoting the resistance to Cd stress of , nine species of isolated from different hosts infected to form mycorrhizal seedlings, were cultured in Cd-contaminated soil for three months. We conducted the principal component analysis (PCA) on biomass, root structure, and photosynthesis, and evaluated the Cd tolerance of mycorrhizal seedlings by membership function. The results showed that dry and fresh weight of mycorrhizal seedlings under Cd stress were 1.
View Article and Find Full Text PDFSci Total Environ
October 2024
International Joint Laboratory of Forest Symbiology, College of Juncao Science and Ecology (College of Carbon Neutrality), Fujian Agriculture and Forestry University, Fuzhou 350002, China. Electronic address:
Nitrogen (N) is of great significance to the absorption, distribution and detoxification of cadmium (Cd). Ectomycorrhizal fungi (EMF) are able to affect the key processes of plant N uptake to resist Cd stress, while the mechanism is still unclear. Therefore, we explored potential strategies of Cenococcum geophilum (C.
View Article and Find Full Text PDFJ Fungi (Basel)
January 2024
Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-Sen), No. 1 Qianhuhoucun, Zhongshanmen, Xuanwu District, Nanjing 210014, China.
Front Plant Sci
December 2023
Asian Research Center for Bioresource and Environmental Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan.
The application of mycorrhizal fungi as a bioaugmentation technology for phytoremediation of heavy metal (HM) contaminated soil has attracted widespread attention. In order to explore whether the adaptation of () to metal polluted soil depends on the metal adaptation potential of their associated ectomycorrhizal fungi (ECMF), we evaluated the cadmium (Cd) tolerance of 10 ecotypes of () through a membership function method, and seedlings were not (NM) or inoculated by Cd non-tolerant type (JaCg144), low-tolerant (JaCg32, JaCg151) and high-tolerant (JaCg205) isolates of were exposed to 0 and 100 mg·kg for 3 months. The result showed that, each ecotype of significantly promoted the growth, photosynthesis and chlorophyll content, proline (Pro) content and the activity of peroxidase (POD) of seedlings, and decreased malonaldehyde (MDA) content and catalase (CAT) and superoxide dismutase (SOD) activity.
View Article and Find Full Text PDFMycoscience
July 2022
a Arctic Research Center, Hokkaido University.
Microbial symbionts are essential for plant niche expansion into novel habitats. Dormant propagules of ectomycorrhizal (EM) fungi are thought to play an important role in seedling establishment in invasion fronts; however, propagule bank communities above the treeline are poorly understood in the Eurasian Arctic, where treelines are expected to advance under rapid climate change. To investigate the availability of EM fungal propagules, we collected 100 soil samples from Arctic tundra sites and applied bioassay experiments using as bait seedlings.
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