ArticleCurrent microbiology2022
Potential Specificity Between Mycorrhizal Fungi Isolated from Widespread Dendrobium spp. and Rare D. huoshanense Seeds.
Article in Current microbiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed, 12 citations in OpenAlex.
- Comparison and structure of fungal diversity in roots and rhizosphere soils of wild and reintroduced populations of three Paphiopedilum species.BMC genomics · 2026Article
- Comparative Symbiotic Effects of Mycorrhizal Fungal Strains from Different Hosts on Seed Germination and Seedling Growth inJournal of fungi (Basel, Switzerland) · 2025Article
- Fungi of the family Psathyrellaceae are symbiotic partners of the mycoheterotrophic orchid Danxiaorchis yangii.Mycorrhiza · 2025Article
- Ecological specificity of fungi on seedling establishment in Dendrobium huoshanense: a narrow distributed medicinal orchid.Mycorrhiza · 2025Article
- Composition and Biodiversity of Culturable Endophytic Fungi in the Roots of Alpine Medicinal Plants in Xinjiang, China.Journal of fungi (Basel, Switzerland) · 2025Article
- Perspective and challenges of mycorrhizal symbiosis in orchid medicinal plants.Chinese herbal medicines · 2024Review
- Habitat ecological characteristics and soil fungal community structure ofPlant signaling & behavior · 2023Article
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
Abstract
In nature, orchid seed germination and seedling development depend on compatible mycorrhizal fungi. Mycorrhizal generalist and specificity affect the orchid distribution and rarity. Here, we investigated the specificity toward fungi in the rare D. huoshanense by mycorrhizal fungal isolation and symbiotic germination in vitro. Twenty mycorrhizal fungal strains were isolated from the roots of adult Dendrobium spp. (six and 12 strains from rare D. huoshanense and widespread D. officinale, respectively, and two strains from D. nobile and D. moniliforme, respectively) and 13 strains belong to Tulasnellaceae and seven strains belong to Serendipitaceae. Germination trials in vitro revealed that all 20 tested fungal strains can stimulate seed germination of D. huoshanense, but only nine strains (~ 50%) can support it up to the seedling stage. This finding indicates that generalistic fungi are important for early germination, but only a few can maintain a symbiosis with host in seedling stage. Thus, a shift of the microbial community from seedling to mature stage probably narrows the D. huoshanense distribution range. In addition, to further understand the relationship between the fungal capability to promote seed germination and fungal enzyme activity, we screened the laccase and pectase activity. The results showed that the two enzymes activities of fungi cannot be directly correlated with their germination-promoting activities. Understanding the host specificity degree toward fungi can help to better interpret the limited geographic distribution of D. huoshanense and provides opportunities for in situ and ex situ conservation and reintroduction programs.
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