Species diversity of fungal pathogens on cultivated mushrooms: a case study on morels (Morchella, Pezizales)

Yu, Feng-Ming; Jayawardena, Ruvishika S.; Luangharn, Thatsanee; Zeng, Xiang-Yu; Li, Cui-Jin-Yi; Bao, Shu-Xin; Ba, Hong; Zhou, De-Qun; Tang, Song-Ming; Hyde, Kevin D.; Zhao, Qi

doi:10.1007/s13225-023-00531-6

Fungal Diversity

2024

DOI: 10.1007/s13225-023-00531-6

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Species diversity of fungal pathogens on cultivated mushrooms: a case study on morels (Morchella, Pezizales)

Feng-Ming Yu,

Ruvishika S. Jayawardena,

Thatsanee Luangharn

et al.

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Morphological and Phylogenetic Analyses Reveal Dictyostelids (Cellular Slime Molds) Colonizing the Ascocarp of Morchella

Hu,

Jiang,

Liu

et al. 2024

JoF

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Morchella spp. (true morels) are precious edible mushrooms consumed around the world, with a delicious taste, rich nutritional value, and unique healthcare effects. Various fungi and bacteria have been reported to colonize the ascocarps of Morchella, damaging their fruiting bodies and leading to serious economic losses in cultivation. The species identification of these colonizing organisms is crucial for understanding their colonization mechanisms on morels. Slime molds, which have characteristics of both “fungi” and “animals”, can occasionally colonize crops and edible fungi. However, there have been no reports of dictyostelid cellular slime molds (dictyostelids) colonizing plants and fungi to date. In this study, we discovered that dictyostelids colonized the surface of one wild ascoma of Morchella in the forest of Chongqing, China, with the tissues being black and rotten. Macro- and micro-morphological observations, along with molecular phylogenetic analyses, identified the specimens investigated in this study as Dictyostelium implicatum and Morchella sp. Mel-21. The results provide new knowledge of dictyostelid colonization on organisms and contribute to the diversity of species colonizing true morels. Moreover, this is also the first report of dictyostelids distributed in Chongqing, China. This study enhances our insights into the life history and potential ecological significance of dictyostelids and updates their distribution area in China. Further research will be conducted to uncover the mechanisms behind the colonization observed in this study.

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Morphological and Phylogenetic Analyses Reveal Dictyostelids (Cellular Slime Molds) Colonizing the Ascocarp of Morchella

Hu,

Jiang,

Liu

et al. 2024

JoF

View full text Add to dashboard Cite

show abstract

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Species diversity of fungal pathogens on cultivated mushrooms: a case study on morels (Morchella, Pezizales)

Cited by 1 publication

References 223 publications

Morphological and Phylogenetic Analyses Reveal Dictyostelids (Cellular Slime Molds) Colonizing the Ascocarp of Morchella

Morphological and Phylogenetic Analyses Reveal Dictyostelids (Cellular Slime Molds) Colonizing the Ascocarp of Morchella

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