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Cited by 20Fungal and yeast genetics researchGenetic diversity and population structureMycorrhizal Fungi and Plant Interactions

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Invasive Californian death caps develop mushrooms unisexually and bisexually

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Wang, Yen-Wen, McKeon, Megan C., Elmore, Holly, Hess, Jaqueline, Golan, Jacob, Gage, Hunter, Mao, William, Harrow, Evan, Gonçalves, Susana C., Hull, Christina M., Pringle, Anne·2023·Nature Communications
DOI 10.1038/s41467-023-42317-zPMC PMC10598064

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Abstract

Canonical sexual reproduction among basidiomycete fungi involves the fusion of two haploid individuals of different mating types, resulting in a heterokaryotic mycelial body made up of genetically different nuclei. Using population genomics data and experiments, we discover mushrooms of the invasive and deadly Amanita phalloides can also be homokaryotic; evidence of sexual reproduction by single, unmated individuals. In California, genotypes of homokaryotic mushrooms are also found in heterokaryotic mushrooms, implying nuclei of homokaryotic mycelia are also involved in outcrossing. We find death cap mating is controlled by a single mating type locus, but the development of homokaryotic mushrooms appears to bypass mating type gene control. Ultimately, sporulation is enabled by nuclei able to reproduce alone as well as with others, and nuclei competent for both unisexuality and bisexuality have persisted in invaded habitats for at least 17 but potentially as long as 30 years. The diverse reproductive strategies of invasive death caps are likely facilitating its rapid spread, suggesting a profound similarity between plant, animal and fungal invasions.

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Metadata

Authors
Wang, Y.-W., McKeon, M. C., Elmore, H., Hess, J., Golan, J., Gage, H., Mao, W., Harrow, E., Gonçalves, S. C., Hull, C. M., & Pringle, A.
Affiliations
  • University of Wisconsin–Madison (US)
  • University of Coimbra (PT)
Corresponding author
Wang, Yen-Wen
ORCID
Venue
Nature Communications
Publisher
Springer Science and Business Media LLC
Published
2023-10-24
Volume
14
Issue
1
Pages
6560-6560
ISSN
2041-1723 (ISSN-L)
DOI
10.1038/s41467-023-42317-z
PMC
PMC10598064
OpenAlex
W4387909444
Cited by
20
References
4
Citations by year
2026: 5 · 2025: 5 · 2024: 5 · 2023: 5
FWCI
1.78
Type
journal article
Language
en
Open access
Licence
Locations
  • Nature Communications (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • PubMed Central (submittedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT) (submittedVersion, cc-by)
Funders
Mycological Society of America
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fungal and yeast genetics research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic diversity and population structure
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Mycorrhizal Fungi and Plant Interactions
Keywords
Amanita phalloides, death cap mushroom, fungal invasion, bisexuality, mating-type locus, heterokaryosis, outcrossing, sporulation, California

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