ArticleEvolution; international journal of organic evolution2016
Fertility depression among cheese-making Penicillium roqueforti strains suggests degeneration during domestication.
Article in Evolution; international journal of organic evolution, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 27 citations in OpenAlex.
- Identification of quantitative trait loci (QTLs) for key cheese making phenotypes in the blue-cheese mold Penicillium roqueforti.PLoS genetics · 2025Article
- Fungi as Food.Current topics in microbiology and immunology · 2025Review
- Different metabolite profiles across Penicillium roqueforti populations associated with ecological niche specialisation and domestication.IMA fungus · 2024Article
- A new cheese population inEvolutionary applications · 2023Article
- Independent domestication events in the blue-cheese fungus Penicillium roqueforti.Molecular ecology · 2020Article
- Comparative genomics applied to Mucor species with different lifestyles.BMC genomics · 2020Article
- Omics Analyses of Trichoderma reesei CBS999.97 and QM6a Indicate the Relevance of Female Fertility to Carbohydrate-Active Enzyme and Transporter Levels.Applied and environmental microbiology · 2017Article
- Sex and the Imperfect Fungi.Microbiology spectrum · 2017Review
- Fungi as a Source of Food.Microbiology spectrum · 2017Review
- Blue cheese-making has shaped the population genetic structure of the mould Penicillium roqueforti.PloS one · 2017Article
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Authors and funding
10 authors at 4 institutions in 2 countries.
Funding
Abstract
Genetic differentiation occurs when gene flow is prevented, due to reproductive barriers or asexuality. Investigating the early barriers to gene flow is important for understanding the process of speciation. Here, we therefore investigated reproductive isolation between different genetic clusters of the fungus Penicillium roqueforti, used for maturing blue cheeses, and also occurring as food spoiler or in silage. We investigated premating and postmating fertility between and within three genetic clusters (two from cheese and one from other substrates), and we observed sexual structures under scanning electron microscopy. All intercluster types of crosses showed some fertility, suggesting that no intersterility has evolved between domesticated and wild populations despite adaptation to different environments and lack of gene flow. However, much lower fertility was found in crosses within the cheese clusters than within the noncheese cluster, suggesting reduced fertility of cheese strains, which may constitute a barrier to gene flow. Such degeneration may be due to bottlenecks during domestication and/or to the exclusive clonal replication of the strains in industry. This study shows that degeneration has occurred rapidly and independently in two lineages of a domesticated species. Altogether, these results inform on the processes and tempo of degeneration and speciation.
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