ArticleCurrent genetics2007
Using the putative asexual fungus Cenococcum geophilum as a model to test how species concepts influence recombination analyses using sequence data from multiple loci.
Article in Current genetics, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed, 30 citations in OpenAlex.
- Chromosome-scale Genome Assembly of the Most Abundant Ectomycorrhizal Fungus Cenococcum Geophilum Reveals Massive TE Expansion and RIP Defense Mechanism.Genome biology and evolution · 2026Article
- Comparative Physiological and Transcriptome Analysis Provide Insights into the Response ofJournal of fungi (Basel, Switzerland) · 2022Article
- Cryptic genetic structure and copy-number variation in the ubiquitous forest symbiotic fungus Cenococcum geophilum.Environmental microbiology · 2021Article
- Article
- Evaluating methodologies for species delimitation: the mismatch between phenotypes and genotypes in lichenized fungi (Persoonia · 2019Article
- Revisiting phylogenetic diversity and cryptic species of Cenococcum geophilum sensu lato.Mycorrhiza · 2016Article
- Large and variable genome size unrelated to serpentine adaptation but supportive of cryptic sexuality in Cenococcum geophilum.Mycorrhiza · 2014Article
- Assessment of ectomycorrhizal fungal communities in the natural habitats of Tuber magnatum (Ascomycota, Pezizales).Mycorrhiza · 2013Article
- Article
- Polyphasic analysis of intraspecific diversity in Epicoccum nigrum warrants reclassification into separate species.PloS one · 2011Article
- Serpentine soils do not limit mycorrhizal fungal diversity.PloS one · 2010Article
- Changes in ectomycorrhizal community structure on two containerized oak hosts across an experimental hydrologic gradient.Mycorrhiza · 2009Article
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Authors and funding
3 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Recent studies have found that three divergent lineages of the ectomycorrhizal fungus Cenococcum geophilum may co-occur within a single soil sample. To test how inference of population structure is affected by species concept, potential recombination in this putative asexual fungus was analyzed by sequencing 10 loci from 44 isolates from within one main lineage that is potentially sub-divisible into two phylogenetic species (A and B). Phylogenetic incongruence between these loci and recombination analyses using six different methods was consistent with recombination. However, most of the incongruence was caused by an apparently reciprocal recombination event between the actin locus and the other loci studied. Extreme divergence between the two types of actin loci suggests either an ancient recombination event or a more recent horizontal inheritance. We also found that random mating could not be rejected when A and B isolates were treated as members of a single species based on multilocus disequilibrium analyses, whereas random mating was rejected when all isolates were pooled. These results are significant and demonstrate that inferences of population structure can be confounded when isolates are pooled together based entirely on a morphological species concept.
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