The Boletes of Michigan

Snell, Walter H.; Dick, Esther A.; Smith, Alexander H.; Thiers, H

doi:10.2307/3758003

Cited by 20 publications

(15 citation statements)

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“…B. edulis is well known to colonize a diverse array of hosts in Europe (Águeda et al ., 2008; Beugelsdijk et al ., 2008; Dentinger et al ., 2010). However, it is thought to rarely occur without gymnosperm hosts in North America (Smith, 2005). If divergence in the gene EDU‐000167 is driving, or indicative of, shifts in host preference in the CO lineage, this would provide one explanation for the limited admixture and high divergence of CO, despite geographic and phylogenetic proximity to the WC lineage.…”

Section: Resultsmentioning

confidence: 99%

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Contrasting continental patterns of adaptive population divergence in the holarctic ectomycorrhizal fungus Boletus edulis

2022

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In the hyperdiverse fungi, the process of speciation is virtually unknown, including for the > 20 000 species of ectomycorrhizal mutualists. To understand this process, we investigated patterns of genome-wide differentiation in the ectomycorrhizal porcini mushroom, Boletus edulis, a globally distributed species complex with broad ecological amplitude.By whole-genome sequencing 160 individuals from across the Northern Hemisphere, we genotyped 792 923 single nucleotide polymorphisms to characterize patterns of genome-wide differentiation and to identify the adaptive processes shaping global population structure.We show that B. edulis exhibits contrasting patterns of genomic divergence between continents, with multiple lineages present across North America, while a single lineage dominates Europe. These geographical lineages are inferred to have diverged 1.62-2.66 million years ago, during a period of climatic upheaval and the onset of glaciation in the Pliocene-Pleistocene boundary. High levels of genomic differentiation were observed among lineages despite evidence of substantial and ongoing introgression. Genome scans, demographic inference, and ecological niche models suggest that genomic differentiation is maintained by environmental adaptation, not physical isolation.Our study uncovers striking patterns of genome-wide differentiation on a global scale and emphasizes the importance of local adaptation and ecologically mediated divergence, rather than prezygotic barriers such as allopatry or genomic incompatibility, in fungal population differentiation.

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Section: Resultsmentioning

confidence: 99%

“…Boletus edulis Bull. (‘porcini’) is a well‐known ectomycorrhizal species complex that is found in nearly all temperate ecosystems across the northern hemisphere (Smith, 2005). Due to extensive phenotypic variation (Fig.…”

Section: Introductionmentioning

confidence: 99%

Contrasting continental patterns of adaptive population divergence in the holarctic ectomycorrhizal fungus Boletus edulis

2022

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“…The problem of identification of taxa remaining in Boletus sensu lato continues to be fueled by taxonomic uncertainties (Smith & Thiers, 1971; Treu, 1994) due to the lack of published DNA data from type collections. Recent molecular studies place the vast majority of red‐pored Boleti in Neoboletus , Suillellus , or Rubroboletus (Vizzini et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

“…However, Boletus sensu lato is not monophyletic (Nuhn et al, 2013). Once a very large genus (Singer, 1986; Smith & Thiers, 1971; Snell & Dick, 1970), Boletus of today is narrowly circumscribed by porcini mushrooms, that is, Boletus edulis and allies (Dentinger et al, 2010), hence B. subvelutipes placement in Boletus is unlikely.…”

Section: Introductionmentioning

confidence: 99%

DNA isolation and genome sequence of the 134‐year‐old holotype specimen of Boletus subvelutipes Peck

Shumskaya,

Mironov,

Ballesteros

et al. 2023

Ecology and Evolution

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Molecular characterization of type specimens is a powerful tool used in clarifying species identity/circumscription, as well as establishing the taxonomic and phylogenetic status of organisms in question. However, DNA sequencing of aged herbarium collections can be a challenge due to the quantity and quality of DNA still present in the specimens. Herein, we report a custom DNA isolation protocol suitable for processing minute quantities of old specimen tissue and its utilization via high‐throughput sequencing technologies to obtain, for the first time, the genome assembly of the 134‐year‐old holotype of Boletus subvelutipes Peck, a North American fleshy pored mushroom of taxonomic and historical significance. A side‐by‐side evaluation of our DNA isolation method with that of a commercial “kit” by Qiagen is also presented. By relying on the type material, we have established the genetic identity of B. subvelutipes, as well as providing preliminary phylogenetic evidence for its generic affinities in Neoboletus within Boletaceae. The reference genome of the B. subvelutipes holotype provides a resource for future comparative genomic studies, taxonomic revisions in Boletaceae, and other evolutionary studies of fungi.

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“…In one paper in a series on the Cooloola boletes of Queensland, Watling and Gregory (1989) stated, 'Tylopilus is very well represented in Australasia and many more undescribed species occur there than in north temperate regions.' A brief diagnosis of the genus was followed by discussion of varying concepts employed by McNabb (1967), Smith and Thiers (1971), Corner (1972), and Pegler and Young (1981). Following Corner (1972), nine alliances were enumerated by Watling and Gregory (1989).…”

Section: Introductionmentioning

confidence: 99%

Rubinoboletus phaseolisporus (Boletaceae) from Western Australia is a Tylopilus with bean-shaped spores

Robinson¹,

Halling²,

Bougher³

et al. 2021

Nuytsia

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The bolete genus name Rubinoboletus Pilát & Dermek has been misapplied in the past to include taxa belonging to several genera including Tylopilus P.Karst. In this study, we provide morphological and molecular phylogenetic justification for alignment of Rubinoboletus phaseolisporus T.H.Li, R.N.Hilton & Watling in Tylopilus with the North American taxon T. balloui (Peck) Singer. Thus, a new combination, Tylopilus phaseolisporus (T.

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The Boletes of Michigan

Cited by 20 publications

References 0 publications

Contrasting continental patterns of adaptive population divergence in the holarctic ectomycorrhizal fungus Boletus edulis

Contrasting continental patterns of adaptive population divergence in the holarctic ectomycorrhizal fungus Boletus edulis

DNA isolation and genome sequence of the 134‐year‐old holotype specimen of Boletus subvelutipes Peck

Rubinoboletus phaseolisporus (Boletaceae) from Western Australia is a Tylopilus with bean-shaped spores

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