Taxonomy and phylogeny of Pluteus glaucotinctus sensu lato (Agaricales, Basidiomycota), a multicontinental species complex

Menolli, Nelson; Justo, Alfredo; Arrillaga, Pedro; Pradeep, C. K.; Minnis, Andrew M.; Capelari, Marina

doi:10.11646/phytotaxa.188.2.2

Cited by 12 publications

(4 citation statements)

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“…The nrITS1 region is less variable than nrITS2, and patristic differences greater than 0.0082 can be considered as a possible threshold value in nrITS1, whereas this threshold value represents the maximum intraspecific value. The absence of conflicts between the nrITS and TEF1-α phylogenetic analyzes conducted separately confirms that this combination of markers is suitable for the separation of different phylospecies, as already reported in previous studies [ 51 , 52 ]. Conversely, the use of a combined nrITS and TEF1-α dataset in phylogenetic analyses do not accurately resolve the relationship between different species within “ Pluteus insidiosus complex” suggesting that other markers will be needed to confirm these relationships.…”

Section: Discussionsupporting

confidence: 86%

Pluteus insidiosus Complex, Four New Species Described and Pluteus reisneri Resurrected

Ševčíková

Ferisin²,

Malysheva³

et al. 2022

JoF

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We studied the taxonomy of Pluteus insidiosus and similar species using morphological and molecular (nrITS, TEF1-α) data, including a detailed study of the type collection of P. insidiosus. Based on our results, we recognize five species in this group: P. insidiosus sensu stricto and four other taxa: P. assimilates; P. farensis; P. flavostipitatus; and P. pseudoinsidiosus; described here as new. All these taxa are distinct from each other based on molecular data, but some of them are semi-cryptic based on morphology and co-occur in the Palaearctic region. An additional molecular lineage, phylogenetically separates from the P. insidiosus complex, but with many morphological similarities, was recognized in the molecular phylogenies. Based on the revision of available type collections, the name Pluteus reisneri Velen., was adopted for this Clade. Pluteus reisneri was validly published in 1921, but it has barely been used since its original description. A modern epitype, with molecular data, was selected for P. reisneri.

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Section: Discussionsupporting

confidence: 86%

Pluteus insidiosus Complex, Four New Species Described and Pluteus reisneri Resurrected

Ševčíková

Ferisin²,

Malysheva³

et al. 2022

JoF

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“…Considering the genera with the highest number of ITS sequences recovered in this study and that also are the most OTU-rich ones (Table 3), only Pluteus (Basidiomycota) is among the list of genera of Maia et al [62]. Based on this, Pluteus is one of the genera of fungi occurring in Brazil that has been well studied in terms of taxonomy, using both morphological and molecular data [143][144][145][146][147][148][149][150][151][152][153][154][155][156][157][158][159][160][161].…”

Section: Discussionmentioning

confidence: 75%

Brazilian fungal diversity represented by DNA markers generated over 20 years

Menolli

Sánchez-García

2019

Braz J Microbiol

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Molecular techniques using fungal DNA barcoding (ITS) and other markers have been key to identifying the biodiversity of different geographic areas, mainly in megadiverse countries. Here, we provide an overview of the fungal diversity in Brazil based on DNA markers of phylogenetic importance generated since 1996. We retrieved fungal sequences of ITS, LSU, SSU, tef1-α, β-tubulin, rpb1, rpb2, actin, chitin synthase, and ATP6 from GenBank using different field keywords that indicated their origin in Brazil. A total of 19,440 sequences were recovered. ITS is the most representative marker (11,209 sequences), with 70.1% belonging to Ascomycota, 18.6% Basidiomycota, 10.2% unidentified, 1.1% Mucoromycota, two sequences of Olpidium bornovanus (Fungi incertae sedis), one sequence of Blastocladiomycota (Allomyces arbusculus), and one sequence of Chytridiomycota (Batrachochytrium dendrobatidis). Considering the sequences of all selected markers, only the phyla Cryptomycota and Entorrhizomycota were not represented. Based on ITS, using a cutoff of 98%, all sequences comprise 3047 OTUs, with the majority being Ascomycota (2088 OTUs) and Basidiomycota (681 OTUs). Previous numbers based mainly on morphological and bibliographical data revealed 5264 fungal species from Brazil, with a predominance of Basidiomycota (2741 spp.) and Ascomycota (1881 spp.). The unidentified ITS sequences not assigned to a higher taxonomic level represent 1.61% of all ITS sequences sampled and correspond to 38 unknown class-level lineages (75% cutoff). A maximum likelihood phylogeny based on LSU illustrates the fungal classes occurring in Brazil.

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“…The three sections traditionally recognized morphologically are also reflected in phylogenetic analysis (Menolli et al, 2010;Justo et al, 2011a, b;Justo et al, 2014;Menolli et al, 2015a, b;Malysheva et al, 2016;Kaygusuz et al, 2019). Also, various works have included molecular analysis to clarify the taxonomic position of new records and description of species in the genus Pluteus; for example Banerjee & Sundberg (1995), Rodríguez et al (2009Rodríguez et al ( , 2010, Vizzini & Ercole (2011), Menolli et al (2014), Hosen et al (2018Hosen et al ( , 2019, Ferisin et al (2019), Ševčíková et al (2020, 2021), Malysheva et al (2020), Altaf et al (2022), Nopparat et al (2022).…”

Section: Introductionmentioning

confidence: 99%