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198 results for “Dothideomycetes”
Linked collectors and determiners for: Bitunicate ascomycetes (Dothideomycetes and Chaetothyriomycetidae) on bark and wood of selected hosts in Norway.
Natural history specimen data linked to collectors and determiners held within, "Bitunicate ascomycetes (Dothideomycetes and Chaetothyriomycetidae) on bark and wood of selected hosts in Norway". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/ca0d8107-a2bd-47a1-91a1-250179b534ec">https://bionomia.net/dataset/ca0d8107-a2bd-47a1-91a1-250179b534ec</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/ca0d8107-a2bd-47a1-91a1-250179b534ec">https://gbif.org/dataset/ca0d8107-a2bd-47a1-91a1-250179b534ec</a>. Formatted as a Frictionless Data package.
FIG. 2 in New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil
FIG. 2. — Section through ascoma of Melomastia septemseptata sp. nov. (holo-, CGMS). Scale bar: 200 μm.
FIG. 3 in New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil
FIG. 3. — Section through ascoma of Melomastia septemseptata sp. nov. (holo-, CGMS). Scale bar: 20 μm.
FIG. 6 in Septonema lohmanii G. Delgado & O. Koukol, sp. nov., a new species in Mytilinidiales (Dothideomycetes) and the phylogenetic position of S. fasciculare (Corda) S. Hughes
FIG. 6. — Septonema fasciculare (Corda) S. Hughes (MUCL 8886) in culture (MEA): A, colonies after 1 month. Herbarium specimen; B, colonies on natural substrate; C, D, conidiophores, conidiogenous cells and conidia; E, F, conidia. Ibid. (IMI 84944a); G, colonies on natural substrate; H, J, conidia; I, conidiophores, conidiogenous cells and conidia. Septonema secedens (IMI 9939); K, colonies on natural substrate. L, M, conidia. Ibid. (IMI 25538a); N, conidiophore, branches and conidia. Scale bars: B, G, 200 μm; K, 500 μm; C-F, H-J, L-M, 10 μm; N, 20 μm.
FIG. 5 in Septonema lohmanii G. Delgado & O. Koukol, sp. nov., a new species in Mytilinidiales (Dothideomycetes) and the phylogenetic position of S. fasciculare (Corda) S. Hughes
FIG. 5. — Septonema fasciculare (Corda) S. Hughes (MUCL 8886, herbarium specimen): A, conidiophores, ramoconidia and conidia in chains; B, conidia. Scale bar: 20 μm.
FIG. 3. — Septonema lohmanii G. Delgado & O in Septonema lohmanii G. Delgado & O. Koukol, sp. nov., a new species in Mytilinidiales (Dothideomycetes) and the phylogenetic position of S. fasciculare (Corda) S. Hughes
FIG. 3. — Septonema lohmanii G. Delgado & O. Koukol,sp.nov.(BPI 910175, holotype = CBS 141174).On natural substrate:A, conidiophores,branches and conidia.In culture (MEA); B, colony after 21 days; C, D, conidiophores,branches and conidia; E, hyphal segment showing warts.Ibid. (PRC 4117,paratype); F, colony on natural substrate; G, conidiophores, branches and conidia; H, conidia. Scale bars: A, 20 μm; C-E, G-H, 10 μm; F, 200 µm.
FIG. 2. — Septonema lohmanii G. Delgado & O in Septonema lohmanii G. Delgado & O. Koukol, sp. nov., a new species in Mytilinidiales (Dothideomycetes) and the phylogenetic position of S. fasciculare (Corda) S. Hughes
FIG. 2. — Septonema lohmanii G. Delgado & O. Koukol, sp. nov. (BPI 910175, holotype): A, conidiophores, branches and conidia; B, acute apices of young co- nidiophores and branches. Scale bars: 20 μm.
FIG. 4 in Septonema lohmanii G. Delgado & O. Koukol, sp. nov., a new species in Mytilinidiales (Dothideomycetes) and the phylogenetic position of S. fasciculare (Corda) S. Hughes
FIG. 4. — Phylogenetic tree inferred from Bayesian and ML analyses of concatenated ITS-LSU sequence data showing the placement of Septonema fasciculare (Corda) S. Hughes within the family Venturiaceae (Venturiales, Dothideomycetes). Numbers above branches represent Bayesian posterior probabilities PP>0.95 followed by ML bootstrap support values BS≥90 %. The studied strain MUCL 8886 is highlighted in bold.
FIG. 1 in Septonema lohmanii G. Delgado & O. Koukol, sp. nov., a new species in Mytilinidiales (Dothideomycetes) and the phylogenetic position of S. fasciculare (Corda) S. Hughes
FIG. 1. — Phylogenetic tree inferred from Bayesian and ML analyses of concatenated LSU-EF1-α sequence data showing the placement of Septonema lohmanii G. Delgado & O. Koukol, sp. nov. within Mytilinidiales and related orders in Dothideomycetes. Numbers above branches represent Bayesian posterior probabilities PP>0.95 followed by ML bootstrap support values BS≥90%. Strains belonging to the new taxon are highlighted in bold.
Figure 1 in Asterina hugoniae sp. nov. (Dothideomycetes: Asterinaceae) from Kerala, India
Figure 1. Asterina hugoniae sp. nov.
FIG. 1 in New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil
FIG. 1. — Habitus of Melomastia septemseptata sp. nov. (holo-, CGMS). Scale bar: 5 mm.
FIG. 4 in New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil
FIG. 4. — Ascospores of Melomastia septemseptata sp. nov. (holo-, CGMS). Scale bar: 10 μm.
FIGURE 1 in Alloleptosphaeria shangrilana sp. nov. and first report of the genus (Leptosphaeriaceae, Dothideomycetes) from China
FIGURE 1. RAxML tree based on analyses of combined SSU, LSU and ITS partial sequence data. Bootstrap support values for ML equal or greater than 65%, and Bayesian posterior probabilities (BP) equal or greater than 0.95 are given as ML/BP above the nodes. All ex-type strains are displayed in bold and the new species from this study is in blue bold. The tree is rooted to Didymella aeria (LC: 7441), D. exigua (CBS 183.55) and D. maydis (CBS 588.69) following Phukhamsakda et al. (2020).
FIGURE 2 in Alloleptosphaeria shangrilana sp. nov. and first report of the genus (Leptosphaeriaceae, Dothideomycetes) from China
FIGURE 2. Alloleptosphaeria shangrilana (holotype, HKAS: 112210). A, B. Ascomata on host substrate. C, D. Cross sections of ascomata. E, F. Vertical sections of ascomata. G. Peridium. H. Pseudoparaphyses. I–K. Asci. L. Ascus apex. M–U. Ascospores. Scale bars: B–D = 500 µm, E, F = 100 µm, G = 50 µm, H, L = 5 µm, I–K = 50 µm, M–U = 20 µm.
FIGURE 2 in A new species of Arthrographis (Eremomycetaceae, Dothideomycetes), from the soil in Guizhou, China
FIGURE 2. Morphology of Arthrographis multiformispora sp. nov. a, b, c, d. Colony on PDA and MEA after 14 d at 25 °C (upper surface and lower surface); e. chlamydospores; g. curved conidia; f, h, i, j. arthroconidia and branched conidiophores. Bars: e–h = 10 μm.
FIGURE 1 in A new species of Arthrographis (Eremomycetaceae, Dothideomycetes), from the soil in Guizhou, China
FIGURE 1. Phylogenetic tree of the genus Arthrographis constructed from ITS, LSU, and ACT. Notes: Statistical support values (BI/ML) were shown at nodes.
FIGURE 3 in A new species and a new host record of Pseudoberkleasmium (Pseudoberkleasmiaceae, Dothideomycetes) from Cocos nucifera and Zea mays in northern Thailand
FIGURE 3. Pseudoberkleasmium chiangraiense (MFLU 21–0291, holotype). a–c. The appearance of conidiomata on the host substrate. d–g. Conidia with basal cell (arrows indicate micronematous). h. A colony on PDA from above and below. i–l. Conidia (arrows indicate micronematous). m. A germinated conidium. Scale bars: d, e, m = 30 µm, f, g, i–l = 20 µm.
FIGURE 2 in A new species and a new host record of Pseudoberkleasmium (Pseudoberkleasmiaceae, Dothideomycetes) from Cocos nucifera and Zea mays in northern Thailand
FIGURE 2. Pseudoberkleasmium chiangmaiense (MFLU 21–0290, new host record). a, b. Appearance of conidiomata on host substrate. c–g. Conidia attached to conidiogenous cells (arrows indicate conidiogenous cells). h–l. Conidia. Scale bars: a =1000 µm, b = 300 µm, c–d = 50 µm, e–m = 20 µm.
FIGURE 1 in A new species and a new host record of Pseudoberkleasmium (Pseudoberkleasmiaceae, Dothideomycetes) from Cocos nucifera and Zea mays in northern Thailand
FIGURE 1. RAxML tree based on analyses of combined LSU, SSU, ITS, TEF1-α and RPB2 dataset. The tree is rooted with Lophiostoma crenatum (CBS 629.86) and L. arundinis (CBS 621.86). Bootstrap values for ML ≥ 75% and Bayesian posterior probabilities (PP) ≥ 0.95 are labelled on the nodes. The newly obtained sequences are indicated in red, while type strains are in black/red bold.
FIGURE 1 in Acrocalymma guizhouense sp. nov. (Acrocalymmaceae, Dothideomycetes) from soil in China
FIGURE 1. The maximum likelihood tree based on a combined dataset of partial SSU, LSU and ITS sequence analyses in Acrocalymma and its allied outgroups genera. Maximum likelihood support bootstrap values ≥70%, or Bayesian posterior probabilities ≥0.90 are shown as ML/BI above the nodes. The new isolates are in blue.
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