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130 results for “Ascomycetes”
FIGURE 2 in Four new species of Arthothelium (Arthoniales, Ascomycetes) from Africa and Socotra
FIGURE 2. New species of Arthothelium from Africa and Socotra. Arthothelium frischianum (A−F, holotype), Arthothelium miesii (G−N, holotype). A−B, G−H. Thallus with apothecia. C, I. Ascus in water. D−F, J−N. Ascospores. Scale in A, G = 1000 μm, in B, H = 500 μm, in C = 25 μm, in D−F, I = 10 μm, in J−N = 5 μm.
FIGURE 3. a-d. Balaniopsis kirkii. a in A new species of Bhatia (asexual ascomycetes) and new records from Brazil
FIGURE 3. a-d. Balaniopsis kirkii. a. Conidia; b. Upper view of conidiogenous cell; c. Conidiophores and conidiogenous cells with denticles (arrow); d. Detail of conidiophore with percurrent extension bearing a conidiogenous cells. e. Conidia of Cirrenalia donnae. f. Conidia of Dictyosporium pandani. Scale bars: a, b, f = 10 μm. c-e = 20 μm.
FIGURE 2 in A new species of Bhatia (asexual ascomycetes) and new records from Brazil
FIGURE 2. Drawings of Bhatia laevispora (MG 224312, holotype). a. Conidiophores and conidia; b. Conidia; c. Conidiophore. Scale bars: a, c = 50 μm, b = 20 μm.
FIGURE 1 in A new species of Bhatia (asexual ascomycetes) and new records from Brazil
FIGURE 1. Bhatia laevispora (MG 224312, holotype). a. Conidia; b. Conidiophore and conidia; c. Conidiophore; d–e. Conidiogenous cells with percurrent extensions; f–g. Conidiogenous cell and conidia. Scale bars: a, d, e = 20 μm, b-c = 50 μm. f-g = 10 μm.
FIGURE 2 in Lonicericola fuyuanensis (Parabambusicolaceae) a new terrestrial pleosporalean ascomycete from Yunnan Province, China
FIGURE 2. Lonicericola fuyuanensis (MFLU 19-2850, holotype). a–c Appearance of ascomata on host substrate. d, e Section of ascoma. f Peridium. g Pseudoparaphyses. h–k Asci. l Apical ring in an ascus stained with Congo Red (arrowed). m–q Ascospores (note the ascospore stained in Indian ink to show the mucilaginous sheath in q). Scale bars: d, e = 100 µm, f, h–k = 20 µm, g, l–q = 10 µm.
FIGURE 1 in Lonicericola fuyuanensis (Parabambusicolaceae) a new terrestrial pleosporalean ascomycete from Yunnan Province, China
FIGURE 1. RAxML tree based on a combined dataset of partial SSU, LSU, tef1 and ITS sequence analyses. Bootstrap support values for ML and MP equal to or greater than 60 %, Bayesian posterior probabilities (PP) equal to or greater than 0.95 are shown as ML/ MP/ PP above the nodes. The new isolate is in blue bold. The tree is rooted to Corynespora cassiicola (CBS 100822) and C. smithii (CABI 5649b) in Corynesporaceae. The scale bar represents the expected number of nucleotide substitutions per site.
FIGURE 2 in Saprobic Dothideomycetes in Thailand: Phaeoseptum hydei sp. nov., a new terrestrial ascomycete in Phaeoseptaceae
FIGURE 2. Phaeoseptum hydei (MFLU 17-0660, holotype). a, b. Appearance of ascomata on host substrate. c. Section of ascoma. d. Peridium. e. Pseudoparaphyses. f–j. Asci. k–n. Ascospores. o. Colony on PDA. Scale bars: b = 500 µm, c = 100 µm, d, e, k–n = 10 µm, f–j = 20 µm.
FIGURE 1 in Saprobic Dothideomycetes in Thailand: Phaeoseptum hydei sp. nov., a new terrestrial ascomycete in Phaeoseptaceae
FIGURE 1. RAxML tree based on analysis of a combined dataset of LSU, SSU, ITS and TEF partial sequences. Bootstrap support values for ML and MP higher than 60 % and Bayesian posterior probabilities (BYPP) for BI greater than 0.95 are defined above the internal branches respectively. The ex-type strains are in bold; the new isolate is in blue. The tree is rooted to Hysterobrevium angustatum (MFLUCC 16-0623) and Gloniopsis praelonga (CBS 112415) in the Hysteriales.
FIGURE 3. Hysterodifractum partisporum. A–B. Ascomata. C–D. Ascus with ascospores. E. Asci with ascospores and pseudoparaphyses. F in A new genus and three new species of hysteriaceous ascomycetes from the semiarid region of Brazil
FIGURE 3. Hysterodifractum partisporum. A–B. Ascomata. C–D. Ascus with ascospores. E. Asci with ascospores and pseudoparaphyses. F. Apex of the ascus with ascospores. G–I. Ascospores. Scale bars: A–B = 0.5 mm, C–D = 10 µm, E = 20 µm, F–I = 2 µm.
FIGURE 1. Anteaglonium brasiliense. A–B. Ascomata. C–D. Asci with ascospores and pseudoparaphyses. E. Ascus with ascospores. F–H in A new genus and three new species of hysteriaceous ascomycetes from the semiarid region of Brazil
FIGURE 1. Anteaglonium brasiliense. A–B. Ascomata. C–D. Asci with ascospores and pseudoparaphyses. E. Ascus with ascospores. F–H. Ascospores. Scale bars: A–B = 0.5 mm, C–E = 10 µm, F–H = 5 µm.
FIGURE 4 in A new genus and three new species of hysteriaceous ascomycetes from the semiarid region of Brazil
FIGURE 4. Phylogram of the most likely tree obtained from a maximum likelihood analysis of 123 taxa based on LSU nrDNA. Thickened branches indicate significant Bayesian posterior probabilities ≥ 95%; numbers refer to PhyML bootstrap support values ≥ 50%. Encephalographa elisae was used as the outgroup taxon. Newly sequenced taxa are in bold. Clades that contain the three new species are shaded.
FIGURE 2. Graphyllium caracolinense. A–B. Ascomata. C in A new genus and three new species of hysteriaceous ascomycetes from the semiarid region of Brazil
FIGURE 2. Graphyllium caracolinense. A–B. Ascomata. C. Longitunial section of ascomata. D–E. Asci with ascospores. F–H. Ascospores. Scale bars: A–C = 0.5 mm, D–H = 10 µm.
FIGURE 2 in Freshwater ascomycetes: Lophiostoma vaginatispora comb. nov. (Dothideomycetes, Pleosporales, Lophiostomaceae) based on morphological and molecular data
FIGURE 2. Lophiostoma vaginatispora (from holotype). A–B. Appearance of ascomata on wood. Note the oozed ascospores in B. C–D. Sections of ascomata. E. Papillate ascoma. F. Peridium. G. Wide cellular pseudoparaphyses. H–I. Asci. J–K. Asci releasing ascospores through fissitunicate dehiscence. L–N. Ascospores with wide papilionaceous sheath. L is in Indian ink. Scale bars: C = 300 µm, D = 200 µm, E = 50 µm, F–G = 20 µm, H–I = 30 µm, J–L, N = 50 µm, M = 20 µm.
FIGURE 3 in Helicascus gallicus sp. nov., a new freshwater pleosporalean ascomycete from France
FIGURE 3. Helicascus gallicus (BJFUCC200224). Upper (A) and reverse (B) views of colony on MEA 40 days after inoculation. Bars: 1 cm.
FIGURE 4 in Helicascus gallicus sp. nov., a new freshwater pleosporalean ascomycete from France
FIGURE 4. Maximum parsimony (MP) tree generated from sequence analysis of the combined 28S and ITS nrDNA dataset. Designated outgroup taxon is Montagnula opulenta. Maximum parsimony bootstrap support values above 60% are shown at nodes and based on 1,000 replicates. Bayesian support above 90% is shown under the branches.
FIGURE 2. Helicascus gallicus. M–T in Helicascus gallicus sp. nov., a new freshwater pleosporalean ascomycete from France
FIGURE 2. Helicascus gallicus. M–T: Paratype BJFC 200033. M, N: Mature and immature asci in Pelikan black ink showing the pedicels; O: Ascus base with coiled endoascus, in Pelikan black ink; P: Apex of an immature ascus showing the faint ocular chamber,in Pelikan black ink; Q: Hamathecium in India ink, showing cellular pseudoparaphyses embedded in mucilage; R: Two typical ascospores in water; S: Deviating ascospores with two additional septa, in water; T: Ascospore in India ink, with remnants of mucilage after being
FIGURE 1. Helicascus gallicus. A–D, G–L in Helicascus gallicus sp. nov., a new freshwater pleosporalean ascomycete from France
FIGURE 1. Helicascus gallicus. A–D, G–L: Paratype BJFC 200033; E, F: Paratype JF 02202-2. A: Blackened host surface; B: Host surface in close up showing the pseudostromata; C, D: Ostioles in close-up; E: Vertical section of a fully immersed pseudostroma; F: Vertical section of a pseudostroma mounted in chloral-lactophenol showing the multilocular arrangement of ascomata and the common ostiole surrounded by orange material; G: Vertical section of a papillate ostiole in close-up showing the ostiolar canals merging beneath surface; H, I: Vertical sections of pseudostromata showing the multilocular arrangement and the thick clypeus; J–L: Sections of periderm and clypeus mounted in chloral-lactophenol. Scale bars: A: 5 mm; B: 1 mm; E: 0.5 mm; C, D, F, G: 100 µm; H, I: 200 µm; J: 50 µm; K, L: 20 µm.
FIGURE 2 in Amphibambusa hongheensis sp. nov., a novel bambusicolous ascomycete from Yunnan, China
FIGURE 2. Amphibambusa hongheensis (KUN-HKAS 112723, holotype). a Appearance of ascomata on the host. b Vertical section of the ascoma. c Peridium. d–f Asci. g Paraphyses. h, i Cultures. j J+, subapical ring (stained in Melzer's reagent). k–n Ascospores (notes: k ascospore with longitudinal striation, n ascospore stained in Indian ink showing mucilaginous sheath). Scale bars: b = 100 μm, d–g = 30 μm, c = 20 μm, j–n = 15 μm.
FIGURE 1 in Amphibambusa hongheensis sp. nov., a novel bambusicolous ascomycete from Yunnan, China
FIGURE 1. Maximum likelihood tree based on RAxML analysis of a concatenated ITS-LSU sequence dataset to represent the phylogenetic relationships of taxa in Cainiaceae and Requienellaceae. Bootstrap support values for ML equal to or greater than 70% and the Bayesian posterior probabilities equal to or higher than 0.95 PP are indicated above the nodes as ML/PP. Ex-type strains are in bold and the new species are indicated in blue bold.
FIGURE 1 in Bambusicola autumnalis sp. nov., a bambusicolous ascomycete from Sichuan province, China
FIGURE 1. Maximum likelihood (RAxML) tree based on a combined sequence dataset (SSU, ITS, LSU, RPB2 and TEF1-α) of taxa from Bambusicolaceae. Bootstrap values for ML and MP equal or greater than 75%, and BI posterior probabilities equal or greater than 0.95 are indicated. New isolated strains are indicated in red and ex-type strains are indicated in bold.
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