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22 results for “Rhytidhysteron”
FIG. 5. — Rhytidhysteron subrufulum X.-L in Multigene phylogenetic support for novel Rhytidhysteron Speg. species (Hysteriaceae) from Sichuan Province, China
FIG. 5. — Rhytidhysteron subrufulum X.-L. Xu & C.-L. Yang, sp. nov. (holo-, SICAU19-0010): A, appearance of apothecia on host; B, C, ascomata; D, vertical section of hysteriothecium; E, exciple; F, G, pseudoparaphyses; H-M, asci; N, ocular chamber; O-S, ascospores; T, germinated ascospores; U, colonies on PDA for five days. Scale bars: A, 1 mm; B, C, 0.5 mm; D, 200 μm; E, 50 μm; F-M, 20 μm; N-T, 10 μm.
FIG. 4. — Rhytidhysteron sichuanensis X.-L in Multigene phylogenetic support for novel Rhytidhysteron Speg. species (Hysteriaceae) from Sichuan Province, China
FIG. 4. — Rhytidhysteron sichuanensis X.-L. Xu & C.-L. Yang, sp. nov. (holo-, SICAU 19-0004): A, appearance of apothecia on host; B, C, ascomata; D, vertical section of hysteriothecium; E, exciple; F, pseudoparaphyses; G-K, asci; L, ocular chamber; M-P, ascospores; Q, germinated ascospores; R, colonies on PDA for six days. Scale bars: A, B, 1 mm; C, 0.5 mm; D, 200 μm; E-K, 20 μm; L-Q, 10 μm.
FIG. 3. — Rhytidhysteron ligustrum X.-L in Multigene phylogenetic support for novel Rhytidhysteron Speg. species (Hysteriaceae) from Sichuan Province, China
FIG. 3. — Rhytidhysteron ligustrum X.-L. Xu & C.-L. Yang, sp. nov. (holo-, SICAU 20-0004): A, appearance of apothecia on host; B, C, ascomata; D, vertical section of hysteriothecium; E, exciple; F, pseudoparaphyses; G-K, asci; L, ocular chamber; M, germinated ascospores; N-Q, ascospores; R, colonies on PDA for five days. Scale bars: A, 1 mm; B, C, 0.5 mm; D, 100 μm; E-K, 20 μm; L-Q, 10 μm.
FIG. 1 in Multigene phylogenetic support for novel Rhytidhysteron Speg. species (Hysteriaceae) from Sichuan Province, China
FIG. 1. — Phylogram generated from RAxML analyses based on combined LSU, SSU, ITS and tef-1α sequence dataset within the genus Rhytidhysteron Speg. The tree is rooted to Hysterographium fraxini (Pers.) De Not. (CBS 109.43 and MFLU 15-3681). ML ≥70% and BYPP ≥0.95 are defined as ML/BYPP above or below the nodes. The type strains are in bold and the newly generated sequences are highlighted in red.
FIG. 2 in Multigene phylogenetic support for novel Rhytidhysteron Speg. species (Hysteriaceae) from Sichuan Province, China
FIG. 2. — Rhytidhysteron hongheense Wanas (SICAU 19-0006): A, appearance of apothecia on host; B, C, ascomata; D, vertical section of hysteriothecium; E, F, exciple; G, pseudoparaphyses; H-K, asci; L, M, ocular chamber; N-P, ascospores; Q, germinated ascospores; R, colonies on PDA for four days. Scale bars: A, B, 1 mm; C, 0.5 mm; D, 200 μm; E-K, 20 μm; L-Q, 10 μm.
FIGURE 3 in Rhytidhysteron mexicanum sp. nov. (Dothideomycetes, Ascomycota) from the Sierra of Guadalupe, Trans Mexican Volcanic Belt
FIGURE 3. Macroscopical morphological features of Rhytidhysteron mexicanum. A. Appearance of hysterothecia on host. B. Ascomata hysterothecial close-up.
FIGURE 2 in Rhytidhysteron mexicanum sp. nov. (Dothideomycetes, Ascomycota) from the Sierra of Guadalupe, Trans Mexican Volcanic Belt
FIGURE 2. Maximum-likelihood analysis tree from analysis of combined dataset of ITS and LSU sequence alignment of Rhytidhysteron species. The tree was rooted using Gloniopsis calami as the out-group. Bootstrap support values from 1,000 replicates are shown at the nodes only for branches supported by more than 50%. The scale bar at the bottom of the tree indicates a genetic change of 0.02. Newly generated sequences are in green.
FIGURE 1 in Rhytidhysteron mexicanum sp. nov. (Dothideomycetes, Ascomycota) from the Sierra of Guadalupe, Trans Mexican Volcanic Belt
FIGURE 1. Maximum-likelihood analysis tree from analysis of combined dataset of ITS and LSU sequence alignment of Pleoporomycetidae. The tree was rooted using Roccella fuciformis as the out-group. Bootstrap support values from 1,000 replicates are shown at the nodes only for branches supported by more than 50%. The scale bar at the bottom of the tree indicates a genetic change of 0.02. Newly generated sequences are in green. The species in bold are the Ex-type strain.
FIGURE 4 in Rhytidhysteron mexicanum sp. nov. (Dothideomycetes, Ascomycota) from the Sierra of Guadalupe, Trans Mexican Volcanic Belt
FIGURE 4. Microscopical features of Rhytidhysteron mexicanum stained with alcohol (70%) and KOH (10%) reagent. A. Hysterothecium cross-section without KOH. B. Hysterothecium cross-section with KOH. C. Hysterothecium cross section, showing the epithecium, haemathecium (hymenium), exciple and subhymenium. D. Exciple of iso-diametric cells (globulosa-angularis) close-up. E. Asci and ascospores. F. Peridium of iso-radiating cells (textura prismatica) close-up. G. Pseudoparaphyses. H. Ascospores.
FIGURE 4 in New host and geographical records of Rhytidhysteron in northern Thailand, and species synonymization
FIGURE 4. Rhytidhysteron subrufulum (CMUB4003, new host and geographical record). a–c Appearance of ascomata on the substrate. d Section through ascoma. e, f Exciple. g, h Psudoparaphyses. i–n Asci from different stages. o, p Ocular chamber. q Ascospores. Scale bars: b, c = 1000 µm, d = 200 µm, i–n = 50 µm, e–h, o–q = 20 µm.
FIGURE 3 in New host and geographical records of Rhytidhysteron in northern Thailand, and species synonymization
FIGURE 3. Rhytidhysteron neorufulum (CMUB4002, new host record). a, b Appearance of ascomata on the substrate. c Section through ascoma. d, e Exciple. f, g Psudoparaphyses with branched swollen tips. h Ocular chamber. i–l Asci from different stages. m Germinating ascospore. n Ascospores. Scale bars: b = 1000 µm, c = 200 µm, d–h = 10 µm, i–l = 50 µm, m–n = 20 µm.
FIGURE 1 in New host and geographical records of Rhytidhysteron in northern Thailand, and species synonymization
FIGURE 1. Phylogenetic tree conducted by maximum likelihood (RAxML) based on analysis of a combined LSU, ITS, SSU, and TEF1 sequence data of Rhytidhysteron species. Bootstrap values for ML equal to or greater than 60% and Bayesian posterior probabilities (PP) equal to or greater than 0.90 are defined as ML/PP above the nodes. The tree is rooted to Gloniopsis calami (MFLUCC 15-0739) and G. praelonga (CBS 112415). The newly generated strains are indicated in blue and the type strains are in black bold.
FIGURE 2 in New host and geographical records of Rhytidhysteron in northern Thailand, and species synonymization
FIGURE 2. Rhytidhysteron bruguierae (CMUB4004, new host record). a, b Appearance of ascomata on the substrate. c Section through ascoma. d Exciple. e, f Pseudoparaphyses with branched swollen reddish tips. g–l Asci (note: h = stained in KOH). m Pseudoparaphyses. n Ascospores. o Germinating ascospore. Scale bars: b = 1000 µm, c = 200 µm, d–f, m–o = 20 µm, g–l = 50 µm.
Figure 4 from: Ren G-C, Wanasinghe DN, Jeewon R, Monkai J, Mortimer PE, Hyde KD, Xu J-C, Gui H (2022) Taxonomy and phylogeny of the novel rhytidhysteron-like collections in the Greater Mekong Subregion. MycoKeys 86: 65-85. https://doi.org/10.3897/mycokeys.86.70668
Figure 4 Rhytidhysteron neorufulum (HKAS 115534) a, bHysterothecium on wood c vertical section through hysterothecia d exciple e pseudoparaphyses f–h immature asci and mature asci i–m immature ascospores and mature ascospores n germinating ascospore o, p culture characters on PDA (o = above view, p = reverse view). Scale bars: 1000 μm (a, b); 200 μm (c); 15 μm (d); 20 μm (e); 50 μm (f–h); 10 μm (i–m); 20 μm (n); 20 mm (o, p).
Figure 3 from: Ren G-C, Wanasinghe DN, Jeewon R, Monkai J, Mortimer PE, Hyde KD, Xu J-C, Gui H (2022) Taxonomy and phylogeny of the novel rhytidhysteron-like collections in the Greater Mekong Subregion. MycoKeys 86: 65-85. https://doi.org/10.3897/mycokeys.86.70668
Figure 3 Rhytidhysteron tectonae (HKAS 115533) a, bHysterothecium on wood c vertical section through hysterothecia d exciple e pseudoparaphyses f–i immature and mature asci j ocular chamber. k–r immature and mature ascospores s Germinating ascospore t, u culture characters on PDA (t = above view, u = reverse view). Scale bars: 300 μm (c); 50 μm (d); 30 μm (e); 50 μm (f–i); 10 μm (j–r); 15 μm (s); 25 mm (t, u).
Figure 2 from: Ren G-C, Wanasinghe DN, Jeewon R, Monkai J, Mortimer PE, Hyde KD, Xu J-C, Gui H (2022) Taxonomy and phylogeny of the novel rhytidhysteron-like collections in the Greater Mekong Subregion. MycoKeys 86: 65-85. https://doi.org/10.3897/mycokeys.86.70668
Figure 2 Rhytidhysteron xiaokongense (HKAS 112728, holotype) a, b conidiomata on natural wood surface c sections through conidioma d ostiolar neck e conidioma wall f–h conidiogenous cells and developing conidia i–m conidia n germinated conidium o, p culture characters on PDA (o = above, p = reverse). Scale bars: 100 μm (c, d); 50 μm (e); 15 μm (f–h); 10 μm (i–m); 20 μm (n); 25 mm (o, p).
Figure 1 from: Ren G-C, Wanasinghe DN, Jeewon R, Monkai J, Mortimer PE, Hyde KD, Xu J-C, Gui H (2022) Taxonomy and phylogeny of the novel rhytidhysteron-like collections in the Greater Mekong Subregion. MycoKeys 86: 65-85. https://doi.org/10.3897/mycokeys.86.70668
Figure 1 RAxML tree based on a combined dataset of partial SSU, LSU, ITS, and tef1-α sequence analyses. Bootstrap support values for ML and MP equal to or higher than 75% and Bayesian PP equal to or greater than 0.95 are shown at the nodes. Hyphens (--) represent support values less than 75% / 0.95 BYPP. The ex-type strains are in bold and the new isolate in this study is in blue. The tree is rooted with Gloniopsis calami (MFLUCC 15-0739) and G. praelonga (CBS 112415).
Figure 4 from: Cobos-Villagrán A, Valenzuela R, Hernández-Rodríguez C, Calvillo-Medina RP, Villa-Tanaca L, Mateo-Cid LE, Pérez-Valdespino A, Martínez-González CR, Raymundo T (2021) Three new species of Rhytidhysteron (Dothideomycetes, Ascomycota) from Mexico. MycoKeys 83: 123-144. https://doi.org/10.3897/mycokeys.83.68582
Figure 4 Rhytidhysteron mesophilum (Holotype, A. Trejo 74) A appearance of ascomata hysterothecial on host B ascomata hysterothecial close-up, striated margin with yellowish green pruina and reddish orange to orange red epithecium C–F microscopical features stained with alcohol (70%) and KOH (10%) reagent C ascomata hysterothecial cross-section with alcohol (70%) D exciple of iso-radiating cells (textura prismatica), close up E asci F ascospores.
Figure 3 from: Cobos-Villagrán A, Valenzuela R, Hernández-Rodríguez C, Calvillo-Medina RP, Villa-Tanaca L, Mateo-Cid LE, Pérez-Valdespino A, Martínez-González CR, Raymundo T (2021) Three new species of Rhytidhysteron (Dothideomycetes, Ascomycota) from Mexico. MycoKeys 83: 123-144. https://doi.org/10.3897/mycokeys.83.68582
Figure 3 Rhytidhysteron esperanzae (Holotype, T. Raymundo 6579) A appearance of ascomata apothecial on host B ascomata apothecial close-up, greyish-green to dull green and striated margin and dark green to black epithecium C–F microscopical features stained with alcohol (70%) and KOH (10%) reagent C ascomata apothecial cross-section with alcohol (70%) D exciple of isodiametric cells (textura globulosa-angularis), close-up E asci F ascospores.
Figure 2 from: Cobos-Villagrán A, Valenzuela R, Hernández-Rodríguez C, Calvillo-Medina RP, Villa-Tanaca L, Mateo-Cid LE, Pérez-Valdespino A, Martínez-González CR, Raymundo T (2021) Three new species of Rhytidhysteron (Dothideomycetes, Ascomycota) from Mexico. MycoKeys 83: 123-144. https://doi.org/10.3897/mycokeys.83.68582
Figure 2 Rhytidhysteron cozumelense (Holotype, A. Cobos-Villagrán 951) A appearance of ascomata hysterothecial and apothecial on host B ascomata apothecial close-up, striated margin and black epithecium C–F microscopical features stained with alcohol (70%) and KOH (10%) reagent C ascomata apothecial cross-section with alcohol (70%) D exciple of iso-radiating cells (textura prismatica), close-up E asci F ascospores.
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