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116 results for “Ophiocordyceps”
FIGURE 2. Ophiocordyceps camponoti-atricipis a in Unravelling the diversity behind the Ophiocordyceps unilateralis (Ophiocordycipitaceae) complex: Three new species of zombie-ant fungi from the Brazilian Amazon
FIGURE 2. Ophiocordyceps camponoti-atricipis a) Single stroma, characteristic of Ophiocordyceps unilateralis sensu lato, with a single lateral ascoma, arising anteriorly from pronotum of Camponotus atriceps, firmly attached to the edge of the leaf (bar = 3 mm); b) Detail of fertile region (ascoma) (bar = 0.8 mm); c) Section through ascoma showing the mainly immersed perithecial arrangement (bar = 200 μm); d) Ascospore with a needle-like outgrowth (capilliconidiophore) producing terminal conidium (bar = 20 μm); e) Close-up of conidium (bar = 10 μm); f) Close-up of perithecium (bar = 50 μm); g) Ascus, clavate in shape and with a prominent cap (bar = 20 μm); h) Section of upper part of stroma showing asexual morph (Hirsutella-like A type), with a palisade of subulate phialides (bar = 10 μm) Images: João Araújo.
FIGURE 5. Maximum-likelihood tree obtained from a in Unravelling the diversity behind the Ophiocordyceps unilateralis (Ophiocordycipitaceae) complex: Three new species of zombie-ant fungi from the Brazilian Amazon
FIGURE 5. Maximum-likelihood tree obtained from a concatenated dataset of three genes (nu-SSU, nu-LSU, ITS) showing the placement of O.camponoti-atricipis, O. camponoti-bispinosi and O. camponoti-indiani within Ophiocordyceps unilateralis complex and relative to other Ophiocordycipitaceae species. Numbers above branches indicate bootstrap scores>70 (ML/MP).
FIGURE 1 in Unravelling the diversity behind the Ophiocordyceps unilateralis (Ophiocordycipitaceae) complex: Three new species of zombie-ant fungi from the Brazilian Amazon
FIGURE 1. Map showing the forest reserves sampled in the central Brazilian Amazon: A) Reserva Adolpho Ducke; B) Parque Nacional de Anavilhanas; C) Parque Nacional do Viruá; D) Estação Ecológica de Maracá.
FIGURE 3. Ophiocordyceps camponoti-bispinosi a in Unravelling the diversity behind the Ophiocordyceps unilateralis (Ophiocordycipitaceae) complex: Three new species of zombie-ant fungi from the Brazilian Amazon
FIGURE 3. Ophiocordyceps camponoti-bispinosi a) Infected Camponotus bispinosus biting into tip of palm leaf; b) Close-up showing biting behavior; c) Section through ascoma showing perithecial arrangement (bar = 100 μm); d) Ascospore after 48 h germinating with a single capilliconidiophore with a capilliconidium at the tip (bar = 10 μm), upper right corner shows the capilliconidium in close-up (bar = 10 μm); e) Section of perithecium showing the arrangement of asci (bar = 50 μm); f-g) Detail showing the prominent ascus cap (bar = 10 μm); h) Section of the swollen stromatal tip with the asexual morph (Hirsutella-like A) (bar = 10 μm). Images: João Araújo.
FIGURE 2 in Multigene phylogeny and morphology reveal a new species, Ophiocordyceps tettigonia, from Guizhou Province, China
FIGURE 2. Ophiocordyceps tettigonia (holotype). a. Overview of stromata and the host. b. Pale, superficial ascomata on stroma. c. Cross section showing the complete stroma and perithecia. d–f. Sections of ascomata. g, h. Part of peridium. i–k. Asci. l. Ascus with apical cap. m. Ascus with apical cap stained by iodine solution. n. Ascus stained by iodine solution. o. Secondary ascospores. p. Secondary ascospores stained by iodine solution. Scale bars: d = 1000 μm, e, f = 200 μm, g, h = 30 μm, i–k = 100 μm, l, m, o, p = 10 μm, n = 20 μm.
FIGURE 1 in Multigene phylogeny and morphology reveal a new species, Ophiocordyceps tettigonia, from Guizhou Province, China
FIGURE 1. Phylogenetic relationships among Ophiocordyceps tettigonia and related species based on combined analysis of ITS, SSU, TEF, and RPB1 sequence data. Bootstrap values (1,000 replicates) are indicated above the nodes. Ex-type cultures or holotypes have an asterisk. The tree is rooted to Aschersonia placenta Berk.
FIGURE 2 in A new entomopathogenic fungus, Ophiocordyceps ponerus sp. nov., from China
FIGURE 2. Phylogenetic tree of Ophiocordyceps ponerus and related species using combined DNA sequences of the RPB2, TEF, ITS and SSU datasets obtained with maximum likelihood method. Numbers below the branches are bootstrap percentage values based on 10,000 replicates, ML/BPP, maximum likelihood bootstrap support values greater than 50% and Bayesian posterior probabilities above 90%. The placement of O. ponerus is indicated in red.
FIGURE 1 in A new entomopathogenic fungus, Ophiocordyceps ponerus sp. nov., from China
FIGURE 1. Ophiocordyceps ponerus (GZUIFR–2012xch03, holotype). a. The Infection ant specimen with long and black synnemata; b, c. Front and rear morphology of colonies formed on PDA medium after 20 d; d, e. SEM images showing the synnemata and whorled conidiophores; f, g. SEM images showing the phialides and conidia. Scale bars: a–c = 10 mm, d = 50 μm, e = 30 μm, f = 10 μm, g = 5 μm.
FIGURE 3 in Introducing Ophiocordyceps thanathonensis, a new species of entomogenous fungi on ants, and a reference specimen for O. pseudolloydii
FIGURE 3 Ophiocordyceps pseudolloydii (MFLU 16–2914, reference specimen). a Habitat of Ophiocordyceps pseudolloydii. b Ascostroma emerging from infected ant host. c Fertile head of ascostroma. d Vertical sections showing the completely embedded obliquely aligned perithecia. e Perithecia. f Peridium. g–i Immature to mature asci. j Asci in Indian ink. k Apical cap of ascus. l, m Secondary ascospore. n, o Culture on PDA medium, obverse and reverse view. Scale Bars: b, d–f = 1000 μm, c = 200 μm, g–j = 500 μm, k = 100 μm, l = 20 μm, m = 10 μm, n, o = 20 mm.
FIGURE 2 in Introducing Ophiocordyceps thanathonensis, a new species of entomogenous fungi on ants, and a reference specimen for O. pseudolloydii
FIGURE 2 Ophiocordyceps thanathonensis (MFLU 16–2908, holotype). a Habitat of Ophiocordyceps thanathonensis. b Ascostroma emerging from infected ants. c, d Overview of host. e Fertile head of ascostroma. f Vertical section of the stroma. g, h Ascomata. i Peridium. j–l Immature to mature asci. m Apical cap of asci. n Parts of ascospores. o–q Secondary ascospore. Scale Bars: d–f = 1000 μm, g = 500 μm, h = 200 μm, i–l = 100 μm, m = 10 μm, n = 20 μm, o–q = 5 μm.
FIGURE 1 in Introducing Ophiocordyceps thanathonensis, a new species of entomogenous fungi on ants, and a reference specimen for O. pseudolloydii
FIGURE 1. Phylogenetic tree of Ophiocordyceps thanathonensis and O. pseudolloydii generated from maximum likelihood analysis of ITS, SSU, LSU, RPB1, and TEF1α sequence data. Tolypocladium inflatum and T. ophioglossoides were used as outgroup taxa. Maximum likelihood bootstrap values greater than 75% and Bayesian posterior probabilities over 0.95 are indicated above the nodes. The new species were indicated in blue.he ex-types are indicated in bold. The pathogens of ants are marked with ant drawings.
FIGURE 4. Ophiocordyceps neonutans versus O in Ophiocordyceps neonutans sp. nov., a new neotropical species from O. nutans complex (Ophiocordycipitaceae, Ascomycota)
FIGURE 4. Ophiocordyceps neonutans versus O. nutans: (A, B) Brazilian specimens of O. neonutans; (C) Japanese specimens of Ophiocordyceps nutans (scale bar = 15 mm).
FIGURE 3 in Ophiocordyceps neonutans sp. nov., a new neotropical species from O. nutans complex (Ophiocordycipitaceae, Ascomycota)
FIGURE 3. Ophiocordyceps neonutans: (A) a specimen in the field, (B) enlarged head with (B*) brown ostioles, (C) perithecia, (D) mature ascus with ascospores, (E) fragmented part spores. (scale bar: A, B = 15 mm, C, D = 300 μm, E = 15 μm).
FIGURE 2. Barcode Gap analysis between Ophiocordyceps nutans and O in Ophiocordyceps neonutans sp. nov., a new neotropical species from O. nutans complex (Ophiocordycipitaceae, Ascomycota)
FIGURE 2. Barcode Gap analysis between Ophiocordyceps nutans and O. neonutans based on the intraspecific and interspecific distances based on ITS region. Each dot represents a pairwise comparison. All interspecific pairwise comparisons are plotted in the column "A" and all intraspecifc ones are plotted in the column "B" of the axis X. Genetic distances are plotted in the axis Y.
FIGURE 1. Phylogenetic relationship among Ophiocordyceps nutans, O in Ophiocordyceps neonutans sp. nov., a new neotropical species from O. nutans complex (Ophiocordycipitaceae, Ascomycota)
FIGURE 1. Phylogenetic relationship among Ophiocordyceps nutans, O. neonutans and other Ophiocordyceps species based on rDNA internal transcribed spacer (ITS) sequences. Consensus tree (MV) obtained from the heuristic search is presented. The trees generated by both phylogenetic searches (BPP and ML) showed similar topologies.
Figure 2 in A new entomopathogenic fungus, Ophiocordyceps xifengensis sp. nov., from Liaoning, China
Figure 2. Morphological characteristics of Ophiocordyceps xifengensis A thorax of nymphal host growing mature ascospores; B fertile part with infertile tip; C–E Perithecia arrangement; F Perithecia, G–H asci; I–J ascospores; K Colony obverse and reverse; L–N optical microscope images of the general morphology of conidiogenous cells and conidia(OM); O–Q Conidiogenous cells structure and conidia under scanning electron microscope(SEM). Scale bars: A=1cm; B–F=500μm; G–J=10μm; K=1cm; L–N=10 μm; O–Q, scale bars are shown in Fig, SEM.
Figure 1 in A new entomopathogenic fungus, Ophiocordyceps xifengensis sp. nov., from Liaoning, China
Figure 1. Phylogenetic analysis of Ophiocordyceps xifengensis and related species from the five genes dataset (nrLSU, nrSSU, tef–1α, rpb1, and ITS) based on ML and BI analyses. Statistical support values of BI posterior probabilities and ML bootstrap proportions (0.5/≥50%) are shown at the nodes.
FIGURE 2. Ophiocordyceps xuefengensis. A in Ophiocordyceps xuefengensis sp. nov. from larvae of Phassus nodus (Hepialidae) in Hunan Province, southern China
FIGURE 2. Ophiocordyceps xuefengensis. A. Overview of stroma and the host. B. Brown, superficial ascomata on stroma. C. Section of ascomata. D. Apical peridium. E. Basal peridium formed from stroma. F. Mature ascus with ascospores. G. Ascus cap. H, I. Hyaline and filliform ascospores with many septa. Scale bars: A = 20 mm, B = 0.5 mm, C = 100 µm, D, E = 50 µm, F, H = 40 µm, G = 10 µm, I = 20 µm.
FIGURE 1 in Ophiocordyceps xuefengensis sp. nov. from larvae of Phassus nodus (Hepialidae) in Hunan Province, southern China
FIGURE 1. Phylogenetic relationships among Ophiocordyceps xuefengensis and related species based on four genes (5.8S-ITS rDNA, nrSSU, EF-1α, RPB1) combination. Bootstrap values (1,000 replicates) are indicated above the nodes. Type species have an asterisk. The tree is rooted to Glomerella cingulata.
FIGURE 2 in Systematic analyses of Ophiocordyceps ramosissimum sp. nov., a new species from a larvae of Hepialidae in China
FIGURE 2. Ophiocordyceps ramosissimum (holotype) A. Overview of stroma and its host. B, C. Brown, superficial ascomata on stroma. D. Section of ascomata. E. Section of ascoma showing the peridium arrangement. F. Apical peridium. G. Side view of peridium. H. Mature asci with ascospores and branched paraphyses. I. Mature asci with ascospores, in cotton blue. J. Filiform ascospores with many septa, in cotton blue. Scale bars: D = 100 mm, E = 120 µm, F–G = 25 µm, H–I = 20 µm, J = 10 µm.
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