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26 results for “Pseudopestalotiopsis”
FIGURE 1 in Pseudopestalotiopsis gilvanii sp. nov. and Neopestalotiopsis formicarum leaves spot pathogens from guarana plant: a new threat to global tropical hosts
FIGURE 1. Phylogenetic relationship in Pseudopestalotiopsis inferred with concatenated sequences of ITS, tub2 and tef1-α, showing the placement Pseudopestalotiopsis gilvanii. The tree topology was generated by the ML analysis and bootstrap values for maximum parsimony (MP), maximum likelihood (ML), and posterior probability (PP) analyses are presented at the branches (MP/ML/PP). Isolates from this study are highlighted in blue.
FIGURE 4 in Pseudopestalotiopsis gilvanii sp. nov. and Neopestalotiopsis formicarum leaves spot pathogens from guarana plant: a new threat to global tropical hosts
FIGURE 4. Nucleotides differences in the ITS, tef1-α and tub2 sequences of Pseudopestalotiopsis gilvanii and closely related species. Ten nucleotides up and downstream to the nucleotide variation are in light green.
FIGURE 3 in Pseudopestalotiopsis gilvanii sp. nov. and Neopestalotiopsis formicarum leaves spot pathogens from guarana plant: a new threat to global tropical hosts
FIGURE 3. Pseudopestalotiopsis gilvanii (strain INPA 2913), aspects of colonies in PDA (A), aspects of conidia (B) and scanning electron microscopy of conidia (C). Neopestalotiopsis formicarum (strain INPA 2916), aspects of colonies in PDA (D), aspects of conidia (E) and scanning electron microscopy of conidia (F).
FIGURE 2 in Pseudopestalotiopsis gilvanii sp. nov. and Neopestalotiopsis formicarum leaves spot pathogens from guarana plant: a new threat to global tropical hosts
FIGURE 2. Phylogenetic relationship in Neopestalotiopsis inferred with concatenated sequences of ITS, tub2 and tef1- α. The tree topology was generated by the ML analysis and bootstrap values for maximum parsimony (MP), maximum likelihood (ML), and posterior probability (PP) analyses are presented at the branches (MP/ML/PP). Isolates from this study are highlighted in yellow.
FIGURE 6 in Pseudopestalotiopsis gilvanii sp. nov. and Neopestalotiopsis formicarum leaves spot pathogens from guarana plant: a new threat to global tropical hosts
FIGURE 6. Leaf spot symptoms on tropical plants inoculated with Pseudopestalotiopsis gilvanii and Neopestalotiopsis formicarum, under greenhouse conditions. Presence of symptoms noticed on açaí palms (Euterpe oleraceae and E. precatoria), oil palm (Elaeis guineenses). Banana (Musa paradisiaca) displayed symptoms for N. formicarum but not for Ps. gilvanii. Absence of symptoms on rubber trees (Hevea brasiliensis). Uninoculated plants were employed as control.
FIGURE 3 in Two new Pseudopestalotiopsis species isolated from Celtis sinensis and Indocalamus tessellatus plants in southern China
FIGURE 3. Pseudopestalotiopsis indocalami (GUCC 21600). a, b, c. Leaf spots on Indocalamus tessellatus. d, e. Culture on PDA (dabove, e-reverse). f. Colony sporulating on PDA. g–h. Conidia and conidiophores. i–m. Conidia. Scale bars: f = 1000 µm, g–m = 20 µm
FIGURE 2 in Two new Pseudopestalotiopsis species isolated from Celtis sinensis and Indocalamus tessellatus plants in southern China
FIGURE 2. Pseudopestalotiopsis celtidis (GUCC 21599). a, b. Leaf spots on Celtis sinensis. c, d. Culture on PDA (d-above, e-reverse). e. Colony sporulating on PDA. f–g. Conidia and conidiophores. h–l. Conidia. Scale bars: e = 1000 µm, f–l = 20 µm.
FIGURE 1 in Two new Pseudopestalotiopsis species isolated from Celtis sinensis and Indocalamus tessellatus plants in southern China
FIGURE 1. Maximum parsimony (MP) tree of Pseudopestalotiopsis based on combined datasets of ITS, tub2 and tef1 sequences. MP and maximum likelihood bootstrap values ≥50%, Bayesian posterior probabilities ≥0.90 (MPBS/MLBS/PPBY) are given below and above the nodes. Our strains in this study are in red. Ex-type strains are marked by T.
FIGURE 1 in A new cryptic species of Pseudopestalotiopsis from Taiwan
FIGURE 1. RAxML tree constructed on a combined dataset of ITS, TEF1 and TUB sequence data from 34 strains. Bootstrap support values for maximum likelihood and maximum parsimony greater than 70% and BP greater than 0.90 are given below and above the nodes. Neopestalotiopsis clavispora (MFLUCC12-0281) is the out group taxon. The original isolate numbers are noted after the species names and the new species are in bold.
FIGURE 2. a in A new cryptic species of Pseudopestalotiopsis from Taiwan
FIGURE 2. a. Conidioma sporulating on PNA. b. Conidioma on WA. c–d. Conidiogenous cells. e–j. Conidia. Scale bars: c, e–j=10 μm; d=5 μm.
Fig. 5 in Phytotoxic meroterpenoids with herbicidal activities from the phytopathogenic fungus Pseudopestalotiopsis theae
Fig. 5. Phytotoxic effects of different metabolites on seed germination and seedling growth of S. viridis in Petri dishes of experiment: (a) control; (b) 1; (c) 2; (d) 3; (e) 4; (f) 8.
Fig. 3 in Prenylated cyclohexene-type meroterpenoids and sulfur-containing xanthones produced by Pseudopestalotiopsis theae
Fig. 3. Mosher model for (methoxyphenyl)acetic acid MPA ester and Δδ (δR – δS) values (in ppm) derived from the chemical shifts of the (R)-MPA and (S)-MPA esters of 1A.
Fig. 6 in Prenylated cyclohexene-type meroterpenoids and sulfur-containing xanthones produced by Pseudopestalotiopsis theae
Fig. 6. Experimental ECD spectrum of 3 measured in MeCN compared with the Boltzmann-weighted PBE0/TZVP PCM/MeCN ECD spectrum of (1R,2R,3S,4S)-3 computed for the ωB97X/TZVP PCM/MeCN conformers. Bars represent the rotational strength values of the lowest-energy conformer.
Fig. 4 in Phytotoxic meroterpenoids with herbicidal activities from the phytopathogenic fungus Pseudopestalotiopsis theae
Fig. 4. Experimental and calculated ECD spectra of 1–4 and 8.
Fig. 7 in Phytotoxic meroterpenoids with herbicidal activities from the phytopathogenic fungus Pseudopestalotiopsis theae
Fig. 7. Symptoms of 1–4 and 8 against the weed seeding growth of S. viridis.
Fig. 3 in Phytotoxic meroterpenoids with herbicidal activities from the phytopathogenic fungus Pseudopestalotiopsis theae
Fig. 3. Key NOE correlations of 1–5 and 8.
Fig. 6 in Phytotoxic meroterpenoids with herbicidal activities from the phytopathogenic fungus Pseudopestalotiopsis theae
Fig. 6. Effect of different specialized metabolites on seed germination of S. viridis.
Fig. 1 in Phytotoxic meroterpenoids with herbicidal activities from the phytopathogenic fungus Pseudopestalotiopsis theae
Fig. 1. Chemical structures of 1–8.
Fig. 2. Key 1H–1H in Phytotoxic meroterpenoids with herbicidal activities from the phytopathogenic fungus Pseudopestalotiopsis theae
Fig. 2. Key 1H–1H COSY, and HMBC correlations of 1–5 and 8.
Fig. 7. 1H–1H in Prenylated cyclohexene-type meroterpenoids and sulfur-containing xanthones produced by Pseudopestalotiopsis theae
Fig. 7. 1H–1H COSY (bold) and selected HMBC (plain) correlations of 3–5.
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