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167 results for “Puccinia”
FIGURE 2 in Austropuccinia: a new genus name for the myrtle rust Puccinia psidii placed within the redefined family Sphaerophragmiaceae (Pucciniales)
FIGURE 2. Positions of the Austropuccinia psidii samples (as Puccinia psidii) from several Myrtaceae within Sphaerophragmiaceae. Species assigned formerly to Sphaerophragmiaceae in Cummins & Hiratsuka (1983) are indicated by the arrowheads. The Myrtaceae rust P. cygnorum is indicated by the asterisk. Maximum-likelihood analysis with RAxML version 7.2.6 recovered from ITS-LSU sequence data. Numbers at nodes indicate RAxML bootstrap support, GenBank accession numbers of ITS-LSU in parentheses.
FIGURE 1 in Austropuccinia: a new genus name for the myrtle rust Puccinia psidii placed within the redefined family Sphaerophragmiaceae (Pucciniales)
FIGURE 1. Position of the new genus Austropuccinia (as Puccinia, indicated by the black bar) within Pucciniales and Sphaerophragmiaceae. The various septation types of teliospores are indicated by pictograms (see legend). Species assigned formerly to Sphaerophragmiaceae in Cummins & Hiratsuka (1983) are indicated by the arrowheads. Maximum-likelihood analysis with RAxML version 7.2.6 recovered from combined LSU-SSU sequence data. Numbers at nodes indicate RAxML bootstrap support, GenBank accession numbers of LSU/SSU in parentheses.
FIGURE 1. Puccinia neovelutina. A. Telial host, Carex lenta. B in Puccinia neovelutina nom. nov., a replaced name for Aecidium elaeagni and its new aecial host from Japan
FIGURE 1. Puccinia neovelutina. A. Telial host, Carex lenta. B. Telia on C. lenta. C. Teliospores. D. Spermogonia and aecia on Elaeagnus umbellata var. rotundifolia. E. Aecia on E. umbellata var. rotundifolia. F. Vertical section of an aecium on E. umbellata var. rotundifolia. G. Aeciospore with verrucae observed by SEM. H. Vertical section of a spermogonium on E. umbellata var. rotundifolia. I. Aeciospores. J. Basidium produced by germination of a teliospore. K. Aecium on E. umbellata var. rotundifolia observed by SEM. L. Telium on C. lenta observed by SEM. Bars: C, K = 30 μm, F, L = 50 μm, G, H = 10 μm, I, J = 5 μm.
FIGURE 2. A−E in Puccinia on Ipomoea (Convolvulaceae) in Neotropics
FIGURE 2. A−E. Puccinia hyalostrata (Holotype). A. Peridium. B−C. Urediniospores. B. Median focus. C. Surface focus. D−E. Teliospores. D. Median focus. E. Surface focus. F−H. P. ibrae. F−G. Urediniospores. F. Median focus. G. Surface focus; H. Teliospores in median focus. I−J. P. insignis (Holotype). I. Teliospores on median focus; above and left, peridium. J. Surface focus. K−M. P. iporangae (Holotype). K−L. Urediniospores. K. Median focus. L. Suface focus. M. Teliospores. Bars: A−I, M=20μm; K-L, J =10μm.
FIGURE 3. A−C in Puccinia on Ipomoea (Convolvulaceae) in Neotropics
FIGURE 3. A−C. Puccinia jalapensis (Holotype). A−B. Urediniospores. A. Median focus. B. Surface focus. C. Line drawing of Teliospores. D−F. P. megalospora (Holotype). D−E. Urediniospores. D. Median focus. E. Surface focus. F. Teliospores. G−H. P. nocticolor (Paratype). G. Urediniospores in median focus above and in surface focus below. H. Teliospores in median focus above and in surface focus below. Bars: A−C, G=10 μm; D−F, H=20 μm.
FIGURE 4. A−C. P in Puccinia on Ipomoea (Convolvulaceae) in Neotropics
FIGURE 4. A−C. P. opulentissima (Holotype). A. Urediniospores in median and surface focus. B−C. Teliospores. B. Median focus. C. Surface focus. D−H. P. rubicunda (Isotype). D. Peridium. E−F. Urediniospores. E. Median focus. F. Surface focus. G−H. Teliospores. G. Median focus. H. Surface focus. I−L. Puccinia superflua (Isotype). I−J. Urediniospores. I. Median focus. J. Surface focus. K−L. Teliospores. K. Median focus. L. Surface focus. Bars: A−C, I−J=10 μm; D−H, K−L=20 μm.
FIGURE 1. A−D. P in Puccinia on Ipomoea (Convolvulaceae) in Neotropics
FIGURE 1. A−D. P. crassipes (Holotype). A−B. Urediniospores. A. Median focus. B. Surface focus. C−D. Teliospores. C. Median focus. D. Surface focus. E−I. P. cuasoensis (Holotype). E. Peridium. F−G. Urediniospores. F. Median focus. G. Surface focus. H−I. Teliospores: H. Median focus. I. Surface focus. J−N. Puccinia distinguenta (Holotype). J. Peridium. K−L. Urediniospores. K. Median focus. L. Surface focus. M−N. Teliospores. M. Median focus. N. Surface focus. Bars: A−D, J−N=20μm; E−I=10μm.
Haplotype-based genome-wide association increases the predictability of leaf rust (Puccinia triticina) resistance in wheat
<p></p><p>Resistance breeding is crucial for a sustainable control of wheat leaf rust and SNP-based genome-wide association studies (GWAS) are widely used to dissect leaf rust resistance. Unfortunately, GWAS based on SNPs explained often only a small proportion of the genetic variation. We compared SNP-based GWAS with a method based on functional haplotypes (FH) considering epistasis in a comprehensive hybrid wheat mapping population composed of 133 parents plus their 1,574 hybrids and characterized with 626,245 high-quality SNPs. In total, 2,408 and 1,139,828 significant associations were detected in the mapping population by using SNP-based and FH-GWAS, respectively. These associations mapped to 25 and 69 candidate regions, correspondingly. SNP-based GWAS highlighted two already-known resistance genes, i.e. Lr22a and Lr34-B, while FH-GWAS not only detected associations on these genes but also on two additional genes, i.e. Lr10 and Lr1. As revealed by a second hybrid wheat population for independent validation, using detected associations from SNP-based and FH-GWAS reached predictabilities of 11.72% and 22.86%, respectively. Therefore, FH-GWAS is not only more powerful to detect associations, but also improves the accuracy of marker-assisted selection as compared to the SNP-based approach.</p><p></p>
Haplotype-based genome-wide association increases the predictability of leaf rust (Puccinia triticina) resistance in wheat
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Data from: Inferring the contribution of sexual reproduction, migration and off-season survival to the temporal maintenance of microbial populations: a case study on the wheat fungal pathogen Puccinia striiformis f.sp. tritici
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Data from: Rust disease of eucalypts, caused by Puccinia psidii, did not originate via host jump from guava in Brazil
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Supplemental figures for the Puccinia striiformis f. sp. tritici DK0911 genome publication
<p>These are supplemental figures for the Puccinia striiformis f. sp. tritici DK0911 genome publication. This dataset is associated with the publication "Distinct life histories impact dikaryotic genome evolution in the rust fungus Puccinia striiformis causing stripe rust in wheat", the Bioproject accession number PRJNA588102, and 10.5281/zenodo.3556840. </p> <p>Update 20200212:</p> <p>We now added the updated Supplemental Figures (Supplemental_figures_DK0911_revision_01.tar.gz) which are part of the first revisions of this manuscript.</p> <p>Preprint:</p> <p>https://www.biorxiv.org/content/10.1101/859728v1</p>
Puccinia thalictri-distichophylli
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Puccinia veronicarum
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Puccinia farinosa
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FIGURE -. (Continued) in Phylogenetic approach for identification and life cycles of Puccinia (Pucciniaceae) species on Poaceae from northeastern China
FIGURE -. (Continued)
FIGURE -. (Continued) in Phylogenetic approach for identification and life cycles of Puccinia (Pucciniaceae) species on Poaceae from northeastern China
FIGURE -. (Continued)
FIGURE -. (Continued) in Phylogenetic approach for identification and life cycles of Puccinia (Pucciniaceae) species on Poaceae from northeastern China
FIGURE -. (Continued)
Figure 3 from: Aime MC, Abbasi M (2018) Puccinia modiolae in North America: distribution and natural host range. MycoKeys 39: 63-73. https://doi.org/10.3897/mycokeys.39.27378
Figure 3 Teliospores of Pucciniamodiolae: A–B on Modiolacaroliniana (Lectotype PUR N6057) C on M.caroliniana (PUR N12041) D on M.caroliniana (PUR N12040) E on M.caroliniana (PUR N12550); F on M.caroliniana (PUR N12552) G on Alcearosea (PUR N12039). Scale bars: 10 µm.
Figure 4 from: Aime MC, Abbasi M (2018) Puccinia modiolae in North America: distribution and natural host range. MycoKeys 39: 63-73. https://doi.org/10.3897/mycokeys.39.27378
Figure 4 Pucciniamodiolae on Modiolacaroliniana (PUR N12551) A Spermogonium in connection with telium B Spermogonia with mass of spermatia on top. Scale bars: 25 µm.
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.