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71 results for “powdery mildew”
Species‑specific influence of powdery mildew mycelium on the efficiency of PM accumulation by urban greenery - Data
<p>Dataset of article: Przybysz, A., Nawrocki, A., Mirzwa-Mróz, E. <em>et al.</em> Species-specific influence of powdery mildew mycelium on the efficiency of PM accumulation by urban greenery. <em>Environ Sci Pollut Res</em> (2023). https://doi.org/10.1007/s11356-023-28371-6</p>
Supporting data and code for: Demographic and genetic impacts of powdery mildew in a young oak cohort
<p>This is a new release following the submission of the related PCI recommended manuscript to the <em>Annals of Forest Science</em> journal. It contains the necessary scripts to produce most of the analyses and figures of the manuscript. Apart from minor modifications following the recommendation in '<em>PCI Forest and Wood Sciences</em>', the main change is the addition of an extra dataset "Data_S2.txt" to the additional datasets. This dataset was previously included as a table in the 'supplementary material' file.</p>
Supplementary file for the manuscript entitled: Demographic and genetic impacts of powdery mildew in a young oak cohort
<p>Barres et al 2023 Supplementary material-vf.pdf: supplementary material file for the related article</p>
Trinity assembly of Powdery mildew of Grapevine lesion samples from Italy PMG
<p>De novo trinity assembly powdery mildew of grapevine from NGS data (RNAseq)</p>
Barley endosomal MONENSIN SENSITIVITY1 is a target of the powdery mildew effector CSEP0162 and plays a role in plant immunity
<p><span>Encasements formed around haustoria and biotrophic hyphae as well as hypersensitive reaction (HR) cell death are essential plant immune responses to filamentous pathogens. In this study we examine the components that may contribute to the absence of these responses in susceptible barley attacked by the powdery mildew fungus. We find that the effector CSEP0162 from this pathogen targets plant MONENSIN SENSITIVITY1 (MON1), which is important for the fusion of multivesicular bodies to their target membranes. Overexpression of CSEP0162 and silencing of barley MON1 both inhibit encasement formation. We find that the Arabidopsis ecotype No-0 has resistance to powdery mildew, and that this is partially dependent on MON1. Surprisingly, we find the MON1-dependent resistance in No-0 not only includes an encasement response, but also an effective HR. Similarly, silencing of MON1 in barley also blocks Mla3-mediated HR-based powdery mildew resistance. Our results indicate that MON1 is a vital plant immunity component, and we speculate that the barley powdery mildew fungus introduces the effector CSEP0162 to target MON1 and hence reduces encasement formation and HR.</span></p>
Barley endosomal MONENSIN SENSITIVITY1 is a target of the powdery mildew effector CSEP0162 and plays a role in plant immunity
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FIGURE 3 in A new species of Podosphaera sect. Sphaerotheca subsect. Sphaerotheca from India-first report of powdery mildew causing wilting and ultimately death of leaves of Filipendula vestita
FIGURE 3. Microphotographs of fruiting bodies of Podosphaera filipendulensis (AMH 9934, holotype) a. Initial stage of developing cleistothecium (homogenious cells). b. Mature cleistothecium. c. Pseudoparenchymatous nature of wall of cleistothecium. d–g. Ruptured cleistothecia each releasing an ascus. h, i. Appendages on the surface of cleistothecia. Scale bars: a = 25 μm, b = 40 μm, c = 20 μm, d = 50 μm, e = 40 μm, f, g = 30 μm, h, i = 20 μm.
FIGURE 4 in A new species of Podosphaera sect. Sphaerotheca subsect. Sphaerotheca from India-first report of powdery mildew causing wilting and ultimately death of leaves of Filipendula vestita
FIGURE 4. Microphotographs of asci of Podosphaera filipendulensis (AMH 9934, holotype) a, b. Fully mature ascus. c, d. Ruptured asci releasing ascospores (arrows for ruptured oculi). e. Ascospores. Scale bars: a = 25 μm, b = 30 μm, c, d = 25 μm, e = 15 μm.
FIGURE 2 in A new species of Podosphaera sect. Sphaerotheca subsect. Sphaerotheca from India-first report of powdery mildew causing wilting and ultimately death of leaves of Filipendula vestita
FIGURE 2. Photographs of fruiting body of Podosphaera filipendulensis on the surface of infected leaf (AMH 9934, holotype) a. Cleistothecia (arrows) in between leaf trichomes. b–f. Cleistothecia with appendages. Scale bars: b, c = 60 μm, d = 30 μm, e = 25 μm, f = 30 μm.
FIGURE 1 in A new species of Podosphaera sect. Sphaerotheca subsect. Sphaerotheca from India-first report of powdery mildew causing wilting and ultimately death of leaves of Filipendula vestita
FIGURE 1. Symptoms on Filipendula vestita a. Host plants in natural habitat. b. Wilting and drying symptom in upper younger leaves. c. Symptom on lower surface of leaf. d. Black cleistothecia on the lower surface of leaf. e. Symptom on upper surface of leaf. f. Heavily infected lower leaf surface. Scale bars: c, d = 5 mm, e = 10 mm, f = 5 mm.
A kinase fusion protein from Aegilops longissima confers resistance to wheat powdery mildew
<p>Many disease resistance genes have been introgressed into wheat from its wild relatives. However, reduced recombination within the introgressed segments hinders cloning of the introgressed genes. Here, we report the identification of wheat powdery mildew resistance gene <em>Pm13</em> originated from from <em>Aegilops longissima</em> using a method combining physical mapping with radiation-induced chromosomal aberrations and transcriptome sequencing analysis of ethyl methanesulfonate (EMS)-induced loss-of-function mutants. <em>Pm13</em> encodes a kinase fusion protein, designated MLKL-K, with an N-terminal domain of mixed lineage kinase domain-like protein (MLKL_NTD domain) and a C-terminal serine/threonine kinase domain bridged by a brace. The resistance function of <em>Pm13</em> is validated by transient and stable transgenic complementation assays. Transient over-expression analyses in <em>Nicotiana benthamiana</em> leaves and wheat protoplasts reveal that the fragment Brace-Kinase<sub>122-476</sub> of MLKL-K is capable of inducing cell death, which is dependent on a functional kinase domain and the three α-helices in the brace region close to the N-terminus of the kinase domain.</p>
Wheat Powdery Mildew Image Dataset
<p>The dataset consists of wheat leaf images collected using a mobile phone, specifically focused on capturing diseased areas. These images are annotated with labels indicating the presence of diseases, suitable for training and testing a YOLO (You Only Look Once) object detection model. The labeled dataset aims to enable the model to accurately identify and classify diseased regions in similar images.</p> <h2>Description of the data and file structure</h2> <h4>1. Images Folder:</h4> <ul> <li> <p>Structure: The Images folder contains three subfolders: train, test, and val. Each subfolder contains image files in formats such as JPEG or PNG.</p> </li> <ul> <li> <p>train: Contains images used for training the YOLO model.</p> </li> <li> <p>test: Contains images used for testing the model's performance.</p> </li> <li> <p>val: Contains images used for validating the model during training, helping to tune hyperparameters and prevent overfitting.</p> </li> </ul> </ul> <h4>2. Labels Folder:</h4> <ul> <li> <p>Structure: The Labels folder mirrors the structure of the Images folder, with subfolders named train, test, and val. Each subfolder contains YOLO-format label files.</p> </li> <ul> <li> <p>train: Contains label files corresponding to the training images.</p> </li> <li> <p>test: Contains label files for the testing images.</p> </li> <li> <p>val: Contains label files for the validation images.</p> </li> </ul> </ul> <h4>3. YOLO Label Format:</h4> <ul> <li> <p>Contents: Each label file corresponds to an image and contains information in the YOLO format, which includes:</p> </li> <ul> <li> <p>Class ID: An integer representing the class label (e.g., a specific disease).</p> </li> <li> <p>Bounding Box Coordinates: Four numbers representing the center x, center y, width, and height of the bounding box, all normalized between 0 and 1.</p> </li> <li> <p>File Naming Convention: The label files are named identically to their corresponding images, except for the file extension (e.g., image1.jpg and image1.txt).</p> </li> </ul> </ul> <h4>4. Usage and Application:</h4> <ul> <li> <p>Model Training and Validation: The dataset can be used to train and validate YOLO object detection models. The clear separation into train, test, and validation sets supports robust model evaluation and helps prevent data leakage.</p> </li> <li> <p>Model Testing: The test set is used to evaluate the model's performance on unseen data, providing an unbiased measure of its generalization capability.</p> </li> <li> <p>Model Tuning: The validation set helps fine-tune model parameters and assess performance during the training process.</p> </li> </ul>
FIGURE 3 in Powdery mildew caused by Erysiphe lespedezae (including Pseudoidium caesalpiniacearum, syn. nov.) on Bauhinia blakeana and B. purpurea in China
FIGURE 3. Phylogenetic relationships between Erysiphe lespedezae on Bauhinia blakeana and B. purpurea, including Pseudoidium caesalpiniacearum, and some reference data retrieved from GenBank, inferred by the Maximum likelihood (ML) and Bayesian inference (BI) methods using the combined ITS and 28S rDNA sequences. Isolates in this study and type material (HAL 1430) are shown in bold. The RAxML bootstrap support values (MLBS)>50% and Bayesian posterior probabilities (BPP)>0.90 are given at the nodes (MLBS/ BPP). Some branches were shortened to fit them to the page, and these are indicated by two diagonal lines with the number of times a branch was shortened indicated next to the lines. Scale bar indicates the number of substitutions per site.
FIGURE 2 in Powdery mildew caused by Erysiphe lespedezae (including Pseudoidium caesalpiniacearum, syn. nov.) on Bauhinia blakeana and B. purpurea in China
FIGURE 2. Erysiphe lespedezae on Bauhinia purpurea (HMUT 7042). A–C, Conidiophores; D, Conidia; E–F, Hypha with appressoria (arrows); G–H, Conidia with a short false chain (arrows). Bar: A–F= 20 μm; G–H= 40 μm.
FIGURE 1 in Powdery mildew caused by Erysiphe lespedezae (including Pseudoidium caesalpiniacearum, syn. nov.) on Bauhinia blakeana and B. purpurea in China
FIGURE 1. Symptoms of powdery mildew on Bauhinia blakeana and B. purpurea, caused by Erysiphe lespedezae. A, On flower buds of B. blakeana; B, On flower buds of B. purpurea; C, On fruit of B. purpurea; D–E, On leaves of B. blakeana.
FIGURE 4 in A new species of the elm powdery mildew species complex (Erysiphaceae) on Chinese elm (Ulmus parvifolia) in East Asia segregated from Erysiphe ulmi
FIGURE 4. Erysiphe ulmi from Ulmus sp., Germany (R. Kirschner 4674). a Hyphae and appressoria. b Conidiophores. c Conidia, surface ornamentation indicated in the left conidium. d Germinating conidia. e, f Appendages of ascoma. g Ascus. h Ascospores. Scale bars: a, f = 10 μm, others = 20 μm.
FIGURE 3 in A new species of the elm powdery mildew species complex (Erysiphaceae) on Chinese elm (Ulmus parvifolia) in East Asia segregated from Erysiphe ulmi
FIGURE 3. Teleomorph of Erysiphe parvifoliae on Ulmus parvifolia (R. Kirschner 4572). a Squashed ascoma with appendages. b Two appendages of ascoma. c Four asci exposed from a squashed ascoma. d Ascospores. Scale bars: 50 µm.
FIGURE 2 in A new species of the elm powdery mildew species complex (Erysiphaceae) on Chinese elm (Ulmus parvifolia) in East Asia segregated from Erysiphe ulmi
FIGURE 2. Erysiphe parvifoliae on Ulmus parvifolia (R. Kirschner 4572). a Powdery mildew symptoms on leaves. b Hyphae and appressoria. c Conidiophores. d Conidia, surface ornamentation indicated in the right conidium. e Germinating conidium. Scale bars: a = 10 µm, others = 20 µm.
FIGURE 1 in A new species of the elm powdery mildew species complex (Erysiphaceae) on Chinese elm (Ulmus parvifolia) in East Asia segregated from Erysiphe ulmi
FIGURE 1. Unrooted maximum likelihood tree showing estimated relationships of Erysiphe parvifoliae among closely related species based on ITS sequences. Erysiphe ulmariae served as outgroup. Bootstrap values above 60% (1,000 replicates) indicated at the nodes.
FIGURE 2. A., B in Erysiphe machilicola: a new powdery mildew species on Duthie's Bay Tree
FIGURE 2. A., B. Leaves of Machilus duthiei infected by Erysiphe machilicola. C. Chasmothecia of E. machilicola. D. Chasmothecium, E. ChasmOthecial appendages, F. AscUs with ascOspOres, G. AppressOriUm shOwn by arrOw, H‒I. COnidia, J. COnidiOphOre. Scale bars: A = 2 cm, B = 2 cm, D = 30 µm, E = 30 µm F = 15 µm, G = 10 µm, H‒I = 15 µm, J = 30 µm.
ScienceDex guides
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Allen Brain Atlas
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
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.