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15 results for “Fungal spores”
Data from: Global Spore Sampling Project: A global, standardized dataset of airborne fungal DNA
<p><span>Novel methods for sampling and characterizing biodiversity hold great promise for re-evaluating patterns of life across the planet. The sampling of airborne spores with a cyclone sampler, and the sequencing of their DNA, have been suggested as an efficient and well-calibrated tool for surveying fungal diversity across various environments. Here we present data originating from the Global Spore Sampling Project, comprising 2,768 samples collected during two years at 47 outdoor locations across the world. Each sample represents fungal DNA extracted from 24 m<sup>3</sup> of air. We applied a conservative bioinformatics pipeline that filtered out sequences that did not show strong evidence of representing a fungal species. The pipeline yielded 27,954 species-level operational taxonomic units (OTUs). Each OTU is accompanied by a probabilistic taxonomic classification, validated through comparison with expert evaluations. To examine the potential of the data for ecological analyses, we partitioned the variation in species distributions into spatial and seasonal components, showing a strong effect of the annual mean temperature on community composition.</span></p> <p><span>The database is organized in five datasets in a csv format (columns separated by commas): (1) metadata providing the location, date, and time for each sample, along with sequencing depth and other essential information (metadata.csv); (2) species-level OTU tables per sample describing the number of sequences assigned to each species (otu.table.csv 3); (3) taxonomic classification of each species-level OTU (taxonomy.csv); (4) closest matching sequences and their taxonomy for ASVs in putatively fungal pseudophyla, which are included in (2) and (3) (fungi_pseudophyla.csv); and (5) closest matching sequences and their taxonomy for ASVs in putatively non-fungal pseudophyla, which are not included in the other datasets (nonfungi_pseudophyla.csv). The first four datasets can be linked to each other using the unique sample codes and the unique identifiers for species-level OTUs. </span><span>The three first datafiles are also provided in allData.RData which can be read into R as load("allData.RData").</span></p>
Functional, temporal, and spatial complementarity in mammal-fungal spore networks enhances mycorrhizal dispersal following forest harvesting
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Data from: Climate-linked biogeography of mycorrhizal fungal spore traits
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Data from: AM fungal spore communities and networks demonstrate host-specific variation throughout the growing season
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Effect of nanoclay on spread of common staining fungal spores (Aspergillus niger and Penicillium spp.) on the surface of medium density fibreboards
<p>Studies on the effect of nanoclay, impregnated into MDFs, on the mycological activity were conducted. The study attempted to optimise the nanoclay loading and processing parameters to ensure effective retardation of mycological attack from staining fungi <em>Penicillium spp.</em> and <em>Aspergillus niger</em>.</p>
Figure 2 in Fungal spore-feeding by adult and larval Mecynothrips hardyi (Priesner) (Thysanoptera: Phlaeothripidae: Idolothripinae)
Figure 2. (A) Spores of Dothiorella thripsita within the fruiting body (pycnidia) on incubated dead petioles of brigalow; (B) sclerotized proventriculus (arrowed) seen through thorax of slide mounted Mecynothrips hardyi; (C) scanning electron microscope (SEM) image of dissected proventriculus with surrounding rings of muscular tissue; (D) SEM image of the thick cell walled D. thripsita spore; (E) SEM image of the internal surface of the sclerotized proventriculus showing interlocking plates covered with serrated ridges.
Figure 1 in Fungal spore-feeding by adult and larval Mecynothrips hardyi (Priesner) (Thysanoptera: Phlaeothripidae: Idolothripinae)
Figure 1. Mecynothrips hardyi. (A) Adults showing sexual polymorphism; left, female; centre, small male; right, larger male with enlarged fore femora (scale bar = 1mm); (B) egg cluster two days old on dead brigalow leaf guarded by adult M. hardyi; (C) first and second instar larvae of M. hardyi with old egg cases and exuviae; (D) adult M. hardyi apparently foraging on dead brigalow petioles; (E) whole and partially digested spores of Dothiorella thripsita in M. hardyi adult midgut; (F) gut dissection showing spores in adult M. hardyi midgut (top right) and digested material in hindgut (bottom left).
Spore traits mediate disturbance effects on AM fungal community composition and mutualisms
<p>Trait-based approaches in ecology are powerful tools for understanding how organisms interact with their environment. These approaches show particular promise in disturbance and community ecology contexts for understanding how disturbances like prescribed fire and bison grazing influence interactions between mutualists like AM fungi and their plant hosts. In this work, we examined how disturbance effects on AM fungal spore community composition and mutualisms were mediated by selection for specific functional spore traits at both the species and community level. We tested these questions by analyzing AM fungal spore communities and traits from a frequently burned and grazed (bison) tallgrass prairie system and using these spores to inoculate a plant growth response experiment. Selection for darker, pigmented AM fungal spores, changes in the abundance and volume of individual AM fungal taxa, and altered sporulation, were indicators of fire and grazing effects on AM fungal community composition. Disturbance-associated changes in AM fungal community composition were then correlated with altered growth responses of <em>Schizachyrium scoparium</em> grass. Our work shows that utilization of trait-based approaches in ecology can clarify the mechanisms that underly belowground responses to disturbance, and provide a useful framework for understanding interactions between organisms and their environment.</p>
FIGURE 7. Phialide and spores SEM. A in Description of a novel termite ectoparasite, Termitaria hexasporodochia sp. nov. (Kathistaceae), presenting an unusual six-sectioned infestation, and a key to the fungal family Kathistaceae
FIGURE 7. Phialide and spores SEM. A. internal surface of the hymenial phialide, with dense minute filamentous coating B. Sporogenous structure prior to endogenous division at conidiogenous loci. C. Rectangular, catenate conidial spores located beyond the conidiogenous locus indicated by arrow. Scale bars: A—500 nm, B—3.0 μm, C—2 μm. Photographed by Steve Davis.
Data from: Quantification of population sizes of large herbivores and their long-term functional role in ecosystems using dung fungal spores
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Spore traits mediate disturbance effects on AM fungal community composition and mutualisms
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Data from: Characterizing aeroallergens by infrared spectroscopy of fungal spores and pollen
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Comparative transcriptomics of infectious spores from the fungal pathogen Histoplasma capsulatum
GEO Series GSE45432. Histoplasma capsulatum. 15 samples. Type: Expression profiling by array.
Comparative transcriptomics of infectious spores from the fungal pathogen Histoplasma capsulatum G217B
GEO Series GSE45415. Histoplasma capsulatum. 8 samples. Type: Expression profiling by array.
Comparative transcriptomics of infectious spores from the fungal pathogen Histoplasma capsulatum G186AR
GEO Series GSE45416. Histoplasma capsulatum. 7 samples. Type: Expression profiling by array.
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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.