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2,315 results for “Comparative analysis”
Fig. 26 in Dorsolateral head muscles of the catfish families Nematogenyidae and Trichomycteridae (Siluriformes: Loricarioidei): comparative anatomy and phylogenetic analysis
Fig. 26. Dorsal view of right anterior region of head of Ochmacanthus flabelliferus (Stegophilinae), LIRP 7439 (33.0 mm SL). Arrow indicates attachment ofA2' section of adductor mandibulae to buccopalatal membrane.
Fig. 17 in Dorsolateral head muscles of the catfish families Nematogenyidae and Trichomycteridae (Siluriformes: Loricarioidei): comparative anatomy and phylogenetic analysis
Fig. 17. Medial view of left adductor mandibulae and attached lower jaw of Microcambeva ribeirae (Sarcoglanidinae), MZUSP 65764 (41.8 mm SL).
Fig. 20 in Dorsolateral head muscles of the catfish families Nematogenyidae and Trichomycteridae (Siluriformes: Loricarioidei): comparative anatomy and phylogenetic analysis
Fig. 20. Left lateral view of head of Tridentopsis pearsoni (Tridentinae), MZUSP 38671 (18.3 mm SL).
Fig. 24 in Dorsolateral head muscles of the catfish families Nematogenyidae and Trichomycteridae (Siluriformes: Loricarioidei): comparative anatomy and phylogenetic analysis
Fig. 24. Posterior view of left adductor mandibulae and attached lower jaw of Haemomaster venezuelae (Stegophilinae), LIRP 7438 (36.9 mm SL).
Fig. 9 in Comparative analysis of spermiogenesis and sperm ultrastructure in Callichthyidae (Teleostei: Ostariophysi: Siluriformes)
Fig. 9. Spermatozoa of Megalechis thoracata. a) Longitudinal section. b and c) Nucleus in cross sections. d) Detail of centriolar arrangement. e to j) Midpiece in longitudinal and transverse sections showing mitochondria, elongated vesicles, and cytoplasmic channel. k and l) Flagellum in longitudinal and cross sections. (a to e, h) X 17000; (f, i, j) X 18400; (g) X 11925; (k) X 23000; (l) X 13950. D: distal centriole; E: electron-dense structure; F: flagellum; N: nucleus; P: proximal centriole; V: vesicles; Asterisk: mitochondria, Arrow: cytoplasmic channel.
Fig. 8 in Comparative analysis of spermiogenesis and sperm ultrastructure in Callichthyidae (Teleostei: Ostariophysi: Siluriformes)
Fig. 8. Spermatozoa of Hoplosternum littorale. a) Spermatozoon in longitudinal section. b and c) Nucleus in cross sections. d) Detail of centriolar arrangement. e to j) Midpiece in longitudinal and transverse sections showing mitochondria, elongated vesicles, and cytoplasmic channel. k) Flagellum in longitudinal section. j-inset) Flagellum in cross section showing classical (9+2) axoneme. (a, b, h) X 17000; (c) X 13800; (d to g) X 23000; (i) X 33600; (j, k) X 31500; (j-inset) X 57500. D: distal centriole; E: electron-dense structure; F: flagellum; N: nucleus; P: proximal centriole; V: vesicles; Asterisk: mitochondria, Arrow: cytoplasmic channel.
Fig. 7 in Comparative analysis of spermiogenesis and sperm ultrastructure in Callichthyidae (Teleostei: Ostariophysi: Siluriformes)
Fig. 7. Spermiogenesis in Callichthyinae. a to h) Hoplosternum littorale. a) Spermatid cyst. b and d) Early spermatids (longitudinal sections). c) Centriolar arrangement. e) Late spermatid. f) Midpiece showing mitochondria and vesicles (cross section). g and h) Flagellum (longitudinal and cross sections). i to m) Megalechis thoracata. i) Early spermatid in longitudinal section. j) Late spermatid. k) Midpiece showing mitochondria, cytoplasmic channel, and vesicles (cross section). l) Centriolar arrangement. m) Flagellum in longitudinal section. n to q) Callichtys callichthys. n and o) Early spermatids in longitudinal sections. p) Midpiece showing mitochondria. q) Flagellum in longitudinal section. (a) X 7750; (b, f, i, n, p) X 13250; (c, g, k, m) X 17000; (d) X 10200; (e, j) X 11900; (h) 20400; (l) X 23000; (o) X 13600; (q) X 31500. D: distal centriole; F: flagellum; N: nucleus; P: proximal centriole; S: Setoli cell; V: vesicles; Asterisk: mitochondria, Arrow: cytoplasmic channel; Arrowhead: lateral membranous compartment.
Fig. 6 in Comparative analysis of spermiogenesis and sperm ultrastructure in Callichthyidae (Teleostei: Ostariophysi: Siluriformes)
Fig. 6. Spermatozoa of Aspidoras poecilus. a) Spermatozoon longitudinal section. b and c) Nucleus in longitudinal and cross sections. d) Centriolar arrangement. e to i) Midpiece in longitudinal and transverse sections showing mitochondria, vesicles, cytoplasmic channel, and electron-dense circular structures. j and k) Flagellum in longitudinal sections. j-inset and l) Flagellum in cross sections. (a, b, f, j, k) X 23000; (c, d) X 17000; (e) X 22050; (g, h) X 25200; (i) X 18400; (j-inset, l) X 57500. B: basal body; D: distal centriole; E: electron-dense structure; F: flagellum; N: nucleus; P: proximal centriole; V: vesicles; Asterisk: mitochondria, Arrow: cytoplasmic channel; Arrowhead: lateral membranous compartment; Double arrowhead: electron-dense material between the centrioles; Lozenge: electron-dense circular structure.
Fig. 5 in Comparative analysis of spermiogenesis and sperm ultrastructure in Callichthyidae (Teleostei: Ostariophysi: Siluriformes)
Fig. 5. Spermatozoa of Scleromystax lacerdai. a) Spermatozoon longitudinal section. b and c) Nucleus in longitudinal and cross sections. d) Detail of centriolar arrangement. e to g) Midpiece in longitudinal and transverse sections showing mitochondria and vesicles. h) Flagellum in longitudinal section. h-inset) Flagellum in cross section. (a, d, e) X23000; (b, c) X 17000; (f) X25200; (g) X 20400; (h) X 42000; (h-inset) X 32200. B: basal body; D: distal centriole; E: electron-dense structure; F: flagellum; N: nucleus; P: proximal centriole; V: vesicles; Asterisk: mitochondria, Arrow: cytoplasmic channel; Arrowhead: lateral membranous compartment; Double arrowhead: electron-dense material between the centrioles; Lozenge: electron-dense circular structure.
Fig. 4 in Comparative analysis of spermiogenesis and sperm ultrastructure in Callichthyidae (Teleostei: Ostariophysi: Siluriformes)
Fig. 4. Spermatozoa of Corydoras aeneus. a) Longitudinal section. b and c) Nucleus in cross sections. d) Detail of centriolar arrangement. e to j) Midpiece longitudinal and transverse sections showing mitochondria, vesicles, membranous compartment, and electron-dense circular structure. k and l) Flagellum in longitudinal sections. m and n) Flagellum in cross sections. (a, d) X 17000; (b) X 13800; (c) X 15750; (e, h, k, l) X 23000; (f) X 20400; (g) 44100; (i, j) X 31500; (m) X 47250; (n) X 57500. B: basal body; D: distal centriole; E: electron-dense structure; F: flagellum; N: nucleus; P: proximal centriole; V: vesicles; Asterisk: mitochondria, Arrow: cytoplasmic channel; Arrowhead: lateral membranous compartment; Double arrowhead: electron-dense material between the centrioles; Lozenge: electron-dense circular structure.
Fig. 3 in Comparative analysis of spermiogenesis and sperm ultrastructure in Callichthyidae (Teleostei: Ostariophysi: Siluriformes)
Fig. 3. Spermatozoa of Corydoras flaveolus. a) Spermatozoon longitudinal section. b and c) Nucleus in transverse sections. d) Detail of centriolar arrangement. e to j) Midpiece longitudinal and transverse sections showing mitochondria, vesicles, cytoplasmic channel, and electron-dense circular structure. k and l) Flagellum longitudinal sections. m and n) Flagellum cross sections. (a) X 17000; (b, c) X 15750; (d) X 28350; (e, f, h) X 23000; (g, m) X 42000; (i) X 18900; (j) X 25200; (k) X 25300; (l, n) X 31500. B: basal body; D: distal centriole; E: electron-dense structure; F: flagellum; N: nucleus; P: proximal centriole; V: vesicles; Asterisk: mitochondria, Arrow: cytoplasmic channel; Arrowhead: lateral membranous compartment; Double arrowhead: electron-dense material between the centrioles; Lozenge: electron-dense circular structure.
Fig. 10 in Comparative analysis of spermiogenesis and sperm ultrastructure in Callichthyidae (Teleostei: Ostariophysi: Siluriformes)
Fig. 10. Spermatozoa of Callichthys callichthys. a) Spermatozoon in longitudinal section. b and c) Nucleus in longitudinal and cross sections. d) Centriolar arrangement. e to g) Midpiece in longitudinal and transverse sections showing mitochondria, vesicles, and cytoplasmic channel. h and i) Flagellum in longitudinal and cross sections. (a, g, h) X 31500; (b, e) X 23000; (c, f) X 17000; (d, i) X 42000. D: distal centriole; E: electron-dense structure; F: flagellum; N: nucleus; P: proximal centriole; V: vesicles; Asterisk: mitochondria, Arrow: cytoplasmic channel; Arrowhead: lateral membranous compartment.
Fig. 1. Photomicrography showing a in Comparative analysis of spermiogenesis and sperm ultrastructure in Callichthyidae (Teleostei: Ostariophysi: Siluriformes)
Fig. 1. Photomicrography showing a general view of the semi-cystic spermatogenesis in Corydoras flaveolus, Corydoradinae (a and b) and of the cystic spermatogenesis in Hoplosternum littorale, Callichthyinae (c and d). Scale bar a and c = 20 µm, b and d = 10 µm. CI: cysts of primary spermatocytes; G: spermatogonia; T: spermatids in the lumen of germinative compartment; Z spermatozoa, Arrow: spermatids cysts.
Fig. 2 in Comparative analysis of spermiogenesis and sperm ultrastructure in Callichthyidae (Teleostei: Ostariophysi: Siluriformes)
Fig. 2. Spermiogenesis in Corydoradinae. a-d) Corydoras flaveolus; e-h) Corydoras aeneus; i) Scleromystax lacerdai. a) Spermatids together with spermatozoa in the lumen of the testicular tubules. b-d) Early spermatids connected to the Sertoli cells surface. e and e-insets) Arrangement of the centriolar complex showing electron-dense material between centrioles, and flagellum with classical (9+2) axoneme. f to h) Midpiece showing mitochondria, vesicles, and electron-dense circular structure (longitudinal sections). i) Late spermatid. (a) X 3250; (b) X 4875; (c, d) X 5750; (e) X 13250; (e-inset left, i) X 17000; (e-inset right) X 25850; (f, g) X 9750; (h) X 7750. C: centriolar complex; D: distal centriole; L: lumen; N: nucleus; P: proximal centriole; S: Sertoli cell; V: vesicles; Z: spermatozoon; Asterisk: mitochondria, Arrow: cytoplasmic channel; Arrowhead: point connection; Double arrowhead: electron-dense material between the centrioles; Lozenge: electron-dense circular structure.
Fig. 1 in Comparative dietary analysis of two populations of Mimagoniates rheocharis (Characidae: Glandulocaudinae) from two streams of Southern Brazil
Fig. 1. Percent composition of dietary items found in the stomachs of Mimagoniates rheocharis. (a) Station 1, March 1998 to March 1999 and (b) Station 2, January 1998 to February 1999.
PERCEIVE: WP1: Framework for comparative analysis of the perception of Cohesion Policy and identification with the European Union at citizen level in different European countries: Survey at citizen level and data relative to regional performance of the Cohesion Policy and institutional quality
<p>1. Orignal PERCEIVE survey data (STATA file)</p> <p>2. description of survey questions, descriptive results (word file)</p> <p>3. EU Deliverable document with descriptive analysis of survey questions</p> <p> </p> <p>***please cite the following when using the microdata:</p> <p>Bauhr, M., & Charron, N. (2020). The EU as a savior and a saint? Corruption and public support for redistribution. <em>Journal of European Public Policy</em>, <em>27</em>(4), 509-527.</p> <p>https://www.tandfonline.com/doi/full/10.1080/13501763.2019.1578816</p>
Datasets of "Lipoxygenase (LOX) genes in angiosperms: a comparative genome-wide analysis"
<p>This dataset contain protein subcellular localization results and FASTA files containing coding sequences (CDS) and protein sequences used for all phylogenetic analyses of the study " Lipoxygenase (LOX) genes in angiosperms: a comparative genome-wide analysis" (submitted).</p>
Data and materials for "The Consequences of Data Dispersion in Genomics: A Comparative Analysis of Data Sources for Precision Medicine" manuscript"
<p>Data and sripts for the "The Consequences of Data Dispersion in Genomics: A Comparative Analysis of Data Sources for Precision Medicine" manuscript" manuscript, sent to BMC Bioinformatics</p>
Dataset: Comparative analysis of 1H NMR and 1H–13C HSQC NMR metabolomics to understand the effects of medium composition in yeast growth
<p>NMR datasets used in https://doi.org/10.1021/acs.analchem.8b01196.</p> <p>In the corresponding study, we have performed a comparative chemometric analysis between untargeted <sup>1</sup>H NMR and <sup>1</sup>H-<sup>13</sup>C HSQC NMR analyses of metabolomics samples from <em>Saccharomyces cerevisiae</em> (yeast) extracts. Specifically, yeast was grown in two different liquid media and their metabolism was characterized at 8 different time-points of a 3-day period. The two media used, YPD (Yeast Peptone Dextrose) and YSC (Yeast nitrogen base Synthetic Complete), are broadly used in yeast lab routines, and results from this analysis should be of interest for improving lab methodologies involving yeast.</p>
Comparative Analysis of Droplet- vs. Microwell-based Whole Transcriptome Single-Cell Sequencing Technologies in Complex Human Tissues
<p>In the past decade, high-dimensional single-cell omics tools have enabled scientists to study the tumor microenvironment (TME) in unprecedented detail. However, recent investigations suggest that each technique has its unique strengths but also technology-inherent limitations. Here we directly compared two commercially available high-throughput single-cell RNA sequencing (scRNA-seq) technologies - droplet-based 10X Chromium <em>vs.</em> microwell-based BD Rhapsody - using paired samples from patients with localized prostate cancer (PCa) undergoing a radical prostatectomy.</p> <p>Although high technical consistency was observed in unraveling the whole transcriptome, the relative abundance of detectable cell populations differed. This could in part be ascribed to differences in the performance to recover cells with low-mRNA content. Hence, immune cells such as neutrophils are underrepresented in data generated with the widely used droplet-based scRNA-seq protocol, highlighting the importance of considering platform limitations in low mRNA content cell recovery. In contrast, droplet-based scRNA-seq demonstrated superiority in terms of recovering cells of epithelial origin. Moreover, we discovered platform-dependent variabilities in mRNA quantification and cell-type marker annotation, affecting the composition of identified tissue profiles and the exploratory value of the generated datasets. Overall, our study emphasizes the importance of carefully selecting the appropriate scRNA-seq platform to improve cell type representation and obtain a more comprehensive and accurate understanding of the TME.</p>
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
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.