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64 results for “spermatids”
Fig. 6. Intermediate, elongated spermatids. A in Comparison of spermiogenesis in the externally fertilizing Hemigrammus erythrozonus and the inseminating Corynopoma riisei (Teleostei: Characiformes: Characidae)
Fig. 6. Intermediate, elongated spermatids. A - Longitudinally sectioned spermatid with elongate nucleus containing highly granular chromatin and flagellum running within cytoplasmic canal. Scale bar 0.5 µm. B - inset: Arrangement of proximal and distal centrioles with intercentriolar lamellated body. Scale bar 0.25 µm. C - Transverse sections of tip of spermatids containing proximal and distal centrioles and anterior part of flagellum. Scale bar 0.5 µm D - Transverse sections of the middle portion of nucleus with mitochondria located around the nucleus. E - Posterior portion of nucleus showing numerous mitochondria, and flagellum contained within cytoplasmic canal. F - Flagellum within the cytoplasmic canal of the mitochondrial region. Scale bar 0.5 µm. cc – cytoplasmic canal, cs – cytoplasmic sleeve, dc – distal centriole, f – flagellum, ilb – intercentriolar lamellated body, m – mitochondrion, N – nucleus, pc – proximal centriole, v – vesicles.
Fig. 3. Pimelodella gracilis spermatids. A in Comparative description and discussion of spermiogenesis and spermatozoal ultrastructure in some species of Heptapteridae and Pseudopimelodidae (Teleostei: Siluriformes)
Fig. 3. Pimelodella gracilis spermatids. A: early spermatids in longitudinal section. A: X 12000. B, D: longitudinal sections. B: X 13000; D: X 14500. C, E, F: midpieces in cross sections. C: X 23200; E: X 21000; F: 18900. C: centriolar complex; F: flagellum; M: mitochondria; N: nucleus; V: vesicle; arrow: pseudo-cytoplasmic channel.
Fig. 1. Microglanis aff. parahybae spermatids. A-D in Comparative description and discussion of spermiogenesis and spermatozoal ultrastructure in some species of Heptapteridae and Pseudopimelodidae (Teleostei: Siluriformes)
Fig. 1. Microglanis aff. parahybae spermatids. A-D: early spermatids in longitudinal (A) and cross sections (B-D). A: X 10200; B: X 9750; C: 9750; D: X 13600. E-G: spermatids in longitudinal sections. E: X 13600; F: X 18400; G: X 13600. H: centriolar complex. H: X 34000. I: flagellum in cross section. I: X 59000. J: mitochondria. J: X 17200. K: flagellum in longitudinal section. K: X 23800. L-O: midpieces in longitudinal sections. L: X 18400; M: X 16100; N: X 17000; O: X 17000. A: axonema; C: centriolar complex; D: distal centriole; F: flagellum; M: mitochondria; N: nucleus; P: proximal centriole; V: vesicle; arrow: cytoplasmic channel; asterisks: nuclear fossa.
Experimental Round Spermatid Injection (ROSI) to Treat Infertile Couples
ClinicalTrials.gov study NCT04298255. IPD Sharing: NO. Countries: 1. Publications: 3.
Deficiency in the multicopy Sycp3-like X-linked genes Slx and Slxl1 causes major defects in spermatid differentiation
GEO Series GSE29197. Mus musculus. 8 samples. Type: Expression profiling by array.
Genome-wide analysis of Dnmt3L heterozygous and wildtype spermatocytes and spermatids
GEO Series GSE20241. Mus musculus. 11 samples. Type: Expression profiling by array.
Broad H3K4me3 controls transcription output and timing during spermatid development
GEO Series GSE242515. Mus musculus. 111 samples. Type: Genome binding/occupancy profiling by high throughput sequencing; Expression profiling by high throughput sequencing.
The miRNA expression profiles of round spermatids during GRTH/DDX25 mediated spermiogenesis: mRNA-miRNA Network analysis [miRNAseq]
GEO Series GSE222627. Mus musculus. 22 samples. Type: Non-coding RNA profiling by high throughput sequencing.
Transcriptome analysis in mouse early round spermatids deficient in pachytene piRNAs (Miwi+/- and -/-)
GEO Series GSE41974. Mus musculus. 6 samples. Type: Expression profiling by high throughput sequencing.
Expression analysis of Baz1a-deficient spermatocytes and spermatids
GEO Series GSE41303. Mus musculus. 12 samples. Type: Expression profiling by array.
Single-Cell Transcriptomic Profiling of the Mouse Testicular Germ Cells Reveals Important Role of Phosphorylated GRTH/DDX25 in Round Spermatid Differentiation and Acrosome Biogenesis during Spermiogen
GEO Series GSE221226. Mus musculus. 3 samples. Type: Expression profiling by high throughput sequencing.
Genome-wide analysis of the distribution of the testis-specific double bromodomain protein BRDT reveals distinct roles in pachytene spermatocyte and round spermatids
GEO Series GSE98489. Mus musculus. 4 samples. Type: Genome binding/occupancy profiling by high throughput sequencing.
Gene expression analysis and DNA methylation profiling in WT-AG-haESCs, DKO-AG-haESCs and round spermatids
GEO Series GSE60076. Mus musculus. 12 samples. Type: Expression profiling by high throughput sequencing; Methylation profiling by high throughput sequencing.
Small non-coding RNA expression in mouse elongated spermatids
GEO Series GSE40397. Mus musculus. 1 samples. Type: Non-coding RNA profiling by high throughput sequencing.
Effect of L-2-hydroxyglutarate on gene expression in mice round spermatids
GEO Series GSE238241. Mus musculus. 9 samples. Type: Expression profiling by high throughput sequencing.
The miRNA expression profiles of round spermatids during GRTH/DDX25 mediated spermiogenesis: mRNA-miRNA Network analysis [mRNAseq]
GEO Series GSE222626. Mus musculus. 18 samples. Type: Expression profiling by high throughput sequencing.
Positioning of sperm tail longitudinal columns depend on Nsun7, an RNA binding protein destabilizing elongated spermatid transcripts (RNA-Seq)
GEO Series GSE281586. Mus musculus. 6 samples. Type: Expression profiling by high throughput sequencing.
Differential miroRNA expression in round spermatids of GRTH null mice compared to wild type.
GEO Series GSE33969. Mus musculus. 4 samples. Type: Non-coding RNA profiling by array.
Linking Phospho-Gonadotropin Regulated Testicular RNA Helicase (GRTH/DDX25) to Histone Ubiquitination and Acetylation Essential for Spermatid Development During Spermiogenesis
GEO Series GSE145047. Mus musculus. 10 samples. Type: Expression profiling by high throughput sequencing.
Comprehensive analysis of the transcriptome-wide m6A methylation in mouse pachytene spermatocytes and round spermatids
GEO Series GSE186217. Mus musculus. 8 samples. Type: Other.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.