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Dataset results
14 results for “fertility signal”
Pheromone relay networks in the honeybee: messenger workers distribute the queen's fertility signal throughout the hive
<p>This resource contains two items:</p><p>1. Dataset; Within-hive trajectories of individually-tagged honeybee workers.</p><p>2. Model; A C++ script for simulating queen pheromone transmission via physical contacts between bees. </p>
Do favored cuticular hydrocarbon profiles signal fertility? Analysis of Gryllus firmus and Gryllus pennsylvanicus
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Data from: Major histocompatibility complex-linked social signalling affects female fertility
Genes of the major histocompatibility complex (MHC) have been shown to influence social signalling and mate preferences in many species, including humans. First observations suggest that MHC signalling may also affect female fertility. To test this hypothesis, we exposed 191 female horses (Equus caballus) to either a MHC-similar or a MHC-dissimilar stimulus male around the time of ovulation and conception. A within-subject experimental design controlled for non-MHC linked male characteristics, and instrumental insemination with semen of other males (N=106) controlled for potential confounding effects of semen or embryo characteristics. We found that females were more likely to become pregnant if exposed to a MHC-dissimilar than to a MHC-similar male, while overall genetic distance to the stimulus males (based on microsatellite markers on 20 chromosomes) had no effect. Our results demonstrate that early pregnancy failures can be due to maternal life-history decisions (cryptic female choice) influenced by MHC-linked social signalling.
Data from: Fluctuations in neighbourhood fertility generate variable signaling effort
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Data from: Major histocompatibility complex-linked social signalling affects female fertility
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Data from: Sources of variance in a female fertility signal: exaggerated estrous swellings in a natural population of baboons
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Hydrogen peroxide signaling mediates fertilization and post-fertilization development in the red alga Bostrychia moritziana
<p><span><span><span>Reactive oxygen species (ROS) signaling has a multitude of roles in cellular processes throughout biology. We hypothesized that red algal fertilization may offer an interesting model to study ROS-mediated signaling as the stages of fertilization are complex and unique. </span></span></span><span><span><span>We microscopically localized ROS production and monitored the expression of three homologues of NADPH-oxidase in reproductive cells during fertilization. </span></span></span><span><span><span>ROS<sub> </sub>were instantaneously produced by spermatia (sperm) when they attached to female trichogynes, diffused across the cell membrane in the form of H<sub>2</sub>O<sub>2</sub>, and triggered ROS generation in the carpogonium (egg) as well as carpogonial branch cells which are not in direct contact with spermatia. The expression of NADPH-oxidase homologues, <i>Bmrboh</i>s, began to be upregulated in the female plant upon gamete binding, peaking during the fertilization process and descending back to their original level after fertilization. Pretreatment with diphenylene iodonium (DPI) or caffeine blocked the gene expression as well as H<sub>2</sub>O<sub>2 </sub>production. Post-fertilization development was also inhibited when the redox state of the plants were perturbed with H<sub>2</sub>O<sub>2</sub> at any time before or after the fertilization. </span></span></span><span><span><span>Our results suggest that H<sub>2</sub>O<sub>2 </sub>acts as an auto-propagating signaling molecule, possibly through Ca<sup>+2</sup> channel activation, and regulates gene expression involved in fertilization as well as post-fertilization development in red algae. </span></span></span><span><span><span>Reactive oxygen species (ROS) signaling has a multitude of roles in cellular processes throughout biology. We hypothesized that red algal fertilization may offer an interesting model to study ROS-mediated signaling as the stages of fertilization are complex and unique. </span></span></span><span><span><span>We microscopically localized ROS production and monitored the expression of three homologues of NADPH-oxidase in reproductive cells during fertilization. </span></span></span><span><span><span>ROS<sub> </sub>were instantaneously produced by spermatia (sperm) when they attached to female trichogynes, diffused across the cell membrane in the form of H<sub>2</sub>O<sub>2</sub>, and triggered ROS generation in the carpogonium (egg) as well as carpogonial branch cells which are not in direct contact with spermatia. The expression of NADPH-oxidase homologues, <i>Bmrboh</i>s, began to be upregulated in the female plant upon gamete binding, peaking during the fertilization process and descending back to their original level after fertilization. Pretreatment with diphenylene iodonium (DPI) or caffeine blocked the gene expression as well as H<sub>2</sub>O<sub>2 </sub>production. Post-fertilization development was also inhibited when the redox state of the plants were perturbed with H<sub>2</sub>O<sub>2</sub> at any time before or after the fertilization. </span></span></span><span><span><span>Our results suggest that H<sub>2</sub>O<sub>2 </sub>acts as an auto-propagating signaling molecule, possibly through Ca<sup>+2</sup> channel activation, and regulates gene expression involved in fertilization as well as post-fertilization development in red algae.</span></span></span></p>
Hydrogen peroxide signaling mediates fertilization and post-fertilization development in the red alga Bostrychia moritziana
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METTL3-dependent m6A methylation facilitates uterine receptivity and female fertility via balancing estrogen and progesterone signaling
GEO Series GSE208096. Mus musculus. 6 samples. Type: Expression profiling by high throughput sequencing.
Classical estrogen signaling in ciliated epithelial cells of the oviduct is nonessential for fertility in female mice
GEO Series GSE244422. Mus musculus. 4 samples. Type: Expression profiling by high throughput sequencing.
GIV/Girdin Regulates Spatiotemporal Signaling during Sperm Capacitation and is Required for Male Fertility
GEO Series GSE171704. Mus musculus. 7 samples. Type: Expression profiling by high throughput sequencing.
Fertilization-induced synergid cell death by RALF12-triggered ROS production and ethylene signaling
GEO Series GSE283809. Zea mays. 12 samples. Type: Expression profiling by high throughput sequencing.
FHL2 deficiency impairs follicular development and fertility by attenuating EGF/EGFR/YAP signaling in murine ovarian granulosa cell
GEO Series GSE218771. Mus musculus. 7 samples. Type: Expression profiling by high throughput sequencing.
Nitrogen fertilizer reduces salicylic acid-mediated immunity by activating gibberellin signaling in rice
GEO Series GSE171646. Oryza sativa Japonica Group. 12 samples. Type: Expression profiling by high throughput sequencing.
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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.