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43 results for “chemical signaling”
Data from: Population divergence in chemical signals and the potential for premating isolation between islet- and mainland populations of the Skyros wall lizard, (Podarcis gaigeae)
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Data from: Density-dependent signaling: an alternative hypothesis on the function of chemical signaling in a non-territorial solitary carnivore
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Data from: Expressed vomeronasal type-1 receptors (V1rs) in bats uncover conserved sequences underlying social chemical signaling
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Data from: Multimodal signals: ultraviolet reflectance and chemical cues in stomatopod agonistic encounters
Complex signals are commonly used during intraspecific contests over resources to assess an opponent's fighting ability and/or aggressive state. Stomatopod crustaceans may use complex signals when competing aggressively for refuges. Before physical attacks, stomatopods assess their opponents using chemical cues and perform threat displays showing a coloured patch, the meral spot. In some species, this spot reflects UV. However, despite their complex visual system with up to 20 photoreceptor classes, we do not know if stomatopods use chromatic or achromatic signals in contests. In a field study, we found that Neogonodactylus oerstedii meral spot luminance varies with sex, habitat and, more weakly, body length. Next, we conducted an experimental manipulation which demonstrated that both chemical cues and chromatic signals are used during contests. In the absence of chemical cues, stomatopods approached an occupied refuge more quickly and performed offensive behaviours at a lower rate. When UV reflectance was absent, stomatopods performed offensive behaviours more frequently and contest duration trended towards shorter fights. These results provide new evidence that UV reflectance and/or visible spectrum luminance is used to amplify threat displays. Our results are the first to demonstrate that chemical and chromatic cues comprise a multimodal signal in stomatopod contests.
Individuality and function of chemical signals in conflict resolution of a mammal
<p>Individual recognition via communication signals is a critical component of social behavior, and provides the basis of conflict resolution, territorial behavior, and mate choice. However, the function of chemical signals in mammalian individual recognition and conflict resolution has largely been unexplored despite olfaction being a dominant sensory modality in many mammalian species. Here, we describe behavioral tests designed to evaluate the potential role of forehead gland secretions during conflict related to territorial defense in male Great Himalayan leaf-nosed bats. We used gas chromatography–mass spectrometry to quantify the chemical composition. Our results showed that forehead gland secretions contain 16 categories of compounds including 84 volatile compounds. The concentrations of compounds and their categories differed significantly among individuals. Moreover, behavioral studies indicated that males can use chemical signals for individual recognition. Contests were staged between males with or without functioning forehead glands. Paired males without functioning forehead glands displayed more physical contact and longer contest duration compared to pairs with functioning glands. Moreover, males with a functioning gland were more likely to win in contests when paired with males without a functioning gland. These findings support a growing amount of evidence that chemical signals play a vital role in conflict resolution in mammals.</p>
Data from: Chemically-mediated sexual signals restrict hybrid speciation in a flea beetle
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Data from: Multimodal signals: ultraviolet reflectance and chemical cues in stomatopod agonistic encounters
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Data from: Sexual selection and experimental evolution of chemical signals in Drosophila pseudoobscura
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Individuality and function of chemical signals in conflict resolution of a mammal
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RNA-seq of Arabidopsis seedlings treated with chemical modifiers of sugar signalling at dawn
GEO Series GSE188596. Arabidopsis thaliana. 18 samples. Type: Expression profiling by high throughput sequencing.
The signalling axis ERK5/KLF2 is a major determinant of chemical sarcomagenesis
GEO Series GSE199395. Mus musculus. 10 samples. Type: Expression profiling by high throughput sequencing.
Probing the signaling requirements for naïve human pluripotency by high-throughput chemical screening
GEO Series GSE153215. Homo sapiens. 33 samples. Type: Expression profiling by high throughput sequencing; Methylation profiling by high throughput sequencing.
R406-Inhibition of Syk-Cn-NFAT Signaling Axis Promotes Chemical Reprogramming via Metabolic Rewiring and H2S Production
GEO Series GSE154687. Mus musculus. 7 samples. Type: Expression profiling by high throughput sequencing; Genome binding/occupancy profiling by high throughput sequencing.
Temporal control of human DNA replication licensing by CDK4/6-RB signalling and chemical genetics
GEO Series GSE278714. Homo sapiens. 15 samples. Type: Other.
Probing the signaling requirements for naïve human pluripotency by high-throughput chemical screening [WGBS]
GEO Series GSE153213. Homo sapiens. 12 samples. Type: Methylation profiling by high throughput sequencing.
Chemical Systems Biology Reveals Mechanisms of Dissociated Glucocorticoid Receptor Signaling
GEO Series GSE149453. Mus musculus. 4 samples. Type: Expression profiling by high throughput sequencing.
Interspecies chemical signalling in a methane-oxidizing bacterial community
GEO Series GSE122293. Methylomonas sp. LW13. 8 samples. Type: Expression profiling by high throughput sequencing.
Probing the signaling requirements for naïve human pluripotency by high-throughput chemical screening [RNA-seq]
GEO Series GSE153212. Homo sapiens. 21 samples. Type: Expression profiling by high throughput sequencing.
A chemical and synthetic biology approach to control plant membrane receptor kinase signaling
GEO Series GSE136177. Arabidopsis thaliana. 10 samples. Type: Expression profiling by high throughput sequencing.
Chemical conversion of human fetal astrocytes into neurons through modulation of multiple signaling pathways
GEO Series GSE123397. Homo sapiens. 3 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.