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18 results for “chemical communication”
Original data for "Imaging and quantifying the chemical communication between single particles in metal alloy" article
<p>This upload contains original data and supplementary data for the publication titled "Imaging and Quantifying the Chemical Communication Between Single Particles in Metal Alloy" by L. Godeffroy, A. Makogon, S. G. Derouich, F. Kanoufi, V. Shkirskiy in the ACS Analytical Chemistry journal. The preprint of the paper is included in this upload and is also available on ChemRxiv (<a href="https://doi.org/10.26434/chemrxiv-2022-rn77b-v2">https://doi.org/10.26434/chemrxiv-2022-rn77b-v2</a>). </p> <p>The file "OpticalData.zip" contains the original optical images. Each pixel in the images has a size of 180 nm, and the time interval between frames is 1.87 seconds.</p> <p>The file "sem_identical.png" contains a scanning electron microscopy (SEM) image of the same surface area as the optical images, captured using secondary electrons.</p> <p>The file "WorkingWithData.ipynbb" is a Jupyter Lab file that demonstrates a few examples of how data can be loaded and processed in a Python environment. Python 3 was used for this purpose.</p> <p>There are also two supplementary movies:</p> <p>Movie S1: This movie provides an enlarged view (marked with a square in Movie S2) of the surface film transformation on Al6061 during immersion in 10 mM H2SO4. It includes snapshots at 17 s, 28 s, 37 s, and 84 s, along with a related SEM image of the same location.</p> <p>Movie S2: This movie presents a wide-field view of the surface film transformation on Al6061 during immersion in 10 mM H2SO4, along with a related SEM image of the same location. The square highlights the area around which the narrative in the manuscript is focused.</p>
FIG. 3 in Chemical communication in the symbiotic interaction between the anemone Exaiptasia diaphana (ex Aiptasia pallida) Rapp and the dinoflagellate Symbiodinium spp.
FIG. 3. — Iron (A), Manganese (B), Magnesium (C), Copper (D), Zinc (E) mean contents in bleached Exaiptasia diaphana Rapp samples. The error bars represent the standard deviation (n ≥ 3). Abbreviations: C, Aposymbiotic Exaiptasia samples exposed to an empty dialysis tube (control group); E, Aposymbiotic Exaiptasia samples exposed to a dialysis tube containing the holobionts; S, Aposymbiotic Exaiptasia samples exposed to a dialysis tube containing Symbiodinium cells.
FIG. 2 in Chemical communication in the symbiotic interaction between the anemone Exaiptasia diaphana (ex Aiptasia pallida) Rapp and the dinoflagellate Symbiodinium spp.
FIG. 2. — Carbon (A), Nitrogen (B), Phosphorus (C), Sulphur (D) mean contents in bleached Exaiptasia diaphana Rapp samples. The error bars represent the standard deviation (n ≥ 3). Abbreviations: C, Aposymbiotic Exaiptasia samples exposed to an empty dialysis tube (control group); E, Aposymbiotic Exaiptasia samples exposed to a dialysis tube containing the holobionts; S, Aposymbiotic Exaiptasia samples exposed to a dialysis tube containing Symbiodinium cells.
FIG. 1 in Chemical communication in the symbiotic interaction between the anemone Exaiptasia diaphana (ex Aiptasia pallida) Rapp and the dinoflagellate Symbiodinium spp.
FIG. 1. — Organic composition in bleached Exaiptasia diaphana Rapp samples. The error bars represent the standard deviation (n ≥ 3). Abbreviations: C, Aposymbiotic Exaiptasia samples exposed to an empty dialysis tube (control group); E, Aposymbiotic Exaiptasia samples exposed to a dialysis tube containing the holobionts; S, Aposymbiotic Exaiptasia samples exposed to a dialysis tube containing Symbiodinium cells.
Data from: Ocean acidification during pre-fertilization chemical communication affects sperm success
Ocean acidification (OA) poses a major threat to marine organisms, particularly during reproduction when externally shed gametes are vulnerable to changes in seawater pH. Accordingly, several studies on OA have focused on how changes in seawater pH influence sperm behaviour and/or rates of in vitro fertilization. By contrast, few studies have examined how pH influences pre-fertilization gamete interactions, which are crucial during natural spawning events in most externally fertilizing taxa. One mechanism of gamete interaction that forms an important component of fertilization in most taxa is communication between sperm and egg-derived chemicals. These chemical signals, along with the physiological responses in sperm they elicit, are likely to be highly sensitive to changes in seawater chemistry. In this study, we experimentally tested this possibility using the blue mussel, Mytilus galloprovincialis, a species in which females have been shown to use egg-derived chemicals to promote the success of sperm from genetically compatible males. We conducted trials in which sperm were allowed to swim in gradients of egg-derived chemicals under different seawater CO2 (and therefore pH) treatments. We found that sperm had elevated fertilization rates after swimming in the presence of egg-derived chemicals in low pH (pH 7.6) compared to ambient (pH 8.0) seawater. This observed effect could have important implications for the reproductive fitness of external fertilizers, where gamete compatibility plays a critical role in modulating reproduction in many species. For example, elevated sperm fertilization rates might disrupt the eggs' capacity to avoid fertilizations by genetically incompatible sperm. Our findings highlight the need to understand how OA affects the multiple stages of sperm-egg interactions, and to develop approaches that disentangle the implications of OA for female, male and population fitness.
Data from: Chemical communication, sexual selection, and introgression in wall lizards
Divergence in communication systems should influence the likelihood that individuals from different lineages interbreed, and consequently shape the direction and rate of hybridization. Here, we studied the role of chemical communication in hybridization, and its contribution to asymmetric and sexually selected introgression, between two lineages of the common wall lizard (Podarcis muralis). Males of the two lineages differed in the chemical composition of their femoral secretions. Chemical profiles provided information regarding male secondary sexual characters, but the associations were variable and inconsistent between lineages. In experimental contact zones, chemical composition was weakly associated with male reproductive success, and did not predict the likelihood of hybridization. Consistent with these results, introgression of chemical profiles in a natural hybrid zone resembled that of neutral nuclear genetic markers overall, but one compound in particular (tocopherol methyl ether) matched closely the introgression of visual sexual characters. These results imply that associations between male chemical profiles, sexual characters and reproductive success largely reflect transient and environmentally driven effects, and that genetic divergence in chemical composition is largely neutral. We therefore suggest that femoral secretions in wall lizards primarily provide information about residency and individual identity rather than function as sexual signals.
Data from: Ocean acidification during pre-fertilization chemical communication affects sperm success
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Data from: Chemical communication is not sufficient to explain reproductive inhibition in the bumblebee Bombus impatiens
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Data from: Chemical communication, sexual selection, and introgression in wall lizards
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Data from: Cuticular hydrocarbon divergence in the jewel wasp Nasonia: evolutionary shifts in chemical communication channels?
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Fig. 2 in Unusual effect of chemical communication on social aggression in juvenile cichlid fish Cichlasoma paranaense (Cichliformes: Cichlidae)
Fig. 2. Establishment of social rank. Dominance index (mean ± S.E.) by rank before aquarium water changing. Data were collapsed across treatments. Letters compare means between ranks within each observation session. Different letters indicate statistical significance among ranks. Asterisks indicate significant differences within rank between the first and the fourth observation session (Mixed Model ANOVA followed by Fisher's LSD post hoc test).
Fig. 1 in Unusual effect of chemical communication on social aggression in juvenile cichlid fish Cichlasoma paranaense (Cichliformes: Cichlidae)
Fig. 1. Ethogram of the aggressive interactions in Cichlasoma paranaense based on Brandão et al. (2015).
Fig. 3 in Unusual effect of chemical communication on social aggression in juvenile cichlid fish Cichlasoma paranaense (Cichliformes: Cichlidae)
Fig. 3. Number (mean ± S.E.) of a. overt aggression and b. restrained aggression following water renewal in each treatment. Letters indicates a significant difference in relation to observation before water change (baseline) within each treatment. Different letters indicate statistical significance. Asterisk compares the observations between treatments. (Mixed Model ANOVA followed by Fisher's LSD post hoc test).
Raw research data supporting "Photoswitchable gating of non-equilibrium enzymatic feedback in chemically communicating polymersome nanoreactors "
<p>Research data supporting Rifaie-Graham et al. "Photoswitchable gating of non-equilibrium enzymatic feedback in chemically communicating polymersome nanoreactors."Nature Chemistry. 2022. DOI:10.1038/s41557-022-01062-4.</p>
Supplementary materials sequences of soluble chemical communication proteins in Anagrus nilaparvatae
<p class="MsoNormal"><a name="_Hlk77276479"></a><em><span>Anagrus nilaparvatae</span></em><span> is an important egg parasitoid wasp of pests such as the rice planthopper. Based on the powerful olfactory system of sensing chemical information in nature, <em>A. nilaparvatae</em> shows </span><span>complicated</span><span> life activities and behaviors, such as feeding, mating and hosting. <a name="_Hlk77277184"></a>We constructed a full-length transcriptome library and used this to identify the characteristics of soluble chemical communication proteins. We analyzed the sequence characteristics of soluble chemical communication protein genes and identified eight genes: <a name="_Hlk86678428"></a><em>AnilOBP2</em>, <em>AnilOBP9</em>, <em>AnilOBP23</em>, <em>AnilOBP56</em>, <em>AnilOBP83</em>, <em>AnilCSP5</em>, <em>AnilCSP6</em> and <em>AnilNPC2</em>. After sequence alignment and conserved domain prediction, the eight proteins encoded by the eight genes above were found to be consistent with the typical characteristics of odorant-binding proteins (OBPs), chemosensory proteins (CSPs) and Niemann-pick type C2 proteins (NPC2s) in other insects. Phylogenetic tree analysis showed that the eight genes share low homology with other species of Hymenoptera.</span><span> </span><span>This study provides the first data for <em>A. nilaparvatae</em>'s molecular characteristics of soluble chemical communication proteins, as well as an opportunity for understanding how <em>A. nilaparvatae</em> behaviors are mediated via soluble chemical communication proteins.</span></p>
Data from: Chemical communication of queen supergene status in an ant
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Supplementary materials sequences of soluble chemical communication proteins in Anagrus nilaparvatae
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The G-protein coupled receptor GPR8 regulates secondary metabolism and mating associated chemical communication in Trichoderma reesei
GEO Series GSE144529. Trichoderma reesei. 14 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.