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80 results for “mate signal”
Female mate preferences do not predict male sexual signals across populations
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Spoiled for choice: Number of signalers constrains mate choice based on acoustic signals
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Low toxicity crop fungicide (Fenbuconazole) impacts reproductive male quality signals leading to a reduction of mating success in a wild solitary bee
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Data from: Synchronized mating signals in a communication network: the challenge of avoiding predators while attracting mates
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Data from: Strength of female mate preferences in temperature manipulation study supports the signal reliability hypothesis
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Beauty is in the eye of the beholder: mate choice in glow-worms depends on perceived, not emitted signals
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Data from: Increased signal complexity is associated with increased mating success
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Neuronal octopamine signaling regulates mating-induced germline stem cell increase in female Drosophila melanogaster
<p>Stem cells fuel the development and maintenance of tissues. Many studies have addressed how local signals from neighboring niche cells regulate stem cell identity and their proliferative potential. However, the regulation of stem cells by tissue-extrinsic signals in response to environmental cues remains poorly understood. Here we report that efferent octopaminergic neurons projecting to the ovary are essential for germline stem cell (GSC) increase in response to mating in female <i>Drosophila</i>. The neuronal activity of the octopaminergic neurons is required for mating-induced GSC increase as they relay the mating signal from Sex peptide receptor-positive cholinergic neurons. Octopamine and its receptor Oamb are also required for mating-induced GSC increase via intracellular Ca<sup>2+</sup> signaling. Moreover, we identified Matrix metalloproteinase-2 as a downstream component of the octopamine-Ca<sup>2+</sup> signaling to induce GSC increase. Our study provides a mechanism describing how neuronal system couples stem cell behavior to environmental cues through stem cell niche signaling.</p>
Data from: Environmental constraints on size-dependent signaling affects mating and rival interactions
Advertisement signals can convey information about a sender's characteristics, such as body size. The reliability of signals, however, can be reduced when signal production is partially dependent on the environment. Here we show that display site properties can affect signal production and consequently signal attractiveness in a size-dependent manner. We recorded male túngara frogs (Physalaemus pustulosus) while manipulating water levels in order to constrain calling. We found that water level affected male call properties in a size-dependent manner, with call amplitude being less affected in smaller males when forced to call in shallow water. Next, we tested how size-dependent and display site-dependent signaling affected female choice and rival competition. Both males and females showed the strongest response to the call of a large male when he was calling at the deepest water levels. However, females showed no preference for large over small males when both were recorded in shallow water levels, or, depending on the call rate and timing of calls, even preferred small males. Likewise, males responded equally to large and small rivals recorded calling during shallow water level trials. Our experiments show that display site properties can influence signal production and attractiveness in a size-dependent manner. These results can have important consequences for the evolution of signaling, as small males may be able to use their size to their advantage when selecting appropriate display sites and thereby outcompete large males.
Data from: Equivalent effect of UV coloration and vibratory signal on mating success in a jumping spider
Ultraviolet (UV; wavelengths: 280–400 nm) colouration has been shown to be an important visual signal but has not been studied in conjunction with other signals such as vibratory signals previously. Here we investigated multimodal signal function in the visual and substrate-borne vibratory modalities of the UV-ornamented jumping spider Cosmophasis umbratica, in which the importance of UV colouration in courtship displays has been demonstrated. We first described vibratory signals produced by courting males. We found that while vibratory signals mainly consist of palp drumming and abdomen thump, amplitude of abdomen thump shows a high variance and is positively correlated with body mass. This suggests that abdomen thump as a vibratory component may be condition-dependent. To examine whether the vibratory and UV signal function as backup to each other in a variable environment (efficacy-based backup hypothesis), we used a fully crossed 2 × 2 mating assay, a signal-isolation approach, to investigate how isolated and combined signals affect mate choice by females. Our results showed that both signals in isolation or in combination result in similar female responses (i.e., mating success, latency to copulation, female attention ratio). The presence of both vibratory and UV signals affects mating frequency, with no significant differences in mating frequency when vibratory and UV signals are presented in isolation or in combination. These results support the efficacy-based backup hypothesis. We therefore conclude that vibratory and UV signals have equivalent effects in predicting mating success in C. umbratica.
FIGURE 6. Hyphinomos svenhedini Ramme, 1950 in Revision of the high-altitude genus Hyphinomos Uvarov, 1921 (Orthoptera: Tettigoniidae) with a redescription and new data on mating behavior and acoustic signals of H. svenhedini Ramme, 1950
FIGURE 6. Hyphinomos svenhedini Ramme, 1950 (A) female head, pronotum and forewing, (B) male head, pronotum and forewing, (C) maxillary palpi, (D) female head and pronotum, (E) front view of face and (F) top view of fore tibia showing external and internal tympanum. Scale 5mm.
FIGURE 1 in Revision of the high-altitude genus Hyphinomos Uvarov, 1921 (Orthoptera: Tettigoniidae) with a redescription and new data on mating behavior and acoustic signals of H. svenhedini Ramme, 1950
FIGURE 1. Map showing type localities of Hyphinomos fasciata Uvarov, 1921 (in Dakar, Western Tibet, China) and H. svenhedini Ramme, 1950 (in Hanle, Indus Valley, Ladakh and Lahaul, Himachal Pradesh, India). Zanskar and Shashi lake, Kargil, Ladakh are additional locations from where H. svenhedini has been reported. Area highlighted in green is Ladakh, U.T., pink: Kargil district of Ladakh, blue: Lahaul and Spiti district in Himachal Pradesh.
FIGURE 12 in Revision of the high-altitude genus Hyphinomos Uvarov, 1921 (Orthoptera: Tettigoniidae) with a redescription and new data on mating behavior and acoustic signals of H. svenhedini Ramme, 1950
FIGURE 12. Male and female of Hyphinomos svenhedini Ramme, 1950 (A) exhibiting end-to-end copulation position in laboratory condition and (B) in natural habitat.
FIGURE 5. Hyphinomos svenhedini Ramme, 1950 in Revision of the high-altitude genus Hyphinomos Uvarov, 1921 (Orthoptera: Tettigoniidae) with a redescription and new data on mating behavior and acoustic signals of H. svenhedini Ramme, 1950
FIGURE 5. Hyphinomos svenhedini Ramme, 1950 (A & B) female and (C & D) male in dorsal and lateral view respectively. Scale 14mm.
FIGURE 9 in Revision of the high-altitude genus Hyphinomos Uvarov, 1921 (Orthoptera: Tettigoniidae) with a redescription and new data on mating behavior and acoustic signals of H. svenhedini Ramme, 1950
FIGURE 9. Variation in the shape and number of teeth present in the anal cerci between three males of Hyphinomos svenhedini Ramme, 1950 from Shashi lake. Two image panels show anal cerci of left and right sides of same individual.
FIGURE 8. Hyphinomos svenhedini Ramme, 1950 in Revision of the high-altitude genus Hyphinomos Uvarov, 1921 (Orthoptera: Tettigoniidae) with a redescription and new data on mating behavior and acoustic signals of H. svenhedini Ramme, 1950
FIGURE 8. Hyphinomos svenhedini Ramme, 1950 (A) apical view of male abdomen, (B) lateral view of male supra anal and subgenital plate, (C) dorsal view of male supra anal plate, (D) dorsal view of male subgenital plate, (E) dorsal view of female subgenital plate and (F) female supra anal plate. Scale 1mm.
FIGURE 7. Hyphinomos svenhedini Ramme, 1950 in Revision of the high-altitude genus Hyphinomos Uvarov, 1921 (Orthoptera: Tettigoniidae) with a redescription and new data on mating behavior and acoustic signals of H. svenhedini Ramme, 1950
FIGURE 7. Hyphinomos svenhedini Ramme, 1950 (A) right side forewing in ventral view showing stridulatory file present on PCuA, Scale 1mm and (B)scanning electron micrograph of the stridulatory teeth, Scale 10μm.
FIGURE 4. Hyphinomos svenhedini Ramme, 1950 in Revision of the high-altitude genus Hyphinomos Uvarov, 1921 (Orthoptera: Tettigoniidae) with a redescription and new data on mating behavior and acoustic signals of H. svenhedini Ramme, 1950
FIGURE 4. Hyphinomos svenhedini Ramme, 1950 showing body coloration in live condition (A) dorsal view of male in its natural habitat near Shashi lake, (B) front view of male and (C) dorsal view of young female in its natural habitat near Shashi lake.
FIGURE 3 in Revision of the high-altitude genus Hyphinomos Uvarov, 1921 (Orthoptera: Tettigoniidae) with a redescription and new data on mating behavior and acoustic signals of H. svenhedini Ramme, 1950
FIGURE 3. Ovipositor shape of Hyphinomos svenhedini Ramme, 1950 (A) Allotype, (B) Paratype from NMW, (C) studied specimen from Shashi lake and (D) Paratype of H. fasciata Uvarov, 1921 from MNCN (photo from OSF).
FIGURE 14 in Revision of the high-altitude genus Hyphinomos Uvarov, 1921 (Orthoptera: Tettigoniidae) with a redescription and new data on mating behavior and acoustic signals of H. svenhedini Ramme, 1950
FIGURE 14. Oscillograms (A–B) and spectrogram (C) of Hyphinomos svenhedini Ramme, 1950 'courtship' song recorded in laboratory.
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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.