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8 results for “embryo predation”
How do red-eyed treefrog embryos sense motion in predator attacks? Assessing the role of vestibular mechanoreception
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Multimodal mechanosensing enables treefrog embryos to escape egg-predators
<p><span>Mechanosensory-cued hatching (MCH) is widespread, diverse, and improves survival in many animals. From flatworms and insects to frogs and turtles, embryos use mechanosensory cues and signals to inform hatching timing, yet mechanisms mediating mechanosensing <i>in ovo</i> are largely unknown. The arboreal embryos of red-eyed treefrogs, <i>Agalychnis callidryas, </i><span>hatch prematurely to escape predation, cued by physical disturbance in snake attacks. When otoconial organs in the developing vestibular system become functional, this response strengthens, but its earlier occurrence indicates another sensor must contribute. </span>Post-hatching, tadpoles use lateral line neuromasts to detect water motion. We ablated neuromast function with gentamicin to assess their role in <i>A. callidryas</i>' hatching response to disturbance<span>. </span>Prior to vestibular function, this<span> nearly eliminated the hatching response to a complex simulated attack cue, egg-jiggling, revealing that neuromasts mediate early MCH. Vestibular function onset increased hatching, independent of neuromast function, indicating young embryos use multiple mechanosensory systems. MCH increased developmentally. All older embryos hatched in response to egg-jiggling, but neuromast function reduced response latency. In contrast, neuromast ablation had no effect on timing or level of hatching in motion-only vibration playbacks. It appears only a subset of egg-disturbance cues stimulate neuromasts; thus embryos in attacked clutches may receive uni- or multimodal stimuli. <i>A. callidryas</i> embryos have more neuromasts than described for any other species at hatching, suggesting precocious sensory development may facilitate MCH. </span>Our findings provide insight into the behavioral roles of two mechanosensory systems <i>in ovo </i>and open possibilities for exploring sensory perception across taxa in early life stages.</span></p>
Data from: Early plant development depends on embryo damage location: the role of seed size in partial seed predation
<p>Data on 1) Observed weevil-infested acorns in the field; 2) Germination rates and times, and seedling emergence of control and embryo-damaged acorns; 3) Seedling performance and physiology of seedlings</p>
Supplementary material 1 from: Muraro M, Romagnoli S, Barzaghi B, Falaschi M, Manenti R, Ficetola GF (2021) Invasive predators induce plastic and adaptive responses during embryo development in a threatened frog. NeoBiota 70: 69-86. https://doi.org/10.3897/neobiota.70.65454
Geographic coordinates of the monitored sites and the significance of the independent variables in the three parental investment mixed models.
Data from: Early plant development depends on embryo damage location: the role of seed size in partial seed predation
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Data from: Plastic hatching timing by red-eyed treefrog embryos interacts with larval predator identity and sublethal predation to affect prey morphology but not performance
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Multimodal mechanosensing enables treefrog embryos to escape egg-predators
Open the record for dataset details and reuse information.
Supplementary material 2 from: Muraro M, Romagnoli S, Barzaghi B, Falaschi M, Manenti R, Ficetola GF (2021) Invasive predators induce plastic and adaptive responses during embryo development in a threatened frog. NeoBiota 70: 69-86. https://doi.org/10.3897/neobiota.70.65454
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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
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