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5 results for “Octopus bimaculoides”
Octopus bimaculoides genome assembly
<p>To facilitate identification of molecular cell types in the<em> Octopus bimaculoides</em> optic lobe, we conducted high fidelity long-read genomic and transcriptomic sequencing. Here, we provide open access to these datafiles, which resulted in a single-cell atlas of the <em>O. bimaculoides</em> visual system (<a href="https://doi.org/10.1016/j.cub.2022.10.015" target="_blank" rel="noopener noreferrer">https://doi.org/10.1016/j.cub.2022.10.015</a>). Below, we include a new genome assembly and annotation, phylogenetic trees for genes referenced in the manuscript, Cell Ranger outputs, and R scripts and files for Seurat cluster analysis. Raw single-cell sequence files are deposited to NCBI SRA at BioProject ID PRJNA854179. If any of these files are used, we ask that the paper is cited.</p>
Octopus bimaculoides visually-evoked prey capture
<p>Octopus limb hyper-redundancy complicates traditional motor control system theory by its extensive sensory inputs, subsequent decision making and arm coordination. Octopus are thought to reduce flexibility control complexity by relying on highly stereotypical motor primitives (e.g. reaching and crawling) and multi-level processes to coordinate movement utilizing extensive peripheral nervous system (PNS) processing. Division of labor along the anterior-posterior axis and limb- specialization of the four anterior arms in T-maze food retrieval further simplify control. Yet, specific arm recruitment and coordination during visually guided reaching behavior remains poorly understood. Here, we investigated visually triggered <em>Octopus bimaculoides</em> hunting capabilities by eliciting and examining prey-specific arm recruitment. When striking crabs, octopus preferred synchronous arm recruitment while sequential arm recruitment with a characteristic swaying movement is employed for shrimp. Such behavioral selection aligns with specific prey escape strategies and the octopus' flexible arm biomechanical constraints. Although side bias existed, we found significant bilateral symmetry, with one side being functionally a mirror of the other rather than anterior arm use being functionally equal and differing to posterior arm use. Among arms, the second limb is unequivocally dominant for goal-directed monocularly driven prey capture. While the eight arms share gross anatomy and are considered equipotential, such arm specialization for specific actions could reflect different degrees of specialization in organismal structures. Finally, we quantitatively show, corroborating earlier observations, that octopus employ a dimension reduction strategy by actively deciding to recruit adjacent arms over other available arms during either sequential or synchronous visually triggered prey attack.</p>
Octopus bimaculoides visually-evoked prey capture
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RNA sequencing of Octopus bimaculoides bulk tissues
GEO Series GSE156748. Octopus bimaculoides. 16 samples. Type: Expression profiling by high throughput sequencing.
Cell types and molecular architecture of the Octopus bimaculoides visual system
GEO Series GSE212528. Octopus bimaculoides. 4 samples. Type: Expression profiling by high throughput sequencing.
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.