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10 results for “trapping mechanism”
Figure 2 in Phylogeny of sex-determining mechanisms in squamate reptiles: are sex chromosomes an evolutionary trap?
Figure 2. Phylogenetic reconstruction of sex-determining mechanisms in squamate reptiles based on the molecular tree according to Townsend et al. (2004). For details see legend to Figure 1.
Figure 3 in Phylogeny of sex-determining mechanisms in squamate reptiles: are sex chromosomes an evolutionary trap?
Figure 3. Phylogenetic reconstruction of sex-determining mechanisms in squamate reptiles based on the molecular tree according to Vidal & Hedges (2005). For details see legend to Figure 1.
Figure 1 in Phylogeny of sex-determining mechanisms in squamate reptiles: are sex chromosomes an evolutionary trap?
Figure 1. Parsimony analysis of sex-determining mechanisms in squamate reptiles based on the 'morphological' tree. Circles indicate maximum-likelihood reconstructions of ancestral states, only nodes with significant reconstruction are shown (tested by likelihood-ratio test). Numbers in parentheses indicate the counts of species within a genus that share
Polymerase trapping as mechanism of H5 highly pathogenic avian influenza virus genesis
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Impact of intercept trap type on plume structure: a potential mechanism for differential performance of intercept trap designs for Monochamus species
<p>Studies have demonstrated that semiochemical-baited intercept traps differ in their performance for sampling insects, but we have an incomplete understanding of how and why intercept trap design effects vary among insects. This can significantly delay both the development of new and optimization of existing survey and detection tools. The development of a mechanistic understanding of why trap performance varies within and among species would mitigate this delay. The primary objective of this study was to develop methods to characterize and compare the odor plumes associated with intercept traps that differ in their performance for forest Coleoptera. We released CO<sub>2</sub> and measured fluctuations of this tracer gas from 175-point locations arranged in a 2-by-3-by-2-m grid cuboid downwind of a standard multiple-funnel, a modified multiple-funnel, a panel, a canopy malaise trap, and a blank control (i.e., no trap) in a greenhouse. Significant differences in trapping efficacy between these different trap designs were observed for <i>Monochamus scutellatus</i> (Say) and <i>Monochamus notatus</i> (Drury) in a field trial. Significant differences were also observed in how CO<sub>2</sub> accumulated in time at different positions downwind among these different trap designs. Turbulent dispersion is the dominant force structuring odor plumes and creates intermittency in the odor plume that is important for sustained upwind flight in insects. Methodological and instrumental limitations resulted in the inability to determine instantaneous plume structures and vortex shedding frequencies for different intercept trap designs. Although we observed differences in the odor plumes emanating downwind of the different intercept trap designs, we were unable to reconcile these differences with capture rates of the different trap designs for <i>M. scutellatus</i> and <i>M. notatus</i>.</p>
Data From: Shifts in morphological covariation and evolutionary rates across multiple acquisitions of the trap-jaw mechanism in Strumigenys
<p class="MsoNormal">A long-standing question in comparative biology is how the evolution of biomechanical systems influence morphological evolution. The need for functional fidelity implies that the evolution of such systems should be associated with tighter morphological covariation, which may promote or dampen rates of morphological evolution. I examine this question across multiple evolutionary origins of the trap-jaw mechanism in the genus <em>Strumigenys</em>. Trap-jaw ants have latch-mediated, spring actuated systems that amplify the power output of their mandibles. I use Bayesian estimates of covariation and evolutionary rates to test the hypotheses that the evolution of this high-performance system is associated with tighter morphological covariation in the head and mandibles relative to non-trap-jaw forms and that this leads to shifts in rates of morphological evolution. Contrary to these hypotheses, there is no evidence of a large-scale shift to higher covariation in trap-jaw forms while different traits show both increased and decreased evolutionary rates between forms. These patterns may be indicative of many-to-one mapping and/or mechanical sensitivity in the trap-jaw LaMSA system. Overall, it appears that the evolution of trap-jaw forms in <em>Strumigenys</em> did not require a correlated increase in morphological covariation, partly explaining the proclivity with which the system has evolved.</p>
Dataset for Cox et al. (2022), "Short communication: Mechanism and prevention of irreversible trapping of atmospheric He during mineral crushing," Geochronology 2021-42
<p>Dataset for Cox, S. E., Miller, H. B. D., Hofmann, F., and Farley, K. A.: Short Communication: Mechanism and Prevention of Irreversible Trapping of Atmospheric He During Mineral Crushing, Geochronology, https://doi.org/10.5194/gchron-2021-42, 2022.</p>
Data From: Shifts in morphological covariation and evolutionary rates across multiple acquisitions of the trap-jaw mechanism in Strumigenys
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Impact of intercept trap type on plume structure: a potential mechanism for differential performance of intercept trap designs for Monochamus species
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Data from: Functional innovation promotes diversification of form in the evolution of an ultrafast trap-jaw mechanism
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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.