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7 results for “CTmax”
Data for: Greater plasticity in CTmax with increased climate variability among populations of tailed frogs lacking opportunity for behavioral thermoregulation
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Data from: Neural dysfunction correlates with heat coma and CTmax in Drosophila but does not set the boundaries for heat stress survival
<p>When heated, insects lose coordinated movement followed by the onset of heat coma (critical thermal maximum, CTmax). These traits are popular measures to quantify interspecific and intraspecific differences in insect heat tolerance, and CTmax correlates well with current species distributions of insects, including <em>Drosophila</em>. Here, we examined the function of the central nervous system (CNS) in five species of <em>Drosophila</em> with different heat tolerances, while they were exposed to either constant high temperature or a gradually increasing temperature (ramp). Tolerant species were able to preserve CNS function at higher temperatures and for longer durations than sensitive species, and similar differences were found for the behavioural indices (loss of coordination and onset of heat coma). Furthermore, the timing and temperature (constant and ramp exposure, respectively) for loss of coordination or complete coma coincided with the occurrence of spreading depolarisation (SD) events in the CNS. These SD events disrupt neurological function and silence the CNS, suggesting that CNS failure is the primary cause of impaired coordination and heat coma. Heat mortality occurs soon after heat coma in insects; to examine whether CNS failure could also be the proximal cause of heat death, we used selective heating of the head (CNS) and abdomen (visceral tissues). When comparing the temperature causing 50% mortality (LT50) of each body part versus that of the whole animal, we found that the head was not particularly heat sensitive compared with the abdomen. Accordingly, it is unlikely that nervous failure is the principal/proximate cause of heat mortality in <em>Drosophila</em>.</p>
Interpopulation variation in growth, CTMax and metabolism among seasonal phenologies of Chinook Salmon
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Data from: Evidence for lower plasticity in CTMAX at warmer developmental temperatures
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Measures of CTmax and gene expression in <em>Daphnia</em> clones acclimated to three temperatures
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Data from: Neural dysfunction correlates with heat coma and CTmax in Drosophila but does not set the boundaries for heat stress survival
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Data files and R scripts for manuscript: Acute warming tolerance (CTmax) in zebrafish (Danio rerio) appears unaffected by changes in water salinity
<p>See README and R-scripts for more info.</p> <p>Update for v2: model is now fit using <em>lmerTest</em> package. Previous version erroneously used <em>lme4</em>, which does not work for using type 3 sums of squares in anova.</p> <p>Update for v3: 1) An additional term has been added to the model, including the number of minutes passed from the start of the salinity treatment until the CTmax test for each fish (for the 2 hr treatment). 2) A table including the daily salinity measurements has been added.</p> <p>Update for v4: Minor error fix in "script-preload-resources.R" using wrong filename for table-salinities.txt</p> <p>Preprint: https://www.biorxiv.org/content/10.1101/2022.08.02.502531v1</p>
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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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.