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608 results for “Heat stress”
<em>Astrangia poculata</em> heat stress pH response
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Differing temperature regimes have no impact on the heat stress response of shallow and upper mesophotic populations of a temperate calcareous sponge
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The tolerance of a keystone ecosystem engineer to extreme heat stress is hampered by microplastic leachates
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Data from: Curation: heat stress responses and population genetics of the kelp Laminaria digitata (Phaeophyceae) across latitudes reveal differentiation among North Atlantic populations
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Developmental heat stress interrupts spermatogenesis inducing early male sterility in Drosophila melanogaster
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Data for: Excess labile carbon promotes diazotroph abundance in heat-stressed octocorals
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Effects of benign and heat-stress conditions on parent clones and their selfed offspring of the pea aphid
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The effects of dissolved organic matter supplements on the metabolism of corals under heat stress
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Spermatozoa RRBS data: Post-Bismark aligned files extracted for the methylation call for every single C in the CpG context of sperm cells of Murrah buffalo bulls under heat stress
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Data from: Within- and across-generational effects of temperature: Exposure of Manduca sexta larvae to heat stress impacts future reproduction and offspring development
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Cellular and whole‐organism effects of prolonged versus acute heat stress in a montane, desert lizard
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Data from: Heat stress conditions affect the social network structure of free‐ranging sheep
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Dataset for: Identification of genomic regions of wheat associated with grain Fe and Zn content under drought and heat stress using genome-wide association study
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Data from: Heat stress increases risk taking in foraging shorebirds
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Beyond a single temperature threshold: applying a cumulative thermal stress framework to plant heat tolerance
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Drought stress and high heat tolerance in domesticated Phaseolus beans
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Heat stress induced nitric oxide (DAF-FM-DA) response in respiratory growing Wild-type, atg32∆ and spe1∆ mutant yeast with and without spermidine addition
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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>
Dataset - A complex network of additive and epistatic quantitative trait loci underlies natural variation of Arabidopsis thaliana quantitative disease resistance to Ralstonia solanacearum under heat stress
<p>Plant immunity is often negatively impacted by heat stress. However, the underlying molecular mechanisms remain poorly characterized. Based on a genome-wide association mapping approach, this study aims to identify in <em>Arabidopsis thaliana</em> the genetic bases of robust resistance mechanisms to the devastating pathogen<em> Ralstonia solanacearum</em> under heat stress. A local mapping population was phenotyped against the <em>R. solanacearum</em> GMI1000 strain at 27 and 30 °C. To obtain a precise description of the genetic architecture underlying natural variation of quantitative disease resistance (QDR), we applied a genome-wide local score analysis. Alongside an extensive genetic variation found in this local population at both temperatures, we observed a playful dynamics of quantitative trait loci along the infection stages. In addition, a complex genetic network of interacting loci could be detected at 30 °C. As a first step to investigate the underlying molecular mechanisms, the atypical meiotic cyclin <em>SOLO DANCERS</em> gene was validated by a reverse genetic approach as involved in QDR to <em>R. solanacearum </em>at 30 °C. In the context of climate change, the complex genetic architecture underlying QDR under heat stress in a local mapping population revealed candidate genes with diverse molecular functions.</p>
A single heat stress bout induces rapid and prolonged heat acclimation in the California mussel, Mytilus californianus
Climate change is not only causing steady increases in average global temperatures but also increasing the frequency with which extreme heating events occur. These extreme events may be pivotal in determining the ability of organisms to persist in their current habitats. Thus, it is important to understand how quickly an organism's heat tolerance can be gained and lost relative to the frequency with which extreme heating events occur in the field. We show that the California mussel, <i>Mytilus californianus</i>—a sessile intertidal species that experiences extreme temperature fluctuations and cannot behaviorally thermoregulate—can quickly (in 24-48 h) acquire improved heat tolerance after exposure to a single sublethal heat-stress bout (2 h at 30 or 35°C) and can maintain this improved tolerance for up to 3 weeks without further exposure to elevated temperatures. This adaptive response improved survival rates by ~75% under extreme heat stress bouts (2 h at 40°C). To interpret these laboratory findings in an ecological context, we evaluated four years of mussel body temperatures recorded in the field. The majority (~64%) of consecutive heat stress bouts were separated by 24-48 h, but several consecutive heat bouts were separated by as much as 22 days. Thus, the ability of <i>M. californianus</i> to maintain improved heat tolerance for up to three weeks after a single sublethal heat-stress bout significantly improves their probability of survival, as ~33% of consecutive heat events are separated by 3-22 days. As a sessile animal, mussels likely evolved the capability to rapidly gain and slowly lose heat tolerance to survive the intermittent, and often unpredictable, heat events in the intertidal zone. This adaptive strategy will likely prove beneficial under the extreme heat events predicted with climate change.
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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.