Results 71 to 80 of about 12,026 (193)

Evidence for two states of thermotolerance

open access: yesInternational Journal of Hyperthermia, 1986
The phenomenon of thermotolerance has been studied in three-day-old larvae of Lymnaea stagnalis (Pulmonata, Mollusca). The lethality of a test treatment (TT) of 1 h, 40.0 degrees C is greatly reduced by pretreatment at elevated temperatures. The induced thermotolerance shows characteristics which are dependent on duration and temperature of the ...
E K, Boon-Niermeijer   +2 more
openaire   +2 more sources

Genomic Investigations Unveil the Genetic Underpinnings of Environmental Adaptation in African Goat Populations

open access: yesIntegrative Zoology, EarlyView.
This study integrates genomics and landscape genetics to analyze African goat environmental adaptation. Analyzing 1591 samples, it finds population structure differentiates geographically into four groups, with gene flow between wild Yura goats and North Africans.
Weifeng Peng   +19 more
wiley   +1 more source

Polyesterase activity and thermostability of carboxylesterases from Thermoleophilum album YS‐3

open access: yesThe FEBS Journal, EarlyView.
Three novel α/β‐hydrolases from thermophilic bacterium Thermoleophilum album display carboxylesterase and polyesterase activity. These enzymes hydrolyse PET, PLA and PCL both at high and moderate temperatures. TA21 shows superior activity, efficiently converting MHET to terephthalic acid. Structural features underlying substrate binding highlight their
Tatyana N. Chernikova   +6 more
wiley   +1 more source

High salinity conveys thermotolerance in the coral model Aiptasia

open access: yesBiology Open, 2017
The endosymbiosis between dinoflagellate algae of the genus Symbiodinium and stony corals provides the foundation of coral reef ecosystems. Coral bleaching, the expulsion of endosymbionts from the coral host tissue as a consequence of heat or light ...
Hagen M. Gegner   +5 more
doaj   +1 more source

Reprogramming of Tomato Leaf Metabolome by the Activity of Heat Stress Transcription Factor HsfB1

open access: yesFrontiers in Plant Science, 2020
Plants respond to high temperatures with global changes of the transcriptome, proteome, and metabolome. Heat stress transcription factors (Hsfs) are the core regulators of transcriptome responses as they control the reprogramming of expression of ...
Marine Josephine Paupière   +6 more
doaj   +1 more source

Joint effects of elevated copper and temperature in juvenile Tambaqui exposed in black and white waters of the Amazon

open access: yesJournal of Fish Biology, EarlyView.
Abstract This study aimed to investigate how exposure to elevated water temperature and metal concentration jointly affect the physiology of Amazonian fish. Aboard a research vessel in the Amazon, we evaluated the effects of water temperature (river T°C at 31.5°C and a + 4°C increase to 35.5°C) and of 3‐h copper (Cu) exposure (up to 600 μg/L) in ...
Anne Crémazy   +6 more
wiley   +1 more source

Fascinating single‐cell red algae: models for evolution and adaptation

open access: yesNew Phytologist, EarlyView.
Summary The unicellular red algae, Cyanidiophyceae, that diverged early during Archaeplastida (algal and plant) evolution, occupy a variety of extreme habitats that are inhospitable for most other eukaryotes. With the use of modern genomics and genetics methods, Cyanidiophyceae show a remarkable taxonomic diversity, share haplodiplophasic life cycles ...
Frédéric Berger   +13 more
wiley   +1 more source

Metacaspases contribute to the cellular response to heat stress in a marine diatom

open access: yesNew Phytologist, EarlyView.
Summary Climate‐driven marine heatwaves (HW) are extreme, large‐scale events characterized by elevated ocean temperatures lasting from days to months. Despite their importance, little is known about the molecular mechanisms of algal response to marine HW. Recent studies suggest that metacaspases play an important role in thermotolerance.
Mai Sadeh   +6 more
wiley   +1 more source

Unraveling the mechanism of thermotolerance by Set302 in Cryptococcus neoformans

open access: yesMicrobiology Spectrum
The underlying mechanism of thermotolerance, which is a key virulence factor essential for pathogenic fungi such as Cryptococcus neoformans, is largely unexplored.
Yue Ni   +14 more
doaj   +1 more source

Inducible and constitutive heat shock gene expression responds to modification of Hsp70 copy number in Drosophila melanogaster but does not compensate for loss of thermotolerance in Hsp70 null flies

open access: yesBMC Biology, 2008
Background The heat shock protein Hsp70 promotes inducible thermotolerance in nearly every organism examined to date. Hsp70 interacts with a network of other stress-response proteins, and dissecting the relative roles of these interactions in causing ...
Nimali Mario   +3 more
doaj   +1 more source

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