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It's a good thing that severely hypoxic salmon (Salmo salar) have a limited capacity to increase heart rate when warmed.
J Exp Biol
January 2025
Department of Ocean Sciences, Memorial University of Newfoundland and Labrador, St. John's, NL. A1C 5S7, Canada.
With climate change, fish are facing rising temperatures, an increase in the frequency and severity of heat waves and hypoxia, sometimes concurrently. However, only limited studies have examined the combined effects of increases in temperature and hypoxia on fish physiology and survival. We measured the cardiorespiratory physiology of 12°C-acclimated Atlantic salmon when exposed acutely to normoxia [100% air saturation (sat.
View Article and Find Full Text PDFThe CRY1-COP1-HY5 axis mediates blue-light regulation of Arabidopsis thermotolerance.
Plant Commun
January 2025
College of Life Sciences, Basic Forestry and Proteomics Research Center, Fujian Agriculture and Forestry University, Fuzhou 350002, China. Electronic address:
High-temperature stress, also referred to as heat stress, often has detrimental effects on plant growth and development. Phytochromes have been implicated in regulating plant heat stress responses, but the role of blue-light receptors, such as cryptochromes, in plant blue light-dependent heat stress response has remained unclear. We found that the blue light receptor cryptochrome 1 (CRY1) negatively regulates heat stress tolerance (thermotolerance) in Arabidopsis.
View Article and Find Full Text PDFHarnessing multivariate insights coupled with susceptibility indices to reveal morpho-physiological and biochemical traits in heat tolerance of cotton.
BMC Plant Biol
January 2025
Plant Breeding and Genetics Division, Nuclear Institute for Agriculture and Biology (NIAB), Faisalabad, Pakistan.
Cotton is essential for the global textile industry however, climate change, especially extreme temperatures, threatens sustainable cotton production. This research aims to identify breeding strategies to improve heat tolerance and utilize stress-resistant traits in cotton cultivars. This study investigated heat tolerance for 50 cotton genotypes at the seedling stage by examining various traits at three temperatures (32 °C, 45 °C and 48 °C) in a randomized plot experiment.
View Article and Find Full Text PDFIdentification of heat tolerant lentil genotypes through stress tolerance indices.
Sci Rep
January 2025
Division of Genetics, Indian Agricultural Research Institute, New Delhi, India.
With climate change projections indicating an increase in the frequency of extreme heat events and irregular rainfall patterns globally, the threat to global food security looms large. Terminal heat stress, which occurs during the critical reproductive stage, significantly limits lentil productivity. Therefore, there is an urgent need to improve lentil's resilience to heat stress to sustain production.
View Article and Find Full Text PDFPhenotypic and genomic characterization of Levilactobacillus brevis YT108: a potential probiotic strain capable of metabolizing xylo-oligosaccharides.
Lett Appl Microbiol
January 2025
Panxi Crops Research and Utilization Key Laboratory of Sichuan Province, Xichang University, Liangshan, China.
Levilactobacillus brevis YT108, identified for its ability to metabolize prebiotic xylo-oligosaccharides (XOS), emerges as a candidate for probiotic use in synbiotic food formulations. This study aimed to investigate the metabolic and genomic traits associated with XOS metabolism in YT108 and to assess its probiotic attributes through whole genome sequencing and in vitro assays. Strain YT108 exhibited robust growth kinetics on XOS as the sole carbon source, with a growth profile comparable to that on glucose, achieving a pH reduction to 4.
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