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Hawkmoth pheromone transduction involves G protein-dependent phospholipase Cβ signaling.
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January 2025
University of Kassel, 34132 Kassel, Germany.
Evolutionary pressures adapted insect chemosensation to the respective insect's physiological needs and tasks in their ecological niches. Solitary nocturnal moths rely on their acute olfactory sense to find mates at night. Pheromones are detected with maximized sensitivity and high temporal resolution through mechanisms that are mostly unknown.
View Article and Find Full Text PDFBaicalein antagonises Rhopilema esculentum toxin-induced oxidative stress and apoptosis by modulating ROS-MAPK-NF-κB and inhibiting PLA activity.
Toxicon
January 2025
College of Traditional Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China. Electronic address:
The toxicity of jellyfish Rhopilema esculentum (R. esculentum), an edible jellyfish that releases venom, has been controversial. The aim of this comprehensive study was to investigate the toxic effects of jellyfish tentacle extract (TE), which was evaluated in vivo and in vitro using ICR mice and RAW264.
View Article and Find Full Text PDFThe regulatory mechanisms for beef tenderization by the calcium-independent phospholipase A activity of Peroxiredoxin 6.
Food Chem
January 2025
Lab of Meat Processing and Quality Control, College of Food Science and Engineering, Shandong Agricultural University, Tai'an, Shandong 271018, PR China. Electronic address:
This study investigated the effect of the inhibition of the activity of Ca-independent Phospholipase A (iPLA) of Peroxiredoxin 6 (Prdx6) on beef tenderization in the early post-mortem period. Longissimus lumborum (LL) were incubated with or without the inhibitor of iPLA activity of Prdx6 (MJ33) for 1, 6, 12, 24, or 36 h, followed by incubation with or without the HO. iPLA activity, troponin T and desmin, Ca concentration, calpain-1, caspases, apoptosis rate, and cell morphology were examined.
View Article and Find Full Text PDFApplication of bacterioruberin from sp. isolated from Xinjiang desert to extend the shelf-life of fruits during postharvest storage.
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State Key Laboratory of Desert and Oasis Ecology, Key Laboratory of Ecological Safety and Sustainable Development in Arid Lands, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China.
Post-harvest losses and rapid fruit ripening at room temperature are major challenges in preserving fruit quality. This study aimed to reduce such losses by applying a red carotenoid pigment, bacterioruberin extracted from an sp. The carotenoid was characterized as bacterioruberin and its derivative tetra anhydrous bacterioruberin (λmax 490 nm), and an / value of 675 and 742 (M+ 1H).
View Article and Find Full Text PDFProgesterone induces meiosis through two obligate co-receptors with PLA2 activity.
Elife
January 2025
Calcium Signaling Group, Research Department, Weill Cornell Medicine Qatar, Education City, Qatar Foundation, Doha, Qatar.
The steroid hormone progesterone (P4) regulates multiple aspects of reproductive and metabolic physiology. Classical P4 signaling operates through nuclear receptors that regulate transcription. In addition, P4 signals through membrane P4 receptors (mPRs) in a rapid nongenomic modality.
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