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Four Neurotoxic Insecticides Impair Partner and Host Finding in the Parasitoid Leptopilina heterotoma and Bioactive Doses Can Be Taken up Via the Host.
J Chem Ecol
January 2025
Institute of Zoology, University of Regensburg, Universitätsstraße 31, 93053, Regensburg, Germany.
In modern agriculture, control of insect pests is achieved by using insecticides that can also have lethal and sublethal effects on beneficial non-target organisms. Here, we investigate acute toxicity and sublethal effects of four insecticides on the males' sex pheromone response and the female host finding ability of the Drosophila parasitoid Leptopilina heterotoma. The nicotinic acetylcholine receptor antagonists acetamiprid, flupyradifurone and sulfoxaflor, as well as the acetylcholinesterase inhibitor dimethoate were applied topically as acetone solutions.
View Article and Find Full Text PDFComments on "The smell of sepsis: Electronic nose measurements improve early recognition of sepsis in the ED".
Am J Emerg Med
January 2025
Regenerative Medicine Institute (REMEDI), Biomedical Sciences Building, University of Galway, Galway, Ireland. Electronic address:
Hawkmoth pheromone transduction involves G protein-dependent phospholipase Cβ signaling.
eNeuro
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 PDFAn Open-Source 3D-Printable Platform for Testing Head-Fixed Cognitive Flexibility in Rodents.
eNeuro
January 2025
Department of Neuroscience, University of Connecticut School of Medicine, Farmington, Connecticut 06030
The study of the neural circuitry underlying complex mammalian decision-making, particularly cognitive flexibility, is critical for understanding psychiatric disorders. To test cognitive flexibility, as well as potentially other decision-making paradigms involving multimodal sensory perception, we developed FlexRig, an open-source, modular behavioral platform for use in head-fixed mice. FlexRig enables the administration of tasks relying upon olfactory, somatosensory, and/or auditory cues and employing left and right licking as a behavior readout and reward delivery mechanism.
View Article and Find Full Text PDF[Neurological evaluation of "post-COVID-19 syndrome" (PCS)].
Fortschr Neurol Psychiatr
January 2025
Institut für neurorehabilitative Forschung (InFo), Assoziiertes Institut der Medizinischen Hochschule Hannover (MHH), BDH-Klinik Hess. Oldendorf gGmbH, Hessisch Oldendorf, Germany.
The so-called "post-COVID-19 syndrome" (PCS) includes a variety of subjective complaints and represents a challenge to medical evaluation. The review focuses on symptom validation of the most common neurological, neuropsychiatric and neuropsychological PCS symptoms like fatigue, loss of smell and taste, problems speaking or communicating, cognitive disorders, dysaesthesia and persistent muscle pain.
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