منابع مشابه
Muscle membrane potential and insect chill coma.
Chill-susceptible insects enter a reversible paralytic state, termed chill coma, at mild low temperatures. Chill coma is caused by neuromuscular impairment, allegedly triggered by cold-induced depolarization of muscle resting membrane potential (Vm). We used five Drosophila species that vary in cold tolerance (chill coma temperature spanning ∼11°C) and repeatedly measured muscle Vm during a dow...
متن کاملGene and protein expression of Drosophila Starvin during cold stress and recovery from chill coma.
In Drosophila melanogaster, the sole member of the Bcl-2-associated anthanogene (BAG)-family proteins, called Starvin (Stv), has only been recently described. BAG proteins regulate a large range of physiological processes including life/death cell balance and stress response. The role of Stv has been poorly studied in the context of abiotic stress and particularly during and after cold stress. ...
متن کاملCold hardening modulates K+ homeostasis in the brain of Drosophila melanogaster during chill coma.
Environmental temperature is one of the most important abiotic factors affecting insect behaviour; virtually all physiological processes, including those which regulate nervous system function, are affected. At both low and high temperature extremes insects enter a coma during which individuals do not display behaviour and are unresponsive to stimulation. We investigated neurophysiological corr...
متن کاملRapid cold hardening improves recovery of ion homeostasis and chill coma recovery time in the migratory locust, Locusta migratoria.
Chill tolerance of insects is defined as the ability to tolerate low temperature under circumstances not involving freezing of intracellular or extracellular fluids. For many insects chill tolerance is crucial for their ability to persist in cold environments and mounting evidence indicates that chill tolerance is associated with the ability to maintain ion and water homeostasis, thereby ensuri...
متن کاملRapid cold hardening improves recovery of ion homeostasis 1 and chill coma recovery in the migratory locust Locusta
Anders Findsen, Jonas Lembcke Andersen, Sofia Calderon, Johannes Overgaard 5 Zoophysiology, Department of Biosciences, Aarhus University, C.F. Møllers Alle 3, Building 1131, 6 DK-8000 Aarhus, Denmark 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Author of correspondence 21 Anders Findsen 22 Zoophysiology, Department of Biosciences 23 Aarhus University 24 C.F. Møllers Alle 3, Building 1131 25 8000 Aarh...
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ژورنال
عنوان ژورنال: Journal of Experimental Biology
سال: 2014
ISSN: 1477-9145,0022-0949
DOI: 10.1242/jeb.105858