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Journal of Experimental Biology Current Issue
The evolutionary and physiological significance of the Hif pathway in teleost fishes
ABSTRACTThe hypoxia-inducible factor (HIF) pathway is a key regulator of cellular O2 homeostasis and an important orchestrator of the physiological responses to hypoxia (low O2) in vertebrates. Fish can be exposed to significant and frequent chang...
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Posted: September 17, 2021, 12:00 am
Activation of cardiac Nmnat/NAD + /SIR2 pathways mediates endurance exercise resistance to lipotoxic cardiomyopathy in aging Drosophila
ABSTRACTEndurance exercise is an important way to resist and treat high-fat diet (HFD)-induced lipotoxic cardiomyopathy, but the underlying molecular mechanisms are poorly understood. Here, we used Drosophila to identify whether cardiac Nmnat/NAD+...
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Posted: September 15, 2021, 12:00 am
Guidelines for reporting methods to estimate metabolic rates by aquatic intermittent-flow respirometry
ABSTRACTInterest in the measurement of metabolic rates is growing rapidly, because of the importance of metabolism in advancing our understanding of organismal physiology, behaviour, evolution and responses to environmental change. The study of me...
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Posted: September 14, 2021, 12:00 am
Oxidative damage increases with degree of simulated bacterial infection, but not ectoparasitism, in tree swallow nestlings
ABSTRACTThe purpose of mounting an immune response is to destroy pathogens, but this response comes at a physiological cost, including the generation of oxidative damage. However, many studies on the effects of immune challenges employ a single hi...
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Posted: September 14, 2021, 12:00 am
Interspecific variation in bristle number on forewings of tiny insects does not influence clap-and-fling aerodynamics
ABSTRACTMiniature insects must overcome significant viscous resistance in order to fly. They typically possess wings with long bristles on the fringes and use a clap-and-fling mechanism to augment lift. These unique solutions to the extreme condit...
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Posted: September 14, 2021, 12:00 am
