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starvation

  • REVIEW
    How dryland mammals will respond to climate change: the effects of body size, heat load and a lack of food and water
    Andrea Fuller, Duncan Mitchell, Shane K. Maloney, Robyn S. Hetem, Vinicius F. C. Fonsêca, Leith C. R. Meyer, Tanja M. F. N. van de Ven, Edward P. Snelling
    Journal of Experimental Biology 2021 224: jeb238113 doi: 10.1242/jeb.238113 Published 24 February 2021

    Summary: Dryland mammals facing climate change are encountering increasing heat as well as reduced water and food availability. We discuss these compound effects on performance in mammals of varying body size.

  • SHORT COMMUNICATION
    The relationship between longevity and diet is genotype dependent and sensitive to desiccation in Drosophila melanogaster
    Andrew W. McCracken, Eleanor Buckle, Mirre J. P. Simons
    Journal of Experimental Biology 2020 223: jeb230185 doi: 10.1242/jeb.230185 Published 2 December 2020

    Summary: Lifespan extension under dietary restriction can occasionally be obscured. In Drosophila melanogaster, a robust appreciation of dietary reaction norms is necessary to conclude an absence of the dietary restriction longevity effect.

  • RESEARCH ARTICLE
    Threshold effect in the H2O2 production of skeletal muscle mitochondria during fasting and refeeding
    Damien Roussel, Mélanie Boël, Mathieu Mortz, Caroline Romestaing, Claude Duchamp, Yann Voituron
    Journal of Experimental Biology 2019 222: jeb196188 doi: 10.1242/jeb.196188 Published 27 February 2019

    Summary: In ducklings, skeletal muscle mitochondrial ROS release remains low until a threshold level of mitochondrial inactivity is exceeded.

  • RESEARCH ARTICLE
    Increased mitochondrial energy efficiency in skeletal muscle after long-term fasting: its relevance to animal performance
    Aurore Bourguignon, Anaïs Rameau, Gaëlle Toullec, Caroline Romestaing, Damien Roussel
    Journal of Experimental Biology 2017 220: 2445-2451; doi: 10.1242/jeb.159087

    Summary: The optimization of mitochondrial energy metabolism in skeletal muscle should favour the preservation of locomotion and thermoregulation, key physiological performances critical to survival in the final phase of fasting.

  • RESEARCH ARTICLE
    Both thyroid hormone levels and resting metabolic rate decrease in African striped mice when food availability decreases
    Rebecca Rimbach, Neville Pillay, Carsten Schradin
    Journal of Experimental Biology 2017 220: 837-843; doi: 10.1242/jeb.151449

    Summary: Seasonal changes occur in the relationship between thyroid hormone levels and resting metabolic rate in free-living African striped mice: a negative relationship exists in the moist season but not the dry season.

  • RESEARCH ARTICLE
    Stress and food deprivation: linking physiological state to migration success in a teleost fish
    Jonathan D. Midwood, Martin H. Larsen, Kim Aarestrup, Steven J. Cooke
    Journal of Experimental Biology 2016 219: 3712-3718; doi: 10.1242/jeb.140665

    Summary: Individual energetic state appears to dictate future life-history strategy whereas an artificial stressor impairs growth and reduces survival regardless of life-history strategy.

  • REVIEW
    Adaptations to polar life in mammals and birds
    Arnoldus Schytte Blix
    Journal of Experimental Biology 2016 219: 1093-1105; doi: 10.1242/jeb.120477

    Summary: Polar animals are well adapted to the hardships of polar life.

  • RESEARCH ARTICLE
    The implications of reduced metabolic rate in resource-limited corals
    Lianne M. Jacobson, Peter J. Edmunds, Erik B. Muller, Roger M. Nisbet
    Journal of Experimental Biology 2016 219: 870-877; doi: 10.1242/jeb.136044

    Summary: Starved of food and light, corals can reduce their metabolism, lose biomass and maintain skeletogenesis; this strategy can be explained by the dynamics of structural and reserve biomass.

  • RESEARCH ARTICLE
    Discontinuous gas-exchange cycle characteristics are differentially affected by hydration state and energy metabolism in gregarious and solitary desert locusts
    Stav Talal, Amir Ayali, Eran Gefen
    Journal of Experimental Biology 2015 218: 3807-3815; doi: 10.1242/jeb.126490

    Summary: This study shows that haemolymph loss and energy metabolism combine to affect the ability of insects to maintain discontinuous gas exchange cycles under stressful conditions.

  • RESEARCH ARTICLE
    Skeletal muscle phenotype affects fasting-induced mitochondrial oxidative phosphorylation flexibility in cold-acclimated ducklings
    Pierre-Axel Monternier, Anaïs Fongy, Frédéric Hervant, Jocelyne Drai, Delphine Collin-Chavagnac, Jean-Louis Rouanet, Damien Roussel
    Journal of Experimental Biology 2015 218: 2427-2434; doi: 10.1242/jeb.122671

    Summary: Starvation increases the energy coupling efficiency of muscle mitochondria, which triggers an economical management of fuels and might drive the fatty acid shift from oxidation to storage within the tissue.

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