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cold tolerance

  • RESEARCH ARTICLE
    Shift in worker physiology and gene expression pattern from reproductive to diapause-like with colony age in the bumble bee Bombus impatiens
    Erin D. Treanore, Jacklyn M. Kiner, Mackenzie E. Kerner, Etya Amsalem
    Journal of Experimental Biology 2020 223: jeb218768 doi: 10.1242/jeb.218768 Published 4 May 2020

    Summary: Bumblebee workers exhibit a physiological signature (innate to workers, queen or the colony) corresponding to colony age with a shift towards a diapause-like profile in late-eclosing workers.

  • REVIEW
    Rapid cold hardening: ecological relevance, physiological mechanisms and new perspectives
    Nicholas M. Teets, J. D. Gantz, Yuta Kawarasaki
    Journal of Experimental Biology 2020 223: jeb203448 doi: 10.1242/jeb.203448 Published 12 February 2020

    Summary: Rapid cold hardening allows ectotherms to quickly enhance their cold tolerance. Here, we review the ecological relevance, underlying mechanisms and future research directions for this important process.

  • SHORT COMMUNICATION
    Evidence for a rapid cold hardening response in cultured Drosophila S2 cells
    Emily A. W. Nadeau, Nicholas M. Teets
    Journal of Experimental Biology 2020 223: jeb212613 doi: 10.1242/jeb.212613 Published 27 January 2020

    Summary: Many insects quickly enhance their cold tolerance with a plastic response called rapid cold hardening, and here we demonstrate that cultured Drosophila cells are capable of this impressive phenotype.

  • RESEARCH ARTICLE
    Selection for reproduction under short photoperiods changes diapause-associated traits and induces widespread genomic divergence
    Hannele Kauranen, Johanna Kinnunen, Anna-Lotta Hiillos, Pekka Lankinen, David Hopkins, R. Axel W. Wiberg, Michael G. Ritchie, Anneli Hoikkala
    Journal of Experimental Biology 2019 222: jeb205831 doi: 10.1242/jeb.205831 Published 17 October 2019

    Highlighted Article: Quasinatural selection for reproduction under short photoperiods affects traits associated with reproductive diapause without altering the circadian rhythm, and induces divergence of SNPs associated with genes and pathways involved in diapause.

  • RESEARCH ARTICLE
    Mitochondrial genotype influences the response to cold stress in the European green crab, Carcinus maenas
    Aidan F. Coyle, Erin R. Voss, Carolyn K. Tepolt, David B. Carlon
    Journal of Experimental Biology 2019 222: jeb203521 doi: 10.1242/jeb.203521 Published 3 September 2019

    Summary: Different mitochondrial haplotypes of Carcinus maenas in the Gulf of Maine, derived from multiple biological introductions, have a strong, male-specific effect on whether invasive crabs can right themselves under cold stress, while two candidate nuclear loci have no such effect.

  • REVIEW
    The many roles of fats in overwintering insects
    Brent J. Sinclair, Katie E. Marshall
    Journal of Experimental Biology 2018 221: jeb161836 doi: 10.1242/jeb.161836 Published 7 March 2018

    Summary: We explore the evidence that insects subsist on fat overwinter, the consequences of subzero temperatures for fat metabolism, and some of the emerging functional roles of fat in overwintering insects.

  • RESEARCH ARTICLE
    Critical thermal limits affected differently by developmental and adult thermal fluctuations
    Paul Vinu Salachan, Jesper Givskov Sørensen
    Journal of Experimental Biology 2017 220: 4471-4478; doi: 10.1242/jeb.165308

    Summary: Thermal fluctuations during development in Drosophila melanogaster lead to detrimental cold and beneficial heat acclimation responses, while thermal fluctuations induce little acclimation response during adult exposure.

  • RESEARCH ARTICLE
    CRISPR-induced null alleles show that Frost protects Drosophila melanogaster reproduction after cold exposure
    Claire E. Newman, Jantina Toxopeus, Hiroko Udaka, Soohyun Ahn, David M. Martynowicz, Steffen P. Graether, Brent J. Sinclair, Anthony Percival-Smith
    Journal of Experimental Biology 2017 220: 3344-3354; doi: 10.1242/jeb.160176

    Summary: The Drosophila gene Frost is expressed in response to cold exposure. Genome editing shows that its function is to protect post-cold reproduction rather than to improve tolerance during cold exposure.

  • RESEARCH ARTICLE
    Reversibility of developmental heat and cold plasticity is asymmetric and has long-lasting consequences for adult thermal tolerance
    Stine Slotsbo, Mads F. Schou, Torsten N. Kristensen, Volker Loeschcke, Jesper G. Sørensen
    Journal of Experimental Biology 2016 219: 2726-2732; doi: 10.1242/jeb.143750

    Summary: Using Drosophila melanogaster, we show how developmental plasticity of cold tolerance is completely reversible in the adult stage, while adult acclimation in heat tolerance is constrained by developmental temperature.

  • RESEARCH ARTICLE
    Arginine and proline applied as food additives stimulate high freeze tolerance in larvae of Drosophila melanogaster
    Vladimír Koštál, Jaroslava Korbelová, Rodolphe Poupardin, Martin Moos, Petr Šimek
    Journal of Experimental Biology 2016 219: 2358-2367; doi: 10.1242/jeb.142158

    Highlighted Article: Development of a laboratory technique that secures high survival of the tropical fly Drosophila melanogaster when most of its body water is frozen.

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