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epigenetics

  • RESEARCH ARTICLE
    Parental LC-PUFA biosynthesis capacity and nutritional intervention with alpha-linolenic acid affect performance of Sparus aurata progeny
    Serhat Turkmen, Maria J. Zamorano, Hanlin Xu, Hipólito Fernández-Palacios, Lidia Robaina, Sadasivam Kaushik, Marisol Izquierdo
    Journal of Experimental Biology 2020 223: jeb214999 doi: 10.1242/jeb.214999 Published 7 December 2020

    Summary: Offspring growth and polyunsaturated fatty acid (LC-PUFA) utilization is linked to parental long-chain biosynthesis capacity and nutrition during the spawning period.

  • COMMENTARY
    Remodeling the epigenome and (epi)cytoskeleton: a new paradigm for co-regulation by methylation
    Cheryl Walker, Warren Burggren
    Journal of Experimental Biology 2020 223: jeb220632 doi: 10.1242/jeb.220632 Published 3 July 2020

    Summary: A shared chromatocytoskeletal machinery uses methylation to remodel chromatin and the cytoskeleton; we discuss how this might regulate and integrate cellular functions, and suggest the term ‘epiregulation’ to describe this co-regulation.

  • RESEARCH ARTICLE
    Changes in the expression of genes involved in DNA methylation and histone modification in response to daily food availability times in zebra finches: epigenetic implications
    Ila Mishra, Aakansha Sharma, Abhilash Prabhat, Twinkle Batra, Indu Malik, Vinod Kumar
    Journal of Experimental Biology 2020 223: jeb217422 doi: 10.1242/jeb.217422 Published 31 January 2020

    Summary: An enforced daily feeding schedule in the long term could serve as a conditioning environment that shapes overall hypothalamic regulation, liver and gonadal functions in diurnal vertebrates at the genetic levels.

  • RESEARCH ARTICLE
    Parental stressor exposure simultaneously conveys both adaptive and maladaptive larval phenotypes through epigenetic inheritance in the zebrafish (Danio rerio)
    Naim M. Bautista, Warren W. Burggren
    Journal of Experimental Biology 2019 222: jeb208918 doi: 10.1242/jeb.208918 Published 5 September 2019

    Editors' Choice: Exposure to environmental stressors may be detrimental for a population; however, it may prompt epigenetically inherited adaptive phenotypes in the offspring, acting as a bridge for survival when persistent stressors occur.

  • RESEARCH ARTICLE
    Histone deacetylase activity is required for Botrylloides leachii whole-body regeneration
    Lisa Zondag, Rebecca M. Clarke, Megan J. Wilson
    Journal of Experimental Biology 2019 222: jeb203620 doi: 10.1242/jeb.203620 Published 5 August 2019

    Summary: Histone deacetylases are key epigenetic modifiers in Botrylloides leachii, a tunicate capable of whole-body regeneration. HDAC activity is required for regeneration and correct gene expression in this novel model system.

  • RESEARCH ARTICLE
    Changes of gene expression but not cytosine methylation are associated with male parental care reflecting behavioural state, social context and individual flexibility
    Christopher B. Cunningham, Lexiang Ji, Elizabeth C. McKinney, Kyle M. Benowitz, Robert J. Schmitz, Allen J. Moore
    Journal of Experimental Biology 2019 222: jeb188649 doi: 10.1242/jeb.188649 Published 16 January 2019

    Summary: Behavioural state has more influence on gene expression than social context or individual flexibility during a transition to parental care, whereas cytosine methylation is not associated with differential gene expression.

  • COMMENTARY
    Genetic accommodation and the role of ancestral plasticity in the evolution of insect eusociality
    Beryl M. Jones, Gene E. Robinson
    Journal of Experimental Biology 2018 221: jeb153163 doi: 10.1242/jeb.153163 Published 26 November 2018

    Summary: Social insects are excellent models for studying phenotypic plasticity. We review issues associated with understanding the genetics of plasticity-first evolution and outline an empirical approach to help advance this field.

  • COMMENTARY
    Learning to starve: impacts of food limitation beyond the stress period
    Marshall D. McCue, John S. Terblanche, Joshua B. Benoit
    Journal of Experimental Biology 2017 220: 4330-4338; doi: 10.1242/jeb.157867

    Summary: Animals previously exposed to starvation exhibit a wide range of physiological and molecular changes, some of which persist long afterwards and may offer them and subsequent generations protection from future starvation events.

  • RESEARCH ARTICLE
    Long-term programming effect of embryonic hypoxia exposure and high-carbohydrate diet at first feeding on glucose metabolism in juvenile rainbow trout
    Jingwei Liu, Karine Dias, Elisabeth Plagnes-Juan, Vincent Veron, Stéphane Panserat, Lucie Marandel
    Journal of Experimental Biology 2017 220: 3686-3694; doi: 10.1242/jeb.161406

    Summary: Embryonic hypoxia and dietary stimuli can affect growth performance and the mRNA levels of glucose-metabolism-related genes in juvenile rainbow trout.

  • RESEARCH ARTICLE
    DNA methylation profiles in red blood cells of adult hens correlate with their rearing conditions
    Fábio Pértille, Margrethe Brantsæter, Janicke Nordgreen, Luiz Lehmann Coutinho, Andrew M. Janczak, Per Jensen, Carlos Guerrero-Bosagna
    Journal of Experimental Biology 2017 220: 3579-3587; doi: 10.1242/jeb.157891

    Summary: Differential DNA methylation occurs in red blood cells of adult hens reared under different conditions, i.e. in cages or open aviaries.

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