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<p><em>A research consortium led by scientists from the Leibniz Institute for Zoo and Wildlife Research (Leibniz-IZW) provide evidence that social behaviour and social status are reflected at the molecular level of gene activation (epigenome) in juvenile and adult free-ranging spotted hyenas. They analysed non-invasively collected gut epithelium samples from both high-ranking and low-ranking female hyenas and showed that rank differences were associated with epigenetic signatures of social inequality, i.e., the pattern of activation or switching off of genes that regulate important physiological processes such as energy conversion and immune response in several genome regions. The results, published in the scientific journal &ldquo;Communications Biology&rdquo;, contribute to a better understanding of the role of epigenetic mechanisms in the interplay of social, environmental and physiological factors in the life of a highly social mammal.</em></p>

Colin vullioudSarah benhaiemAlexandra weyrichHeribert hoferSerengeti national parkDepartment of evolutionary geneticsMethod of researchLeibniz institute for zooCommunications biologyWildlife researchDepartment of ecological dynamicsLeibniz instituteEvolutionary geneticsSerengeti hyena projectEcological dynamicsProfessor dr heribert hofer