Evaluating testosterone as a phenotypic integrator: From tissues to individuals to species.

作者: K.A. Rosvall , S.E. Lipshutz , E.M. George , A.B. Bentz

DOI: 10.1016/J.MCE.2019.110531

关键词: Evolutionary biologyEndocrine systemPhenotypeSex steroidBiologyReceptorTestosteroneAndrogen receptorHypothalamic–pituitary–gonadal axisHormone

摘要: Hormones have the potential to bring about rapid phenotypic change; however, they are highly conserved over millions of years evolution. Here, we examine evolution hormone-mediated phenotypes, and extent which regulation is achieved via independence or integration many components endocrine systems. We focus on sex steroid testosterone (T), its cognate receptor (androgen receptor) related components. pose predictions mechanisms underlying integration, including coordinated sensitivity T within among tissues along HPG axis. then assess these with case studies from wild birds, asking whether gene expression androgenic signaling naturally co-varies individuals in ways that would promote integration. Finally, review how vary developmental evolutionary time, find limited support for

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