Recent advances in understanding the mechanisms of sexually dimorphic plasticity: insights from beetle weapons and future directions.
Recent advances in understanding the mechanisms of sexually dimorphic plasticity: insights from beetle weapons and future directions.
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DOI：
10.1016/j.cois.2017.11.009
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发表时间：
2018-03
影响因子：
5.3
通讯作者：
Niimi T
中科院分区：
文献类型：
--
作者：
Zinna RA;Gotoh H;Kojima T;Niimi T
许多性二态性的特征，在一种性别中表现得不同或独特，也对生物体的状况敏感。这种现象似乎已经进化到限制在每种性别中处于不同选择压力下的性状之间的遗传冲突。最近的工作揭示了控制这种条件敏感性生长的分子和发育机制，这项工作现在已经扩展到包括性二型性和条件塑性生长，因为这两种现象似乎在分子水平上联系在一起。在所有研究的情况下，基因doublyex，一个保守的调节性别分化，控制两性异形以及条件依赖的塑料反应共同这些特征。然而，下一代组学技术的出现使研究人员能够破译性二态可塑性的共同和分歧机制，并将研究扩展到利用甲虫武器的研究所奠定的基础之外。
Many traits that are sexually dimorphic, appearing either differently or uniquely in one sex, are also sensitive to an organism’s condition. This phenomenon seems to have evolved to limit genetic conflict between traits that are under different selective pressures in each sex. Recent work has shed light on the molecular and developmental mechanisms that govern this condition sensitive growth, and this work has now expanded to encompass both sexual dimorphism as well as conditionally plastic growth, as it seems the two phenomena are linked on a molecular level. In all cases studied the gene doublesex, a conserved regulator of sex differentiation, controls both sexual dimorphism as well as the condition-dependent plastic responses common to these traits. However, the advent of next-generation -omics technologies has allowed researchers to decipher the common and diverged mechanisms of sexually dimorphic plasticity and expand investigations beyond the foundation laid by studies utilizing beetle weapons.
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