Transgenerational influence of sensorimotor training on offspring behavior and its neural basis in Drosophila.
Transgenerational influence of sensorimotor training on offspring behavior and its neural basis in Drosophila.
复制标题
感觉运动训练对果蝇后代行为的跨代影响及其神经基础。
DOI：
10.1016/j.nlm.2016.03.023
复制
发表时间：
2016
影响因子：
2.7
通讯作者：
Williams,ZivM
中科院分区：
文献类型：
--
作者：
Williams,ZivM
Whether specific learning experiences by parents influence the behavior of subsequent generations remains unclear. This study examines whether and what aspects of parental sensorimotor training prior to conception affect the behavior of subsequent generations and identifies the neural circuitries in Drosophila responsible for mediating these effects. Using genetic and anatomic techniques, I find that both first- and second-generation offspring of parents who underwent prolonged olfactory training over many days displayed a weak but selective approach bias to the same trained odors. However, I also find that the offspring did not differentiate between orders based on whether parental training was aversive or appetitive. Disruption of both olfactory-receptor and dorsal-paired-medial neuron input into the mushroom bodies abolished this change in offspring response, but disrupting synaptic output from α/β neurons of the mushroom body themselves had little effect on behavior even though they remained necessary for enacting newly trained conditioned responses. This study provides a circuit-based understanding of how specific sensory experiences in Drosophila may bias the behavior of subsequent generations, and identifies a transgenerational dissociation between the effects of conditioned and unconditioned sensory stimuli.
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