果蝇产卵行为的神经生物学:雌性生殖系统的神经控制。

IF 1.8 4区 医学 Q3 GENETICS & HEREDITY Journal of neurogenetics Pub Date : 2024-09-09 DOI:10.1080/01677063.2024.2396352
Mehrnaz Afkhami
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引用次数: 0

摘要

产卵是昆虫雌性生殖行为的关键环节之一。自黑腹果蝇成为模式生物以来,人们一直在研究产卵行为。雌性的内部状态、激素以及营养、光照和社会环境等外部因素都会影响产卵量。Fruitless和doublesex是性别决定途径中的两个关键角色,它们已成为鉴定中枢和外周神经系统中具有生殖意义的神经元的焦点。生殖道和外末梢神经中的感觉神经元传递着卵成熟、交配和产卵的感觉信息。这些感觉信号包括雄性附属腺产品的存在和机械刺激。腹部神经丘中的神经元接收来自生殖道的信息,包括性肽腹神经节神经元(SAGs),并将信息发送到大脑。在大脑中,aDNs 和 pC1 簇等神经元群调节产卵决策,而 oviINs 和 oviDNs 等其他神经元则是产卵本身所必需的。最后,参与产卵的运动神经元主要是章胺能神经元,它们位于腹部神经节,协调产卵所需的肌肉运动。产卵神经元控制在隐性雌性选择等各种进化过程中都很重要,利用不同果蝇物种可以为该领域的未来发展提供有趣的途径。
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Neurobiology of egg-laying behavior in Drosophila: neural control of the female reproductive system.

Egg-laying is one of the key aspects of female reproductive behavior in insects. Egg-laying has been studied since the dawn of Drosophila melanogaster as a model organism. The female's internal state, hormones, and external factors, such as nutrition, light, and social environment, affect egg-laying output. However, only recently, neurobiological features of egg-laying behavior have been studied in detail. fruitless and doublesex, two key players in the sex determination pathway, have become focal points in identifying neurons of reproductive significance in both central and peripheral nervous systems. The reproductive tract and external terminalia house sensory neurons that carry the sensory information of egg maturation, mating and egg-laying. These sensory signals include the presence of male accessory gland products and mechanical stimuli. The abdominal neuromere houses neurons that receive information from the reproductive tract, including sex peptide abdominal ganglion neurons (SAGs), and send their information to the brain. In the brain, neuronal groups like aDNs and pC1 clusters modulate egg-laying decision-making, and other neurons like oviINs and oviDNs are necessary for egg-laying itself. Lastly, motor neurons involved in egg-laying, which are mostly octopaminergic, reside in the abdominal neuromere and orchestrate the muscle movements required for laying the egg. Egg-laying neuronal control is important in various evolutionary processes like cryptic female choice, and using different Drosophila species can provide intriguing avenues for the future of the field.

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来源期刊
Journal of neurogenetics
Journal of neurogenetics 医学-神经科学
CiteScore
4.40
自引率
0.00%
发文量
13
审稿时长
>12 weeks
期刊介绍: The Journal is appropriate for papers on behavioral, biochemical, or cellular aspects of neural function, plasticity, aging or disease. In addition to analyses in the traditional genetic-model organisms, C. elegans, Drosophila, mouse and the zebrafish, the Journal encourages submission of neurogenetic investigations performed in organisms not easily amenable to experimental genetics. Such investigations might, for instance, describe behavioral differences deriving from genetic variation within a species, or report human disease studies that provide exceptional insights into biological mechanisms
期刊最新文献
The initial years of the Cold Spring Harbor Laboratory summer course on the neurobiology of Drosophila. Clinical potential of epigenetic and microRNA biomarkers in PTSD. Molecular analysis of SMN2, NAIP, and GTF2H2 gene deletions and relationships with clinical subtypes of spinal muscular atrophy. Neurobiology of egg-laying behavior in Drosophila: neural control of the female reproductive system. Memoir of the early years of the CSHL summer Drosophila neurobiology course: 1984-1985.
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