青春期荷尔蒙信号传递和黄的社会复杂性
Yuval Shalem1, Tzvi S Goldberg1, Guy Bloch1
1Department of Ecology, Evolution, and Behavior, The Alexander Silberman Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem 91904, Israel.
Current opinion in insect science
|September 14, 2025
概括
幼年激素 (JH) 在昆虫繁殖和行为中的作用与社会复杂性有很大差异. 它的功能在海门中不均,挑战了社会昆虫的单一进化模型.
科学领域:
- 昆虫内分泌学 昆虫内分泌学
- 进化生物学 进化生物学
- 社会行为 社交行为
背景情况:
- 在蜜蜂 (Apis mellifera) 中,青春激素 (JH) 调节与年龄相关的分工 (DoL),但不是生育能力,与大多数昆虫不同.
- 这表明JH信号的修改可能是昆虫社交性进化的关键.
- 跨海门的研究调查了与社会复杂性相关的JH功能.
研究的目的:
- 为了检查青春激素 (JH) 功能如何在不同的昆虫社会结构中变化.
- 测试JH信号修改是昆虫社交性进化的核心.
- 了解JH在社会昆虫的繁殖和任务执行中的多样性作用.
主要方法:
- 对JH功能在各种海门类动物物种中的现有研究进行比较分析.
- 检查JH在熊蜂 (Bombus terrestris) 生殖和任务执行中的作用.
- 对高度社交的无刺蜂,黄蜂,黄蜂和的JH功能进行了审查.
主要成果:
- 在大黄蜂中,JH调节繁殖,但不能调节任务执行,与蜜蜂形成鲜明对比.
- 在单身或不太社交的蜜蜂中,JH充当主要的淋巴激素.
- 在高度社交的无刺蜂中,JH功能与蜜蜂模型不一致;在黄蜂和黄蜂中,它影响了生育能力和DoL;物种表现出很高的变化.
结论:
- 在社会昆虫中,JH信号通常会被修改,但变化在各个族系之间和族系内有所不同.
- 不支持在所有主要昆虫系中将JH功能与社会复杂性联系起来的单一模型.
- 在JH通路的不同修改允许社会昆虫克服繁殖维护权衡.
更多相关视频
08:53Preparation of Single-cohort Colonies and Hormone Treatment of Worker Honeybees to Analyze Physiology Associated with Role and/or Endocrine System
Published on: September 6, 2016
16.2K
07:39Evaluating the Effect of Environmental Chemicals on Honey Bee Development from the Individual to Colony Level
Published on: April 1, 2017
9.4K
相关概念视频
01:47Osmoregulation in Insects
17.5K
Malpighian tubules are specialized structures found in the digestive systems of many arthropods, including most insects, that handle excretion and osmoregulation. The tubules are typically arranged in pairs and have a convoluted structure that increases their surface area.
17.5K
01:08Chemical Signaling in the Endocrine System
6.1K
A signaling cascade is a series of events that facilitates the transmission of information within or between cells, culminating in a targeted response in the recipient cell. As chemical messengers, hormones are pivotal in initiating and modulating these intricate signaling cascades based on their solubility.
Lipid-soluble hormones, such as steroid hormones, demonstrate an intracellular action. These hormones traverse cell membranes due to their lipid nature. Once inside the target cell, they...
Lipid-soluble hormones, such as steroid hormones, demonstrate an intracellular action. These hormones traverse cell membranes due to their lipid nature. Once inside the target cell, they...
6.1K
02:33Hedgehog Signaling Pathway
9.8K
The Hedgehog gene (Hh) was first discovered due to its control of the growth of disorganized, hair-like bristles phenotype in Drosophila, much like hedgehog spines. Hh plays a crucial role in the development of organs and the maintenance of homeostasis in both invertebrates and vertebrates. However, while Drosophila has only one Hh protein, mammals have multiple functional Hedgehog proteins - Sonic (Shh), Desert (Dhh), and Indian Hedgehog (Ihh). All of these homologous proteins have adapted to...
9.8K
01:19Interactions Between Signaling Pathways
7.2K
Signaling cascades usually lack linearity. Multiple pathways interact and regulate one another, allowing cells to integrate and respond to diverse environmental stimuli.
Convergence and divergence, and cross-talk between signaling pathways
Two distinct signaling pathways can converge on a single functional unit, which may either be a single protein or a complex of proteins. The response is either functionally distinct or synergistic between the two pathways but different from the response...
Convergence and divergence, and cross-talk between signaling pathways
Two distinct signaling pathways can converge on a single functional unit, which may either be a single protein or a complex of proteins. The response is either functionally distinct or synergistic between the two pathways but different from the response...
7.2K
03:14Notch Signaling Pathway
6.4K
The Notch signaling pathway is a major intracellular signaling pathway that is highly conserved over a broad spectrum of metazoan species. It stands unique from other intracellular signaling mechanisms in animals because notch protein itself acts as the receptor as well as the primary signaling molecule.
The Notch gene came into the limelight in 1914 after the discovery that its mutation in Drosophila melanogaster leads to a serrated (or "notched") wing margin phenotype. It was not...
The Notch gene came into the limelight in 1914 after the discovery that its mutation in Drosophila melanogaster leads to a serrated (or "notched") wing margin phenotype. It was not...
6.4K
01:31Sympathetic Signaling
2.2K
Sympathetic signaling, a vital part of the autonomic nervous system, plays a crucial role in mobilizing the body's resources in response to stress or emergencies. It involves the transmission of nerve impulses from sympathetic preganglionic fibers to postganglionic fibers. This results in the release of specific neurotransmitters and activation of adrenergic receptors.
Sympathetic preganglionic fibers release the neurotransmitter acetylcholine (ACh) onto the ganglionic neurons in the...
Sympathetic preganglionic fibers release the neurotransmitter acetylcholine (ACh) onto the ganglionic neurons in the...
2.2K