Results 11 to 20 of about 440 (217)
Role of Endocrine System in the Regulation of Female Insect Reproduction
The proper synthesis and functioning of ecdysteroids and juvenile hormones (JHs) are very important for the regulation of vitellogenesis and oogenesis.
Muhammad Zaryab Khalid +3 more
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The essential oil (EO) of plants of the Poaceae family has diverse chemical constituents with several biological properties. But, data on the chemical constituents and toxicity are still unavailable for some species belonging to this family, such as ...
Roméo Barnabé Bohounton +9 more
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Neurohormones in insect stress: A review [PDF]
The neurohormones are the master regulators of all life processes in insects and they create a strategy of stress protecting events. Neurohormones are synthesized mainly in insect brain neurosecretory neurons.
Perić-Mataruga Vesna +2 more
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Response to short-term stress is a fundamental survival mechanism ensuring protection and adaptation in adverse environments. Key components of the neuroendocrine stress reaction in insects are stress-related hormones, including biogenic amines (dopamine
Margarita A. Bobrovskikh +1 more
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Mercury (Hg) is a global environmental contaminant, and excessive mercury levels in water can adversely affect the growth of fish. Silver carp (Hypophthalmichthys molitrix) is one of the important freshwater aquaculture fish in China, and its natural ...
Yan Pu +8 more
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Kr-h1, a Cornerstone Gene in Insect Life History
Insect life cycle is coordinated by hormones and their downstream effectors. Krüppel homolog1 (Kr-h1) is one of the crucial effectors which mediates the actions of the two critical hormones of insects, the juvenile hormone (JH) and 20-hydroxyecdysone ...
Qianyu He, Yuanxi Zhang
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Juvenile Hormone Induction of Esterases: A Mechanism for the Regulation of Juvenile Hormone Titer [PDF]
Within a few hours after injection of juvenile hormone into Hyalophora gloveri pupae, several fast-migrating carboxylesterases (EC 3.1.1.1) that are sensitive to di iso propylfluorophosphate appear in the hemolymph. Treatment of the pupae with puromycin
D, Whitmore, E, Whitmore, L I, Gilbert
openaire +2 more sources
Background Female sex hormone secretion and reproductive ability decrease with ageing. Bone marrow mesenchymal stem cells (BMMSCs) have been postulated to play a key role in treating ovarian ageing.
Chuan Tian +13 more
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Structure Determination of a Natural Juvenile Hormone Isolated from a Heteropteran Insect
Juvenile hormone (JH), which occurs in several forms in different insects, is one of the most important insect hormones. The structure of JH in Heteroptera has not been elucidated until recently, although insects in this suborder have long been used as ...
Toyomi Kotaki +2 more
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Animals can adjust their physiology, helping them survive and reproduce under a wide range of environmental conditions. One of the strategies to endure unfavorable environmental conditions such as low temperature and limited food supplies is dormancy. In
Yoshitomo Kurogi +3 more
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