- Locust phase polyphenism: an update.
- The Effect of Density-Dependent Phase on the Locust Gut Bacterial Composition
- A call for international research and funding on locusts
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Plant Systematics. Amphibians of North Africa.
Locust phase polyphenism: an update.
Human Reproductive Biology. G Maniere 4 Estimated H-index: 4. Estimated H-index: 8. Ovarian steroidogenesis controlling insect reproduction is mainly regulated by brain gonadotropins liberated from corpora cardiaca CC.
Till now, different neurohormones have been identified in two insect groups only, locusts and mosquitoes, and it is unknown whether they could be active in other insects. In order to complete previous observations on the control of ovarian steroidogenesis in the blowfly, Phormia regina, we examined whether neuropeptides isolated from locust CC have an effect in The muscles of newly hatched Schistocerca gregaria larvae and their possible functions in hatching, digging and ecdysial movements Insecta: Acrididae.
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Bernays 1 Estimated H-index: 1. A detailed study of the hatchling musculature in Schistocerca gregaria Forskal , and comparison with muscles of older first-instar larvae and adults, revealed four categories of muscles: those which are present throughout life permanent muscles , those which are present only in the hatchling and which break down during the first-instar larval stage first accessory muscles , those which are characteristic of larvae and break down in the adult secondary accessory muscles , and those which are Peptidomic survey of the locust neuroendocrine system.
Elke Clynen 27 Estimated H-index: Neuropeptides are important controlling agents in animal physiology. In order to understand their role and the ways in which neuropeptides behave and interact with one another, information on their time and sites of expression is required. The role of egg pod foam and rearing conditions of the phase state of the Asian migratory locust Locusta migratoria migratoria Orthoptera, Acrididae.
Amel Ben Hamouda 2 Estimated H-index: 2. Estimated H-index: 2.
Coloration phase state, morphometrical ratios and the numbers of mature oocytes of Locusta migratoria migratoria were examined in a series of experiments to determine the means by which phase characteristics are passed to the next generation. Washing with distilled water of eggs from egg pods laid by gregarious crowd-reared females resulted in solitarization of the hatchlings after their isolation, indicating that a factor present in eggs encapsulated in foam is causal to gregarization. Such loc Binding specificity of locust odorant binding protein and its key binding site for initial recognition of alcohols.
Quan-Yong Jiang 1 Estimated H-index: 1. Odorant binding proteins OBPs are required for olfaction perception, and thus may be possible targets for controlling the population of pests by interfering with their chemical communication. Here, we have investigated the ligand-binding specificity of LmigOBP1 using 67 volatile odor compounds. Fluorescence assays indicate that LmigOBP1 does not bind fecal volatiles or gree Behavioural phase polyphenism in the Australian plague locust Chortoicetes terminifera.
Published on Jun 23, in Biology Letters 3.
Lindsey J. Gray 2 Estimated H-index: 2. Swarming and the expression of phase polyphenism are defining characteristics of locust species. Increases in local population density mediate morphological, physiological and behavioural changes within individuals, which correlate with mass marching of juveniles in migratory bands and flying swarms of adults. The Australian plague locust Chortoicetes terminifera regularly forms migratory bands and swarms, but is claimed not to express phase polyphenism and has accordingly been used to argue a Cited By Juvenile Hormone receptor Met is essential for ovarian maturation in the Desert Locust, Schistocerca gregaria.
Marijke Gijbels 1 Estimated H-index: 1.
Estimated H-index: 7. Juvenile hormones JH are key endocrine regulators produced by the corpora allata CA of insects. Together with ecdysteroids, as well as nutritional cues, JH coordinates different aspects of insect postembryonic development and reproduction.
The Effect of Density-Dependent Phase on the Locust Gut Bacterial Composition
The function of the recently characterized JH receptor, Methoprene-tolerant Met , appears to be conserved in different processes regulated by JH. However, its functional interactions with other hormonal signalling pathways seem highly dependent on the fee The puzzle of locust density-dependent phase polyphenism.
Published on Jun 1, in Current opinion in insect science 3. Amir Ayali 24 Estimated H-index: Locust density-dependent phase polyphenism presents a quintessential example of environmentally-induced plasticity.
It is an essential reference source for invertebrate physiologists and neurobiologists, entomologists, zoologists and insect biochemists. First published in , the serial is now edited by Steven Simpson and Jerome Casas to provide an international perspective. This volume is a thematic volume focusing on locust phase polyphenism. Would you like to tell us about a lower price?
A call for international research and funding on locusts
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