Metamorphosis starts with Met
نویسندگان
چکیده
منابع مشابه
Metamorphosis starts with Met.
J uvenile hormone (JH) has long been known to be a potent regulator of metamorphosis in most insects, but learning how it acts has been hindered until now by failure to find an entry point for its mechanism of action. Using the beetle Tribolium castaneum, Konopova and Jindra (1) have achieved a result long and fruitlessly sought in Drosophila, which is reported in this issue of PNAS. They have ...
متن کاملBroad-Complex acts downstream of Met in juvenile hormone signaling to coordinate primitive holometabolan metamorphosis.
Metamorphosis of holometabolous insects, an elaborate change of form between larval, pupal and adult stages, offers an ideal system to study the regulation of morphogenetic processes by hormonal signals. Metamorphosis involves growth and differentiation, tissue remodeling and death, all of which are orchestrated by the morphogenesis-promoting ecdysteroids and the antagonistically acting juvenil...
متن کاملMET Is Required for the Maximal Action of 20-Hydroxyecdysone during Bombyx Metamorphosis
Little is known about how the putative juvenile hormone (JH) receptor, the bHLH-PAS transcription factor MET, is involved in 20-hydroxyecdysone (20E; the molting hormone) action. Here we report that two MET proteins found in the silkworm, Bombyx mori, participate in 20E signal transduction. Met is 20E responsive and its expression peaks during molting and pupation, when the 20E titer is high. A...
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A t the start of mitosis, the nuclear envelope breaks down and merges with the endoplasmic reticulum (ER). At the same time, the nuclear pore complexes that mediate transport across the inner and outer membranes of the envelope also disassemble. Transmembrane pore proteins move into the ER, while soluble components disperse into the cyto-plasm. Lu et al. use rapid, live-cell 3D imaging to estab...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 2007
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.0704255104