Results 91 to 100 of about 6,694 (212)
Methyl farnesoate (MF), a counterpart of insect juvenile hormones in crustaceans, plays essential roles in molting, metamorphosis, and reproduction. In this paper, we isolated a gene-encoding Krüppel homolog 1 from the mud crab Scylla paramamosain (Sp-Kr-
Yongqi Lai +4 more
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Ultrastructural studies of oogenesis in Bolinus brandaris (Gastropoda: Muricidae)
Ultrastructural studies of oogenesis in Bolinus brandaris are described. Although the initial phase of oogenesis is common to most animal species, vitellogenesis can be considered a species-specific characteristic.
María José Amor +2 more
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PTHrP potentiating estradiol-induced vitellogenesis in sea bream (Sparus auratus, L.) [PDF]
Contains fulltext : 35553.pdf ( ) (Open Access)In fish, vitellogenin is an important nutritional precursor protein produced solely in the liver and released into the blood where it binds calcium.
Canario, A.V. +5 more
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Effects of methoprene, nonylphenol, and estrone on the vitellogenesis of the mysid Neomysis integer
The induction of the female-specific protein, vitellogenin, in male fish is a well-established endpoint to assess exposure to estrogen-like chemicals. The use of vitellogenesis as a biomarker for xenobiotic exposure in egg-laying invertebrates, however ...
Janssen, C.R. +5 more
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Localization of vitellin in different phases of ovarioles during vitellogenesis of MEAM1 whiteflies.
The nuclear and vitellin were seen by laser scanning confocal microscopy following exposure to DAPI (blue) and FITC labeled anti-Vt antibody (green). I: previtellogenesis-phase I oocytes.
Jian-Yang Guo (141951) +7 more
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L'examen histologique et cytologique des ovaires de Barbus holotaénia a permis de distinguer différents stades de développement.(stades 0 à VI). Le stade 0 correspond à la transformation des cellules primordiales en ovocytes.
MUTAMBUE S.
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Oocyte secondary growth in S. spiloleura corresponds to the period in which different vesicular structures are formed, including the cortical alveoli and the yolk granules.
Quagio-Grassiotto, I., Guimaraes, A. C D
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Seawater contains a variety of mineral ions, such as Na+, Mg2+, Ca2+, and K+. Although previous studies have shown that brackish water can promote ovarian development of the Chinese mitten crab (Eriocheir sinensis), it remains unclear whether these ions ...
Shaicheng Zhu +4 more
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A Study of Organelles Associated with Vitellogenesis in Oncomelania Hupensis Quadrasi, A Molluscan Host of Schictosoma ...
F.G Claveria, F.J Etges
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Vitellogenin receptors during vitellogenesis in the rainbow trout Oncorhynchus mykiss
Rainbow trout vitellogenin receptors have been characterized by ligand blotting and Scatchard analysis. Their evolution has been studied over a reproductive cycle in a broodstock of 2-year-old females.
Nunez, Jesus, Bon, E., Le Menn, F.
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