vitellogenin


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vi·tel·lo·gen·in

(vī'tel-ō-jen'in),
An egg yolk precursor protein; production is stimulated by estrogens.
[L. vitellus, egg yolk, + -gen + -in]
References in periodicals archive ?
Pieces of the bacteria are then bound to vitellogenin -- a protein -- and carried via blood to the developing eggs.
Among those metabolites, vitellogenin (Vtg) is synthesized in the digestive gland and is a precursor of vitellin (Vn), a protein located in the yolk of maturing oocytes (Zimowska et al.
Quantification and associated variability of induced vitellogenin gene transcripts in fathead minnow (Pimephales promelas) by quantitative real-time polymerase chain reaction assay.
For example, the function of the vitellogenin gene in amniotic organisms is known, as is the function of the numerous olfactory receptors we observe as pseudogenes in humans and other primates.
Irwin LK, Gray S, Oberdrster E (2001) Vitellogenin induction painted turtle Chrysemys picta, as a biomarker of exposure to environmental levels of estradiol.
Electrochemical immunoassay for vitellogenin based on sequential injection using antigen-immobilized magnetic microbeads.
Clams receiving the highest bifenthrin dose produced 46 percent more of the protein vitellogenin than did clams in water without insecticides.
144 9:20 EVALUATION OF RELATIONSHIPS BETWEEN REPRODUCTIVE METRICS, GENDER AND VITELLOGENIN EXPRESSION IN DEMERSAL FLATFISH COLLECTED NEAR THE MUNICIPAL WASTEWATER OUTFALL OF ORANGE COUNTY, CALIFORNIA, USA.
The sterols available through the diet are utilizing for synthesizing the vitellogenin and moulting thereby delayed.
During this one intensive week in residence, the teachers work with researchers to analyze alligator eggs from contaminated sites (Ecotoxicology Project), use Western blots to identify the biomarker vitellogenin in minnows exposed to estrogen (Molecular Biomarkers Project), test the bioavailability of heavy metals (Environmental Engineering Project), observe toxin-induced damage in human tissue (HistoPathology Core), and sample local spring and runoff waters for contamination.
All of the male fish in the lake began producing vitellogenin, a precursor to egg proteins, and one-third of the Pearl Dace minnows grew eggs in their testes.