منابع مشابه
Inducers of Imposex in Gastropods and Adipogenesis in Vertebrates
The persistent and ubiquitous environmental contaminant, tributyltin chloride (TBT), induces not only imposex in gastropods but also the differentiation of adipocytes in vitro and increases adipose mass in vivo in vertebrates. TBT is a nanomolar affinity ligand for retinoid X receptor (RXR) in the rock shell (Thais clavigera) and for both the RXR and the peroxisome proliferator activated recept...
متن کاملImposex in Stramonita haemastoma from coastal sites of Cartagena, Colombia.
Imposex is the development of male sexual characteristics caused by the toxic effects of some chemicals that acts as an endocrinal disruptor. Antifouling paints contain these chemicals. Cartagena lacks studies to indicate the extent of imposex in its coastal waters. The aim of this study was to determine the prevalence of imposex in the gastropod Stramonita haemastoma in Cartagena, Colombia. Sp...
متن کاملMassive Variability Surveys from Venezuela
At the Venezuela National Astronomical Observatory we are carrying out variability surveys spanning many hundreds of square degrees near the celestial equator, using an 8k x 8k CCD Mosaic Camera optimized for drift-scanning on a 1m Schmidt telescope. Among the initial efforts was a project to obtain the first moderately deep, homogeneous sample of young stars over an area of ∼ 180sqr.deg. encom...
متن کاملCrisis in Venezuela: A Politico Economic Understanding
More than five years down the line Venezuela had been slipping into an economic cri-sis. An economy wholly dependent on the sale of oil and no diversification of economic production is sure to face such a crisis. The fluctuation in oil prices is sure to hurt the market and the economy. To make matters worse, Venezuela now faces a political crisis with two individuals claiming themselves to be P...
متن کاملImposex in One of the World’s Busiest Shipping Zones
Tributyltin pollution from antifouling paint is well known to disrupt the endocrine system in female marine gastropods. The masculinization of females, including the aberrant growth of a penis and vas deferens and occlusion of the capsule gland, has been reported primarily in neogastropods and is particularly well documented in muricids. Compared to temperate areas, few studies of imposex have ...
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ژورنال
عنوان ژورنال: Ciencias Marinas
سال: 2007
ISSN: 0185-3880,2395-9053
DOI: 10.7773/cm.v33i3.1147