The Hereditary Basis for Melanosis in Hybrids of Mexican Killifishes.
نویسنده
چکیده
منابع مشابه
The Morphology of Melanotic Over-growths in Hybrids of Mexican Killifishes
Genetic studies of hybrids between the Mexican killifishes, Platypoecilus maculatus and Xiphophorus hellerii, have shown that when the black-spotted varieties of Platypoecilus are crossed with Xiphophorus, melanosis appears in some of the hybrid offspring. The distinguishing feature of these black-spotted varieties of Platypoecilus is the presence in the skin of a large type of black chromatoph...
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In reviewing the work on the generic hybrids between Platypoecilus maculatus and X iphophorus hellerii, one is confronted by evidence which seems to point to a definite correlation between melanotic conditions in the hybrid fishes and their characteristic color pattern. In some cases, normal and pathological hybrids occur together in the same brood, born and reared in the same aquarium. But it ...
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Congenital diffuse Melanosis is one of the rarest clinical manifestations of hereditary universal Melanosis and only few cases have been reported all over the world. The presented case is a 54-year-old man who presented to us complaining of erythematous annular lesions on his face and neck since 8 months ago. Diffuse pigmentation of his skin took our attention. According to the patient, d...
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Background: This case report presents a very rare Dandy-Walker malformation (DWM) in association with a sporadic condition characterized by congenital melanocytic nevi and melanocytic thickening of the leptomeninges called Neurocutaneous melanosis (NCM). The DWM is a rare congenital disorder characterized by enlarged posterior fossa and a cystic enlargement of the four...
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ورودعنوان ژورنال:
- Proceedings of the National Academy of Sciences of the United States of America
دوره 17 5 شماره
صفحات -
تاریخ انتشار 2005