Xenopus laevis

(redirected from African clawed frog)
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Xenopus laevis

a toad used in the test of pregnancy in women. Called also African clawed toad.
References in periodicals archive ?
Effects of sublethal concentrations of atrazine and nitrate on metamorphosis of the African clawed frog.
The Chinese say it's the year of the rabbit, but for medicine and biology it may be the year of the African clawed frog.
laevis, another member of the African clawed frog family (12-14).
One culprit may be African clawed frogs, which were taken around the world for use in labs, as pets and even in early pregnancy tests.
Atrazine induces complete feminization and chemical castration in male African Clawed Frogs (Xenopus laevis).
Especially dogs, cats, monkeys and African clawed frogs (Xenopus) were re-used.
By tinkering with the voltage in cell membranes of developing African clawed frogs, researchers found that the electric charge, also called membrane potential, plays a role in how big the brain grows and what kind of tissues developing cells grow into.
It appears there are two main theories as to how the chytrid fungus has spread so quickly through Central America; one is through the global shipments of African clawed frogs and the other is through the export of North American bullfrogs, both of which have a tolerance for the fungus.
With funding from Novartis (parent company of Syngenta), he found that male African clawed frogs exposed to this herbicide did not fully develop a voice box, a male characteristic.
Vanessa Williams, from Holyhead, bought two African clawed frogs from a pet shop - but was told they would not breed in tanks.
Kintner and his collaborator, Jennifer Stubbs, a scientist now at Pathway Genomics, a San Diego biotech company, along with Eszter Vladar, a postdoctoral fellow in the laboratory of Jeffery Axelrod, at the Stanford University School of Medicine, made their discovery by initially studying the embryos of African clawed frogs (Xenopus laevis).

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