The "Hogben test" got its start in 1930, when British biologist Lancelot Hogben began looking into what he called a godsend for hormone research: The African clawed frog, or Xenopus laevis.

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A female African clawed frog, Xenopus laevis, was housed at the Biological Resources Facility of North Carolina State University in a tank with two other females. The frog was ∼1.5 years old and ...

Actually, they are quite similar. The three clawed frog species, Xenopus borealis, laevis and tropicalis, are about as closely related as a horse and a donkey. But when it comes to their comfort ...

More information: Ben J Evans et al, Rapid Sex Chromosome Turnover in African Clawed Frogs (Xenopus) and the Origins of New Sex Chromosomes, Molecular Biology and Evolution (2024). DOI ...

According to the study, Xenopus frogs' cornified claws are made of unique proteins called keratins, which are strikingly ...

Dr. Jonathan Spencer had a breeding colony of Xenopus frogs that was like the bathtub. Animals came and went, but all of the available tanks were always occupied. Kyle Sawyer, the animal facility ...

Our goal is to determine the role of the transcription factor SIX1 and SIX1-associated genes in de velopment of the cranial bones, jaws and ear using transgenic mice and Xenopus (frog). Our ...