Xenopus


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Related to Xenopus: xerarch, Xenurine

Xenopus

 

the genus of tailless amphibians of the suborder Aglossa of the family Pipidae. On the head, next to each eye, there are short feelers. The lateral line organs are located on the sides of the body. There are sharp black claws on the three center toes of the hind feet. The genus comprises eight species, which are distributed in tropical Africa. Its members are aquatic. In tadpoles the external gills and larval teeth are absent. A pair of long sensory tentacles are located near the mouth and there are two gill openings. The most common species is Xenopus laevis, which is used as a laboratory animal.

References in periodicals archive ?
Once used in human pregnancy testing, Xenopus is easier to rear than native North American species, largely because it is entirely aquatic, can be readily force-bred, grows quickly through well-defined stages, and will eat almost any commercial animal feed.
Conclusions: The SGR/BC opsin promoter is capable of driving photoreceptor specific GFP expression in transgenic Xenopus tadpole photoreceptor cells.
A large number of medicinal plants have not yet been studied in detail for their pharmacological activities, and the Xenopus oocyte model offers the possibility of increasing our knowledge of biologically active constituents of plants in the search for novel drug molecules.
In addition to the Xenopus project, the JGI has genomics programs focused on microbes, fungi, fish, and plants.
34,62] When expressed in Xenopus oocytes, it produces potassium current that closely resembles the slowly activating delayed-rectifier potassium current [1.
Xenopus laevis tadpoles are relatively unique among anuran larvae (see Wassersug 1996 for a review).
Xenopus laevis tadpoles were observed to determine which forelimb emerges first in a species with a spiracle on both sides of the body.
Nucleoplasmin is the most abundant protein in the nucleus of Xenopus laevis oocytes, and its molecular mass is about 30 kD and forms a stable pentamer in vivo (Earnshaw et al.
Genetic and genomic tools for Xenopus research: The NIH Xenopus initiative.
Stage V-VI Xenopus oocytes were injected with 50 n1 of a membrane preparation.
He began studying Xenopus for his PhD - little knowing that his work would rock the world of genetics.
The Frog Embryo Teratogenesis Assay-Xenopus (FETAX) assay is a widely used, validated vertebrate toxicity assay that uses the South African clawed frog Xenopus laevis (Bantle & Sabourin, 1991).