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Nature, 1958
IN several genera of the order Anura supernumerary limbs occur naturally1. They are usually extra hind limbs2. Polymely does not appear to have been reported in the genus Xenopus. The female toad (Xenopus laevis) described here came with a consignment of toads imported from South Africa in 1956. The toad measured 8.0 cm.
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IN several genera of the order Anura supernumerary limbs occur naturally1. They are usually extra hind limbs2. Polymely does not appear to have been reported in the genus Xenopus. The female toad (Xenopus laevis) described here came with a consignment of toads imported from South Africa in 1956. The toad measured 8.0 cm.
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RICKETS AND OSTEOPOROSIS IN XENOPUS LAEVIS
Journal of Endocrinology, 1950Gross deformities appeared in Xenopus laevis maintained for about 2 yr. under laboratory conditions on a diet containing no live food. Radiographs of the affected animals revealed defective calcification of the skeleton. All animals bred in the colony were defective, and only the original adults taken from the wild had normal bones.
H M, BRUCE, A S, PARKES
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Xenopus Laevis as a Model Organism
Systematic Biology, 1993Model organisms are often assumed to be representative of some more inclusive taxon of which the species is a part. This assumption leads to mistaken generalizations about the evolutionary and comparative significance of the data gathered. This paper reviews comparative and evolutionary studies of Xenopus laevis and its relatives. Phylogenetic analysis
David C. Cannatella, Rafael O. De Sa
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Immunoglobulin classes in Xenopus laevis
Comparative Biochemistry and Physiology Part B: Comparative Biochemistry, 19741. 1. Electrophoretically pure 19 S and 7 S immunoglobulins, designated IgMand IgG, were prepared from Xenopus laevis serum. Both immunoglobulins possessed antibody activity. 2. 2. The sedimentation coefficient for IgM is 19·5 S, for IgG 6·1 S. Reduction and alkylation of IgM yielded subunits with a sedimentation coefficient of 4·1 S. 3. 3.
R D, Jurd, G T, Stevenson
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Cold Spring Harbor Protocols, 2007
INTRODUCTION“Einstecks” refers to a procedure for placing a piece of tissue into the blastocoel of an early gastrula, in order to assess the inductive potential of the introduced tissue. The foreign tissue adheres to surrounding tissue and becomes incorporated into the host embryo.
Hazel L, Sive +2 more
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INTRODUCTION“Einstecks” refers to a procedure for placing a piece of tissue into the blastocoel of an early gastrula, in order to assess the inductive potential of the introduced tissue. The foreign tissue adheres to surrounding tissue and becomes incorporated into the host embryo.
Hazel L, Sive +2 more
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Alternative housing for Xenopus laevis
Lab Animal, 2008At the authors' facility, housing arrangements for Xenopus laevis were cumbersome and labor-intensive, requiring technicians to wash frog tanks by hand several times a week. The authors describe an alternative housing solution they implemented by modifying a rack system that was originally used to maintain zebrafish.
Jaime, White-James +3 more
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Antigens of the lens of Xenopus laevis
Experimental Eye Research, 1968The antigens of the lens of Xenopus laevis were investigated by elect rophoresis, immunological double-diffusion methods and immuno-electrophoresis. Twenty-two lens antigens were detected. A new nomenclature for lens proteins is suggested.
J C, Campbell, R M, Clayton, D E, Truman
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The Physiology of the Xenopus laevis Ovary
2006Xenopus laevis has been used for many decades to study oocyte development and maturation. The Xenopus oocytes' large size, relative abundance, and clearly defined progression of physical characteristics from oogonia to eggs make them ideal for studying oogenesis.
Melissa A, Rasar, Stephen R, Hammes
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Synaptonemal Complexes of Xenopus laevis
Journal of Heredity, 1992Synaptonemal complexes (SCs) have been analyzed in spread Xenopus spermatocytes and oocytes. They showed all the usual features of animal SCs in addition to a high incidence of centromere mismatching. A centriole pair is visible throughout zygotene and pachytene.
J, Loidl, D, Schweizer
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The spindle checkpoint in Xenopus Laevis
Frontiers in Bioscience, 2008The spindle checkpoint ensures accurate chromosome segregation by delaying anaphase onset until all kinetochores have properly established bipolar attachment to spindle microtubules. This mechanism is important for all eukaryotic cells and is evolutionarily conserved.
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