Results 181 to 190 of about 92,026 (241)

Probiotic colonization of <i>Xenopus laevis</i> skin causes short-term changes in skin microbiomes and gene expression. [PDF]

open access: yesInfect Immun
Madison JD   +8 more
europepmc   +1 more source

Characterization of regeneration initiating cells during Xenopus laevis tail regeneration. [PDF]

open access: yesGenome Biol
Sindelka R   +11 more
europepmc   +1 more source
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Myogenesis in Xenopus laevis

Trends in Cardiovascular Medicine, 1994
The amphibian embryo provides a convenient experimental system with which to study myogenesis. The earliest steps in the formation of axial and cardiac muscle are accessible for investigation using both embryological and molecular approaches. We review the origins of skeletal and cardiac muscle in the Xenopus embryo, the molecular markers available to ...
MOHUN T   +3 more
openaire   +3 more sources

Protamine polymorphism in Xenopus laevis laevis

Journal of Experimental Zoology, 1987
AbstractProtamines from individual frogs of the subspecies Xenopus laevis laevis were compared by electrophoresis on polyacrylamide gels containing acetic acid, urea, and Triton X‐100 to determine if the expression of protamine genes differs among individuals. Two electrophoretic bands, SP2a and SP2b, appeared to be expressed as allelic variants. Of 33
M S, Risley, R A, Eckhardt
openaire   +2 more sources

Polymely in Xenopus laevis

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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RICKETS AND OSTEOPOROSIS IN XENOPUS LAEVIS

Journal of Endocrinology, 1950
Gross 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, 1993
Model 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, 1974
1. 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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