| the involvement of catecholamines in the dispersion reaction of the melanophores of xenopus laevis in vivo. | | 1970 | 5478656 |
| composition and structure of chromosomal and amplified ribosomal dna's of xenopus laevis. | | 1970 | 5485907 |
| ribosomes from xenopus laevis ovaries and the polyuridylic acid-directed biosynthesis of polyphenylalanine. | single ribosomes account for 90% or more of the ribosome fraction of xenopus laevis ovaries. these ribosomes have low endogenous activity in a cell-free protein-synthesizing system but synthesize polyphenylalanine in the presence of poly u under conditions comparable with those reported for mammalian or bacterial systems. these observations agree with the view that the ribosome is deficient in mrna. | 1970 | 5488911 |
| ribonucleic acids and ribonucleoproteins from small oöcytes of xenopus laevis. | | 1970 | 5490269 |
| the lateral line system at metamorphosis in xenopus laevis (daudin). | | 1970 | 5493274 |
| stimulation of cell division in pronephros of embryonic grafts following partial nephrectomy in the host (xenopus laevis). | | 1970 | 5493275 |
| reduction of ribosomal rna synthesis and ribosomal rna genes in a mutant of xenopus laevis which organizes only a partial nucleolus. ii. the number of ribosomal rna genes in animals of different nucleolar types. | | 1970 | 5493280 |
| morpho-functional study of hypothalamic neurosecretion. iv. the effect of osmotic stress on the preoptico-neurohypophysial system of rana esculenta, rana temporaria, and xenopus laevis. | | 1970 | 5493990 |
| on the development of the blood island in xenopus laevis embryos: light and electron microscope study. | | 1970 | 5495675 |
| sulphation of simple aliphatic alcohols and bile alcohols by the toad xenopus laevis. | | 1970 | 5500296 |
| reduction of ribosomal rna synthesis and ribosomal rna genes in a mutant of xenopus laevis which organizes only a partial nucleolus. i. ribosomal rna synthesis in embryos of different nucleolar types. | | 1970 | 5500443 |
| conduction velocity in myelinated nerve fibres of xenopus laevis. | 1. the relationship between conduction velocity and nerve diameter in single myelinated nerve fibres from xenopus laevis was measured and was found to be linear.2. the relationship between conduction velocity and temperature in nerve fibres of various diameters was measured over the range 15-30 degrees c and was found to be linear for each fibre.3. the slope of the conduction velocity-temperature relationship was directly proportional to the diameter of the nerve fibre.4. the form of the conduct ... | 1970 | 5500723 |
| melanogenesis in amphibians. 3. the buoyant density of oocyte and larval xenopus laevis melanosomes and the isolation of oocyte melanosomes from the eyes of ptu-treated larvae. | | 1970 | 5501464 |
| differential inhibition of 28s-18s rna and 5s rna synthesis in the cycloheximide-treated xenopus laevis embryonic cells. | | 1970 | 5503782 |
| slow ventral root potentials in the spinal frog (xenopus laevis). | | 1970 | 5505873 |
| the re-establishment of retinotectal projections after uncrossing the optic chiasma in xenopus laevis with one compound eye. | | 1970 | 5511133 |
| the nature of mitochondrial rna in oocytes of xenopus laevis and its relation to mitochondrial dna. | | 1970 | 5516339 |
| [transfer of the species-specific behavior componets by xenoplastic transplantation of the brain rudiments between xenopus laevis and hymenochirus boettgeri (amphibia, anura)]. | | 1970 | 5517153 |
| analysis of detergent extracts of developing xenopus laevis by microelectrophoresis. | | 1970 | 5518032 |
| aspects of the ultrastructure of the alimentary canal and associated glands of the xenopus laevis larva. | | 1970 | 5519115 |
| oestrogen biosynthesis by ovarian tissue of the south african clawed toad, xenopus laevis daudin. | | 1971 | 5542999 |
| [ultrastructure of the spinal liquor contacting neurons in the clawed toad (xenopus laevis)]. | | 1971 | 5545441 |
| the effect of intertectal neuronal connexions of rearing xenopus laevis in total darkness. | | 1971 | 5548020 |
| [biochemical studies on oogenesis. i. rna synthesis and accumulation during oogenesis of the south african toad xenopus laevis]. | | 1971 | 5553364 |
| differential growth of the neural retina in xenopus laevis larvae. | | 1971 | 5553368 |
| changes in the melanophorotropic function of the pituitary gland accompanying blindness in xenopus laevis daudin. | | 1971 | 5554638 |
| melanophore-stimulating hormone-melatonin antagonism in relation to colour change in xenopus laevis. | | 1971 | 5559851 |
| the relationship between cleavage and blastocoel formation in xenopus laevis. i. light microscopic observations. | | 1971 | 5565077 |
| the growth of the retina in xenopus laevis: an autoradiographic study. | | 1971 | 5565078 |
| yolk-platelet formation in oocytes of xenopus laevis (daudin). | | 1971 | 5565402 |
| a molecular approach to fertilization. ii. viability and artificial fertilization of xenopus laevis gemetes. | | 1971 | 5567826 |
| the distribution of melanosomes in larvae reared from normal and from pigmentless eggs of xenopus laevis. | | 1971 | 5569240 |
| an histochemical investigation of acid phosphatase activity in the pronephros of the developing xenopus laevis tadpole. | | 1971 | 5571385 |
| the effects of iproniazid upon brain size and larval behavior of developing xenopus laevis. | | 1971 | 5571386 |
| the post-metamorphic innervation by optic fibres of a virgin tectum in xenopus laevis. | | 1971 | 5574836 |
| fine structural changes in the differentiating epidermis of xenopus laevis embryos. | | 1971 | 5575314 |
| the use of the south african frog (xenopus laevis) in the study of spinal reflex physiology. | | 1967 | 5583773 |
| the control of cell number in the lumbar ventral horns during the development of xenopus laevis tadpoles. | | 1967 | 5587106 |
| [the morphological change of color in xenopus laevis larvae]. | | 1967 | 5598550 |
| [histophysiological studies on the bottle-shaped cells of the mesonephron of xenopus laevis daudin under experimental conditions]. | | 1967 | 5603189 |
| regeneration of the neural lobe in the adult frog, xenopus laevis daudin. | | 1967 | 5605695 |
| a study of the relationship between the thyroid and larval growth in rana temporaria and xenopus laevis. | | 1967 | 5613320 |
| [development of the ribosomal structures during oogenesis in xenopus laevis]. | | 1967 | 5613327 |
| circular mitochondrial dna from xenopus laevis and rana pipiens. | | 1967 | 5613991 |
| circular mitochondrial dna from xenopus laevis and rana pipiens. | | 1967 | 5619943 |
| pattern of rna synthesis in isolated cells of xenopus laevis embryos. | | 1967 | 5621693 |
| inhibitor of ribosomal rna synthesis in xenopus laevis embryos. | | 1967 | 5621694 |
| types of motor units in the skeletal muscle of xenopus laevis. | | 1968 | 5639141 |
| renaturation and hybridization studies of mitochondrial dna. | the products of the renaturation reaction of mitochondrial dna from oocytes of xenopus laevis have been studied by electron microscopy and cscl equilibrium density gradient centrifugation. the reaction leads to the formation of intermediates containing single-stranded and double-stranded regions. further reactions of these intermediates result in large complexes of interlinking double-stranded filaments. the formation of circular molecules of the same length as native circles of mitochondrial dn ... | 1968 | 5641404 |
| estrogen induces lipophosphoprotein in serum of male xenopus laevis. | administration of estradiol 17beta to male xenopus laevis induces the appearance in serum of large amounts of a serum lipophosphoprotein which is not readily removed from the circulation and which can be resolved from other serum components by chromatography on triethylaminoethyl-cellulose. the initial rate of production of serum lipophosphoprotein is independent of the amount of estrogen administered, but the maximum rate of production and the time taken to attain this rate are dose-dependent. | 1968 | 5642316 |
| the effects of oestrogen and gonadotrophins on lipid and protein metabolism in xenopus laevis daudin. | | 1968 | 5643419 |
| ultrastructural observations on the thyroid gland of xenopus laevis daudin throughout metamorphosis. | | 1968 | 5646873 |
| on the site of phosvitin synthesis in xenopus laevis. | | 1968 | 5647066 |
| biosynthesis of urea in the estivating african lungfish and in xenopus laevis under conditions of water-shortage. | | 1968 | 5650496 |
| an electron microscopic study of ciliogenesis in developing epidermis and trachea in the embryo of xenopus laevis. | | 1968 | 5654501 |
| the relative rates of synthesis of dna, srna and rrna in the endodermal region and other parts of xenopus laevis embryos. | | 1968 | 5667408 |
| a cytological study of mauthner's cells in xenopus laevis and rana temporaria during metamorphosis. | | 1968 | 5667411 |
| properties and composition of the isolated ribosomal dna satellite of xenopus laevis. | | 1968 | 5668424 |
| studies on amphibian yolk. vii. serum phosphoprotein synthesis by vitellogenic females and estrogen-treated males of xenopus laevis. | | 1968 | 5672874 |
| effect of interrupting retino-hypothalamic connections on the melaophore response in xenopus laevis. | | 1968 | 5675003 |
| studies on lens regeneration in xenopus laevis. | | 1968 | 5675011 |
| [granulated nerve cells in the tuber cinereum of xenopus laevis]. | | 1968 | 5680125 |
| biogenic amines in the hypothalamus of xenopus leavis tadpoles. | | 1968 | 5680126 |
| changes in membrane impedance associated with a cortical contraction in the egg of xenopus laevis. | | 1968 | 5689009 |
| inhibitor of ribosomal rna synthesis in xenopus laevis embryos. i. changes in activity in activity of the inhibitor during development and its distribution in early gastrulae. | | 1968 | 5692039 |
| blastular arrest and chromosome abnormalities produced by x-rays in two amphibians: rana pipiens and xenopus laevis. | | 1968 | 5692737 |
| the induced synthesis and transport of yolk proteins and their accumulation by the oocyte in xenopus laevis. | | 1968 | 5693300 |
| the vitellogenic response in the south african clawed toad (xenopus laevis daudin). | | 1968 | 5693301 |
| localization of amplified ribosomal dna in the oocyte of xenopus laevis. | | 1968 | 5698061 |
| ultrastructural observations on some membranous cytoplasmic inclusion bodies in follicular cells of experimentally-induced goitres in tadpoles and toads of xenopus laevis daudin. | | 1968 | 5700562 |
| [trial application of tadepoles xenopus laevis daudin for estimation of the harmfullness of pesticides in water]. | | 1968 | 5702459 |
| metabolism of oestradiol-17-beta by male and female larvae of xenopus laevis. | | 1968 | 5703034 |
| immuno-cyto-adherence tests in xenopus laevis daud. | | 1968 | 5711881 |
| the synthesis of collagen during the development of xenopus laevis. | | 1968 | 5719205 |
| oestrogen-induced calcium-binding protein in xenopus laevis. | | 1968 | 5722703 |
| the effects of oestrogens and other steroid hormones on the ultrastructure of the liver of xenopus laevis daudin. | | 1968 | 5725421 |
| the pineal gland of xenopus laevis, daudin: a histological, histochemical, and electron microscopic study. | | 1968 | 5726268 |
| [ultrastructure and ultrastructural cytochemistry of the germinal vesicle and the perinuclear cytoplasm of the ripe oocyte of xenopus laevis]. | | 1968 | 5728204 |
| hybridization of xenopus laevis petersi (poweri) and x.l. laevis. | | 1968 | 5728691 |
| [growth of the forelimb buds in xenopus laevis daud]. | | 1968 | 5730074 |
| culture of cells and tissues derived from the south african frog xenopus laevis (daudin). | | 1968 | 5730080 |
| cytonucleoproteins in cleaving eggs of xenopus laevis. | | 1968 | 5750103 |
| patterns of macromolecule synthesis during development of xenopus laevis. i. incorporation of radioactive precursors into dissociated embryos. | | 1968 | 5751537 |
| [aerobic and anaerobic oxidation of fumarate in mitochondria of the oocytes of xenopus laevis]. | | 1968 | 5752936 |
| [subcutaneous edema, edema (oe), a hereditary disease of preand post-metamorphosis in the batrachian xenopus laevis]. | | 1968 | 5753383 |
| [occurrence of lymphoid tumor in xenopus laevis following normal and cancerous tissue grafts]. | | 1968 | 5756711 |
| in vitro conversion of 17alpha-hydroxyprogesterone to androstenedione by mashed gonads from metamporphic stages of xenopus laevis. | | 1969 | 5765436 |
| [a recessive mutation (pd) determinant of polydactyly in xenopus laevis d. (batraciens anoures)]. | | 1969 | 5765791 |
| a contribution to the analysis of the mechanism of msh-induced dispersion in the melanophores of xenopus laevis. | | 1969 | 5769954 |
| comparative effects of the oestrogens and other steroid hormones on serum lipids and proteins in xenopus laevis daudin. | | 1969 | 5773773 |
| reformation of nucleoli after ethione-induced fragmentation in the absence of significant protein synthesis. | the rat liver nucleolus, after fragmentation induced by ethionine treatment, has been found to undergo complete reformation by adenine in the presence of a dose of cycloheximide sufficient to cause inhibition of protein synthesis by 90-95%. in contrast, actinomycin d given along with adenine was followed by the appearance of a small compact mass containing only the fibrillar component with no evident granules. this structure resembled pseudonucleoli seen in the anucleolate mutant of xenopus laev ... | 1969 | 5775789 |
| [histophysiological investigations of the development of the interrenal organ in the clawed toad (xenopus laevis daudin)]. | | 1969 | 5784534 |
| the permeability of intercellular junctions in the early embryo of xenopus laevis, studied with a fluorescent tracer. | | 1969 | 5786853 |
| patterns of macromolecule synthesis during development of xenopus laevis. ii. identification of the 40 s precursor to ribosomal rna. | | 1969 | 5788897 |
| inhibitor of ribosomal rna synthesis in xenopus laevis embryos. ii. effects on ribosomal rna synthesis in isolated cells from rana japonica embryos. | | 1969 | 5793773 |
| effects of 6-azauridine on the embryonic cells of xenopus laevis, with special reference to nucleolar ultrastructure. | | 1969 | 5795331 |
| changes in mitotic rate during compensatory renal growth in xenopus laevis tadpoles after unilateral pronephrectomy. | | 1969 | 5798126 |
| identification of a catecholamine in the skin of the toad, xenopus laevis, and the relation to the physiological melanophore reaction. | | 1969 | 5799234 |
| hypothalamic control of the pars intermedia in xenopus laevis tadpoles. | | 1969 | 5799953 |
| [a study of the ribosomes and of glycogen in gastrulae of xenopus laevis by ultrastructural cytochemistry]. | | 1969 | 5804910 |