The effect of heparin upon differentiation of ventral halves of frog gastrulae
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Culture of ventral halves of frog early gastrulae in heparin results in differentiation of dorsal tissues, e.g., brain, muscle, nephric tubules, and heparin stimulates the accumulation of labeled DNA and RNA.
Key wordsEmbryonic induction Heparin
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- Berkowitz EM, Doty P (1975) Chemical and physical properties of fractionated chromatin. Proc Natl Acad Sci U S 72:3328–3332Google Scholar
- Burton K (1958) A study of the conditions and mechanisms of the diphenylamine reaction for the colorimetric estimation of deoxyribonucleic acid. Biochemistry 62:315–323Google Scholar
- Flickinger RA, Freedman ML, Stambrook PJ (1967) Generation times and DNA replication patterns of cells of developing frog embryos. Der Biol 16:457–473Google Scholar
- Miller G, Berlowitz L, Regelson W (1970) Chromatin and histones in mealy bug explants. Activation and decondensation of facultative heterochromatin by a synthetic polyanion. Chromosoma 32:251–261Google Scholar
- Niu MC, Twitty VC (1953) The differentiation of gastrula ectoderm in medium conditioned by axial mesoderm. Proc Natl Acad Sci U S 39:985–989Google Scholar
- Shumway W (1940) Stages in the normal development ofRana pipiens. I. External form. Anat Rec 78:139–148Google Scholar