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Science 23 June 1972:
Vol. 176. no. 4041, pp. 1327 - 1329
DOI: 10.1126/science.176.4041.1327
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Articles

Axonal Transport of Tritium-Labeled Putrescine in the Embryonic Visual System of Zebrafish

H. A. Fischer 1 and E. Schmatolla 2

1 Neurochemical Research Group, Max Planck Institute for Brain Research, Frankfurt/M., Germany
2 Neuropathology Division, Max Planck Institute for Brain Research, Frankfurt/M., Germany

The transport of [3H]putrescine is demonstrated by autoradiography in the retino-tectal tract of Brachydanio rerio embryos. Transport of [3H]putrescine appears to be more rapid than that of tritium-labeled protein and is not inhibited by a colchicine effect on axonal neurotubules as is protein transport. The radioactivity transported to the brain is found, on electrophoresis, in the putrescine fraction.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)