Abstract
THE development of methods for extracting and assaying the juvenile hormone of insects1 has encouraged a search for the same biological activity in animals other than insects. Schneiderman and Gilbert have reported the first progress in this direction. Ether extracts of various invertebrates, including Hydrozoa, Polychaeta, Oligochaeta, Holothuroidea, Balanoglossida and Decapoda, give positive tests for juvenile hormone when assayed on pupæ of the silkworm, Antheraea polyphemus2. Equally surprising is the demonstration of juvenile hormone activity in certain crude aqueous extracts of bovine adrenals3.
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References
Williams, C. M., Nature, 178, 212 (1956).
Schneiderman, H. A., and Gilbert, L. D., Biol. Bull., 115, 530 (1958).
Gilbert, L. D., and Schneiderman, H. A., Science, 128, 844 (1958).
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WILLIAMS, C., MOORHEAD, L. & PULIS, J. Juvenile Hormone in Thymus, Human Placenta and other Mammalian Organs. Nature 183, 405 (1959). https://doi.org/10.1038/183405a0
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DOI: https://doi.org/10.1038/183405a0
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