Isolation and characterization of a low-molecular-weight substance activating head and bud formation in hydra
Keyword(s):
From crude extracts of hydra, a substance activating head formation was isolated and enriched at least 100000-fold. The molecular weight was determined to be approximately 900. Sensitivity against proteases suggests that it is a peptide. The substance acts at a concentration equivalent to the extract of 1 hydra per ml or at a concentration of less than 10 10M. In its highly purified form the substance activates head and bud formation.
1987 ◽
Vol 262
(22)
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pp. 10791-10800
1991 ◽
Vol 266
(26)
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pp. 17621-17630
1988 ◽
Vol 81
(1)
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pp. 215
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2006 ◽
Vol 1764
(5)
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pp. 863-871
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2013 ◽
Vol 18
(4)
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pp. 736-741
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1988 ◽
Vol 952
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pp. 309-316
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