Reports

A Cytokinin (Isopentenyl-Adenosyl-Mononucleotide) Linked to Ecdysone in Newly Laid Eggs of Locusta migratoria

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Science  29 Apr 1983:
Vol. 220, Issue 4596, pp. 507-509
DOI: 10.1126/science.220.4596.507

Abstract

Newly laid eggs of the insect Locusta migratoria contain high concentrations (50 nanomoles per gram) of an ecdysone conjugate of maternal origin; 3 milligrams of this conjugate were isolated by conventional techniques, and the structure was established by mass spectrometry and 1H, 13C, and 31P nuclear magnetic resonance as the 22-N6-(isopentenyl)-adenosine monophosphoric ester of ecdysone.

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