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Proc Natl Acad Sci U S A. 1978 Feb;75(2):905-8.

Lucibufagins: Defensive steroids from the fireflies Photinus ignitus and P. marginellus (Coleoptera: Lampyridae).

Author information

1
Section of Neurobiology and Behavior, Cornell University, Ithaca, New York 14853.

Abstract

Feeding tests with thrushes (Hylocichla spp.) led to the isolation of three novel steroid pyrones from fireflies (Photinus ignitus and P. marginellus) responsible, in part at least, for the unpalatability of these insects to the birds. The term lucibufagin is coined for these steroidal pyrones. The closest known relatives of lucibufagins are the familiar cardiotonic bufadienolides, found in certain toads and plants.

PMID:
16592501
PMCID:
PMC411366

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