Biosynthesis of the defensive alkaloid cicindeloine in Stenus solutus beetles
Biosynthesis of the defensive alkaloid cicindeloine in Stenus solutus beetles
复制标题
Stenus solutus 甲虫中防御性生物碱西辛德洛因的生物合成
DOI:
10.1007/s00114-012-0945-x
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发表时间:
2012
影响因子:
--
通讯作者:
K. Seifert
中科院分区:
文献类型:
--
作者:
A. Schierling;K. Dettner;J. Schmidt;K. Seifert
To protect themselves from predation and microorganismic infestation, rove beetles of the genusStenusproduce and store bioactive alkaloids like stenusine, 3-(2-methyl-1-butenyl)pyridine, and cicindeloine in their pygidial glands. The biosynthesis of stenusine and 3-(2-methyl-1-butenyl)pyridine was previously investigated inStenus bimaculatusandStenus similis,respectively. Both molecules follow the same biosynthetic pathway, where theN-heterocyclic ring is derived froml-lysine and the side chain froml-isoleucine. The different alkaloids are finally obtained by slight modifications of shared precursor molecules. The piperideine alkaloid cicindeloine occurs as a main compound additionally to (E)-3-(2-methyl-1-butenyl)pyridine and traces of stenusine in the pygidial gland secretion ofStenus cicindeloidesandStenus solutus. Feeding ofS. solutusbeetles with [D,15N]-labeled amino acids followed by GC/MS analysis techniques showed that cicindeloine is synthesized via the identical pathway and precursor molecules as the other two defensive alkaloids.
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作者:
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DOI:
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2006
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发表时间:
1995
期刊:
Biochemical and Biophysical Research Communications - BBRC
影响因子:
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作者:
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