Cyanogenesis and the role of cyanogenic compounds in insects.

Cyanogenesis and the role of cyanogenic compounds in insects.
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氰生成和氰化合物在昆虫中的作用。

DOI:
10.1002/9780470513712.ch9
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发表时间:
1988
期刊:
Ciba Foundation symposium
影响因子:
--
通讯作者:
Adolf Nahrstedt
Adolf Nahrstedt
中科院分区:
--
文献类型:
--
作者:
Adolf Nahrstedt

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包括生氰糖苷、羟基腈(氰醇)、β-葡糖苷酶和腈裂解酶的生氰系统广泛存在于植物界,但也存在于几种节肢动物中。少数昆虫被发现含有扁桃腈,在一种情况下,检测到少量的prunasin。Cardiospermin和gynocardin存在于一种昆虫中,而氰基葡萄糖苷linamarin和lotaustralin存在于几种鳞翅目昆虫中。这些氰葡糖苷的生物合成已在这些物种中的两个进行了研究,并在一个物种中进行了研究。对于Zygaena trifolii的存在下,整个氰化物处理系统表明这些化合物的重要功能。到目前为止,它们作为防御化合物的功能似乎可能基于它们产生HCN的能力和它们的定位,并且似乎通过一些与潜在捕食者的饲养实验来指示。
The cyanogenic system comprising cyanogenic glycosides, hydroxynitriles (cyanohydrins), beta-glucosidases and nitrile lyases is widespread in the plant kingdom but also occurs in several arthropods. A few insects were found to contain mandelonitrile and, in one case, a small amount of prunasin was detected. Cardiospermin and gynocardin occur in one insect, and the cyanoglucosides linamarin and lotaustralin are found in several species of the lepidopterans. Biosynthesis of these cyanoglucosides has been studied in two of these species and their sequestration has been investigated in one species. For Zygaena trifolii the presence of the entire cyanide-handling system indicates an important function of these compounds. So far, their function as defensive compounds seems likely on the basis of their ability to generate HCN and their localization, and appears to be indicated by some feeding experiments with potential predators.
DOI: 10.1016/0300-9629(84)90534-6
发表时间: 1984
期刊: Comparative biochemistry and physiology. A, Comparative physiology
影响因子: --
作者:
McCann,FV;Chen,LS;Cole,JJ
通讯作者: Cole,JJ