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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Disulfooxy fatty acids from the American bird grasshopper Schistocerca americana, elicitors of plant volatiles
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Disulfooxy fatty acids from the American bird grasshopper Schistocerca americana, elicitors of plant volatiles

机译：来自美国鸟类蚱Sch美国血吸虫的二硫氧基脂肪酸，是植物挥发物的引发剂

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摘要

A previously unidentified class of compounds has been isolated from the regurgitant of the grasshopper species Schistocerca americana. These compounds (named here "caeliferins") are composed of saturated and monounsaturated sulfated α-hydroxy fatty acids in which the ω-carbon is functionalized with either a sulfated hydroxyl or a carboxyl conjugated to glycine via an amide bond. The regurgitant contains a series of these compounds with fatty acid chains of 15-20 carbons and in varying proportions. Of these, the 16-carbon analogs are predominant and are also most active in inducing release of volatile organic compounds when applied to damaged leaves of corn seedlings. Caeliferins are nonlepidopteran eiicitors identified in insect herbivores. This adds a category of insect herbivore-produced elicitors of plant responses, providing further evidence of the ability of plants to detect and respond to a broad range of insect herbivore-produced compounds.
机译：从蚱Sch物种美国血吸虫的反刍动物中分离出一类先前未鉴定的化合物。这些化合物（在此命名为“ caeliferins”）由饱和的和单不饱和的硫酸化α-羟基脂肪酸组成，其中ω-碳被硫酸化羟基或通过酰胺键与甘氨酸共轭的羧基官能化。反流剂包含一系列具有15-20个碳原子且不同比例的脂肪酸链的这些化合物。其中，16碳类似物占主导地位，当应用于玉米幼苗受损的叶子时，它们在诱导挥发性有机化合物释放方面也最活跃。鞘脂素是在昆虫食草动物中鉴定出的非鳞翅类兴奋剂。这增加了由昆虫食草动物产生的植物反应引发剂的类别，为植物检测和响应多种昆虫食草动物产生的化合物的能力提供了进一步的证据。

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