Identification of pheromone-like compounds in male reproductive organs of the oriental locust Locusta migratoria
文献类型： 外文期刊
作者： Ban, Liping 1 ; Napolitano, Elio 1 ; Serra, Andrea 2 ; Zhou, Xianhong 3 ; Iovinella, Immacolata 2 ; Pelosi, Paolo 2 ;
作者机构： 1.Scuola Normale Super Pisa, Pisa, Italy
2.Univ Pisa, Dept Agr Food & Environm, I-56124 Pisa, Italy
3.Shandong Acad Agr Sci, Inst Plant Protect, Jinan, Peoples R China
关键词： Chemosensory proteins;Ligand-binding;Locusta migratoria;Naphthylpropionitrile;Pheromone;Reproductive organs
期刊名称：BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS （ 影响因子：3.575； 五年影响因子：3.381 ）
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收录情况： SCI
摘要： Despite the great economical interest of locusts in agriculture, knowledge on their chemoreception systems is still poor. Phenylacetonitrile is recognised as a pheromone of the desert locust Schistocerca gregaria, triggering gregarization, promoting aggregation and inhibiting courtship. However, in the other major locust species, Locusta migratoria, pheromones have not been reported. We have identified the two isomers of naphthylpropionitrile from the male reproductive organs of L. migratoria. Chemical synthesis has confirmed the identity of the two compounds. Both isomers show significant affinity to CSP91, a protein reported in the testis, but not to three other proteins of the same family (CSP180, CSP540 and CSP884) expressed in female accessory glands. The striking similarity of these compounds with phenylacetonitrile and the unusual nature of such chemicals strongly suggest that naphthylpropionitrile could be pheromones for L. migratoria, while their site of expression and binding activity indicate a role in communication between sexes.
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