A NONPEPTIDE AGONIST OF THE INVERTEBRATE RECEPTOR FOR SCHISTOFLRFAMIDE (PDVDHVFLRFAMIDE), A MEMBER OF A SUBFAMILY OF INSECT FMRFAMIDE-RELATED PEPTIDES

被引:35
作者
LANGE, AB
ORCHARD, I
WANG, ZX
NACHMAN, RJ
机构
[1] USDA ARS,FOOD ANIM PROTECT RES LAB,VET ENTOMOL RES UNIT,COLLEGE STN,TX 77845
[2] UNIV TORONTO,DEPT ZOOL,TORONTO,ON M5S 1A1,CANADA
关键词
D O I
10.1073/pnas.92.20.9250
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
We describe a nonpeptide mimetic analog of an invertebrate peptide receptor, Benzethonium chloride (Bztc) is an agonist of the SchistoFLRFamide (PDVDHVFLRFamide) receptors found on locust oviducts. Bztc competitively displaces [I-125-labeled Y-1] SchistoFLRFamide binding to both high- and low-affinity receptors of membrane preparations. Bztc mimics the physiological effects of SchistoFLRFamide on locust oviduct, by inhibiting myogenic and induced contractions in a dose-dependent manner. Bztc is therefore recognized by the binding and activation regions of the SchistoFLRFamide receptors, This discovery provides a unique opportunity within insects to finally target a peptide receptor for the development of future pest management strategies,
引用
收藏
页码:9250 / 9253
页数:4
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