PHEROMONOTROPIC ACTIVITY IN THE GYPSY-MOTH LYMANTRIA-DISPAR - EVIDENCE FOR A NEUROPEPTIDE

被引：10

作者：

MASLER, EP

RAINA, AK

机构：

[1] Insect Neurobiology and Hormone Laboratory, Plant Sciences Institute, Agricultural Research Service, United States Department of Agriculture, Beltsville, 20705-2350, MD

来源：

JOURNAL OF COMPARATIVE PHYSIOLOGY B-BIOCHEMICAL SYSTEMIC AND ENVIRONMENTAL PHYSIOLOGY | 1993年 / 163卷 / 04期

关键词：

PHEROMONOTROPIC ACTIVITY; NEUROPEPTIDE EXTRACTION; DEVELOPMENTAL PROFILE; PEPTIDE CHARACTERIZATION; MOTH; LYMANTRIA-DISPAR;

D O I：

10.1007/BF00347775

中图分类号：

Q4 [生理学];

学科分类号：

071003 ;

摘要：

The brain-suboesophageal ganglion complex of the gypsy moth, Lymantria dispar, contains pheromonotropic activity detectable using a Helicoverpa zea in vivo bioassay for pheromone-biosynthesis-activating neuropeptide. Pheromonotropic activity was detected as early as the third larval instar and was present throughout development and through day 6 post-eclosion. Activity in the adult is presumably associated with pheromone production, while it is speculated that larval activity may be related to melanization. Adult pheromonotropic activity is associated with a peptide of approximately 3.500 kDa. It is heat labile and only partially stable when incubated at 35-degrees-C or exposed to freeze-thawing. Isolation of L. dispar pheromonotropic factor should facilitate the elucidation of the mechanism of pheromone production in this insect pest.

引用

页码：259 / 264

页数：6

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