Document Detail

S-isorobinal as the female sex pheromone from an alarm pheromone-emitting mite, Rhizoglyphus setosus.
MedLine Citation:
PMID:  16082928     Owner:  NLM     Status:  MEDLINE    
The female sex pheromone of Rhizoglyphus setosus Manson (Astigmata: Acaridae) was identified as S-isorobinal (4S-4-isopropenyl-3-oxo-1-cyclohexene-1-carboxyaldehyde), which stimulated males sexually and enhanced the frequency of the male's tapping and mounting behavior. Although the female hexane extract indicated no sign of sex pheromone activity against tested males, possibly due to the presence of the alarm pheromone neryl formate, an SiO2 column fraction containing isorobinal elicited sex pheromone activity at a dose of one female equivalent. The stereochemistry of natural isorobinal was identified as S by an HPLC using a chiral column. Both S- and R-isorobinals exhibited maximum activity at the same dose of 1 and 10 ng with a convex dose-response relationship. Amounts of S-isorobinal were determined to be 11.7 +/- 1.0 ng per female and 6.4 +/- 1.3 ng per male by GLC. This is the second example of two pheromones (the alarm pheromone neryl formate, and the sex pheromone S-isorobinal) demonstrated to be components of the same opisthonotal gland secretion.
Atsuko Mizoguchi; Kenjiro Murakami; Nobuhiro Shimizu; Naoki Mori; Ritsuo Nishida; Yasumasa Kuwahara
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Experimental & applied acarology     Volume:  36     ISSN:  0168-8162     ISO Abbreviation:  Exp. Appl. Acarol.     Publication Date:  2005  
Date Detail:
Created Date:  2005-08-08     Completed Date:  2005-09-01     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8507436     Medline TA:  Exp Appl Acarol     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  107-17     Citation Subset:  IM    
Laboratory of Chemical Ecology, Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan.
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MeSH Terms
Acaridae / chemistry*,  physiology
Chromatography, High Pressure Liquid
Gas Chromatography-Mass Spectrometry
Monoterpenes / chemistry,  isolation & purification*
Sex Attractants / isolation & purification*,  physiology
Reg. No./Substance:
0/Monoterpenes; 0/Sex Attractants; 0/isorobinal

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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