Ecdysteroids in the camel tick, Hyalomma dromedarii (Acare: Ixodidae), and comparison with sex pheromone activity

The ecdysteroid 20-hydroxyecdysone (20-OH ecdysone) and 2 other radioimmunoassay (RIA) positive ecdysteroids were found in unfed and feeding adult H. dromedarii ticks. Increases in total ecdysteroids per tick occurred during female feeding, especially following mating and repletion. Ecdysteroid cont...

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Veröffentlicht in:Journal of medical entomology 1985-01, Vol.22 (1), p.22-27
Hauptverfasser: Dees, W.H, Sonenshine, D.E, Breidling, E
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container_title Journal of medical entomology
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creator Dees, W.H
Sonenshine, D.E
Breidling, E
description The ecdysteroid 20-hydroxyecdysone (20-OH ecdysone) and 2 other radioimmunoassay (RIA) positive ecdysteroids were found in unfed and feeding adult H. dromedarii ticks. Increases in total ecdysteroids per tick occurred during female feeding, especially following mating and repletion. Ecdysteroid content in unfed and feeding males remained approximately the same (estimated by RIA) or declined (estimated by HPLC). Changes in concentration of 20-OH ecdysone resembled the changes in total ecdysteroid content in most cases. High-performance liquid chromatography (HPLC) gave substantially higher estimates of total ecdysteroid content in the various tick life stages or physiological states than did RIA. The greatest increases in all ecdysteroids, including 20-OH ecdysone, occurred following mating and during repletion.
doi_str_mv 10.1093/jmedent/22.1.22
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identifier ISSN: 0022-2585
ispartof Journal of medical entomology, 1985-01, Vol.22 (1), p.22-27
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1938-2928
language eng
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source Oxford University Press Archive
subjects 20-hydroxyecdysone
Arachnida
beta -ecdysone
Biochemistry. Physiology. Immunology
Biological and medical sciences
ecdysteroids
ESTEROIDES
FEROMONAS
Fundamental and applied biological sciences. Psychology
HORMONAS
HORMONE
HORMONES
HYALOMMA
Hyalomma dromedarii
Insecta
Invertebrates
Ixodidae
PHEROMONES
Physiology. Development
SEX
sex pheromone
SEXE
SEXO
STEROIDE
STEROIDS
title Ecdysteroids in the camel tick, Hyalomma dromedarii (Acare: Ixodidae), and comparison with sex pheromone activity
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