Sound Stress Induces Developmental Alterations and Enhances Insecticide Susceptibility in the Green Peach Aphid, Myzus persicae

스트레스 음파 처리에 따른 복숭아혹진딧물(Myzus persicae)의 발육 교란 및 살충 효과

  • Seok, Jeong-Gyun (School of Bioresource Sciences, College of Natural Sciences, Andong National University) ;
  • Kang, Taek-Jun (National Institute of Horticultural & Herbal Science, Rural Development Adminstration) ;
  • Kim, Yong-Gyun (School of Bioresource Sciences, College of Natural Sciences, Andong National University)
  • 석정균 (안동대학교 자연과학대학 생명자원과학부) ;
  • 강택준 (농촌진흥청 국립원예특작과학원) ;
  • 김용균 (안동대학교 자연과학대학 생명자원과학부)
  • Received : 2010.11.05
  • Accepted : 2010.11.21
  • Published : 2010.12.31

Abstract

This study investigated effects of different sound frequencies on development and insecticide susceptibility of the green peach aphid, Myzus persicae. Under a constant sound intensity (95 dB), different frequency (0-5,000 Hz) sounds were treated on entire developmental period of the aphids. With increase of sound frequencies, nymphal to adult development of the aphids showed significant retardation and the females exhibited a significant decrease in fecundity. The greatest disrupting effects were induced by treatment of 5,000 Hz, which also caused marked change in protein expression of the aphids analysed by two dimensional electrophoresis. Sound frequencies above 2,000 Hz significantly increased susceptibility of the aphids against imidacloprid. This study clearly suggest that there is a stress sound, which can be sensed by M. persicae and induces its physiological alteration.

본 연구는 서로 다른 주파수에 따른 복숭아혹진딧물(Myzus persicae)의 약제 감수성과 그에 따른 효과를 조사하였다. 소리세기를 95 dB로 고정하고 0-5,000 Hz의 서로 다른 주파수 음파를 진딧물의 전체 발육기간에 걸쳐서 처리했다. 처리 음파의 주파수 증가에 따라 진딧물의 유충에서 성충까지의 발육기간이 지연되었고,암컷 성충의 생식력을 감소시켰다. 이차원 전기영동분석 결과는 5,000 Hz의 음파로 처리된 진딧물이 대조구에 비해 체내의 단백질의 변화가 있었음을 나타냈다. 2,000 Hz 이상의 음파 처리는 이미다클로프리드 약제에 대한 진딧물의 감수성을 증가시켰다. 본 연구는 복숭아혹진딧물이 감응하는 스트레스 음파가 존재하며, 이는 이 해충의 생리적 교란을 유발한다는 것을 제시하고 있다.

Keywords

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