Use of the electroretinogram to measure the quality of vision of the fruit fly.

H R Agee, M L Park
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引用次数: 13

Abstract

The electroretinogram (ERG) technique was used to measure the visual sensitivity of Caribbean Fruit flies Anastrepha suspensa (Loew), reared at 3 laboratories on 5 artificial diets. These ERGs were compared with those of flies reared from field-infested fruit. Flies reared on artificial diets differed greatly in visual sensitivity, and those reared on fruit were at least 10 times more sensitive than certain strains. Since ERGs can be obtained 3-4 days before the Caribbean fruit fly is sexually mature, the use of visually substandard flies in behavioral studies or field releases could be avoided. The results have stimulated further studies of the effects of nutrition and handling procedures on the vision and behavior of the Caribbean fruit fly in the laboratory and the field. A simple, easy to operate, and inexpensive ERG system is being developed that can be used at any rearing facility to monitor the quality of visual receptors of the insects being produced.

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使用视网膜电图来测量果蝇的视觉质量。
采用视网膜电图(ERG)技术测定了3个实验室用5种人工饲料饲养的加勒比果蝇(Anastrepha suspensa, Loew)的视觉敏感性。并与田间侵染果实的蝇类进行了比较。用人工饲料饲养的果蝇在视觉敏感度上存在很大差异,而用水果饲养的果蝇的敏感度至少是某些品系的10倍。由于可以在加勒比果蝇性成熟前3-4天获得egg,因此可以避免在行为研究或野外放生中使用视觉不合格的果蝇。这些结果刺激了在实验室和田间进一步研究营养和处理程序对加勒比果蝇视觉和行为的影响。目前正在开发一种简单、易于操作和廉价的ERG系统,可用于任何饲养设施,以监测所生产昆虫的视觉感受器的质量。
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