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Ecotoxicology and environmental safety v.147, 2018년, pp.643 - 647   SCI SCIE
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Use of electro-olfactography to measure olfactory acuity in the North American bullfrog (Lithobates (Rana) catesbeiana) tadpole

Heerema, Jody L. (Department of Biological Sciences, University of Lethbridge, Lethbridge, Alberta, Canada T1K 6T5 ) ; Helbing, Caren C. (Department of Biochemistry and Microbiology, University of Victoria, Victoria, British Columbia, Canada V8P 5C2 ) ; Pyle, Greg G. (Department of Biological Sciences, University of Lethbridge, Lethbridge, Alberta, Canada T1K 6T5 ) ;
  • 초록  

    Abstract Olfaction is an important sense for aquatic organisms because it provides information about their surroundings, including nearby food, mates, and predators. Electro-olfactography (EOG) is an electrophysiological technique that measures the response of olfactory tissue to olfactory stimuli, and responses are indicative of olfactory acuity. Previous studies have used this technique on a variety of species including frogs, salamanders, daphniids and, most extensively, fish. In the present study, we introduce a novel modified EOG method for use on Lithobates (Rana) catesbeiana tadpoles. Responses to a number of olfactory stimuli including amino acids, an algal extract ( Spirulina ), and taurocholic acid were tested, as measured by EOG. Tadpoles exhibited consistent and reliable responses to L -alanine and Spirulina extract. Tadpoles also exhibited concentration-dependent responses to Spirulina extract. These findings indicate that tadpole EOG is a viable electrophysiology technique that can be used in future research to study olfactory physiology and impairment in tadpoles. Highlights A method for electro-olfactography with Lithobates (Rana) catesbeiana tadpoles is introduced. Electro-olfactography responses to various olfactory stimuli, including amino acids, are tested. Spirulina extract and L -alanine are appropriate olfactory stimuli for use with L . catesbeiana tadpole EOG. Graphical abstract [DISPLAY OMISSION]


  • 주제어

    Electro-olfactogram .   Olfaction .   Amphibians .   Neurophysiology .   Behavior.  

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