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Nacionalni inštitut za biologijo (NIB)
  • Are all auditory sensilla of bushcrickets bimodal? [Elektronski vir] : Comment on: R. D. Zhantiev and O. S. Korsunovskaya, Functions of chordotonal sensilla in bushcrickets (Orthoptera, Tettigoniidae); Entomological review, 2021, Vol. 101 (6), pp. 755-766
    Stritih Peljhan, Nataša ; Strauß, Johannes ; Stumpner, Andreas
    Detection of sound and substrate vibration is crucial for the survival andreproduction of many animals, particularly insects. Bushcrickets (Orthoptera,Tettigoniidae), developed a large mechanosensory ... organ complex in their legs todetect such stimuli. As demonstrated by various studies in the past, sensilla indistinct functional groups form specialized vibratory organs (the subgenualorgan and the accessory organ), respond sensitively to both vibration and sound(in the intermediate organ [IO]), or mediate hearing (in the crista acustica [CA];the tympanal hearing organ). In their recent publication, Zhantiev andKorsunovskaya addressed auditory and vibratory sensitivity in the IO and theCA in two species of bushcrickets, using single‐cell recording and staining ofsensory neurons from their soma in an isolated foreleg. Their main finding wasthat not only the IO but also the complete CA contains bimodal sensillaresponding with high sensitivity to both sound and vibration, which would be atrue change in the paradigm of how the auditory/vibratory sense in Orthopteraworks. In addition, they revealed vibratory tuning of the IO sensilla, whichdiffers largely from that in previous studies. We propose three majorexperimental causes of such discrepancies: calibration, experiments withisolated legs, and differences in the sites of recording. To judge the causes ofthese discrepancies more adequately, a detailed comparison of methods and anumber of control experiments are needed. This will deepen our understandingof sensory adaptations and specialization of insect mechanosensory organs tostimuli entering the system by different input pathways.
    Vir: Journal of experimental zoology [Elektronski vir]. Part A, Ecological and integrative physiology. - ISSN 2471-5646 (Vol. 337, iss. 7, 2022, str. 709-714)
    Vrsta gradiva - e-članek
    Leto - 2022
    Jezik - angleški
    COBISS.SI-ID - 109081859

    Povezava(-e):

    https://doi.org/10.1002/jez.2606
    DOI

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