Combination of physiological and anatomical methods for studying extraocular photoreceptors on the genitalia of the butterfly, Papilio xuthus

Arikawa, Kentaro; Miyako-Shimazaki, Yumiko

doi:10.1016/s0165-0270(96)00022-2

Cited by 4 publications

(3 citation statements)

References 15 publications

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“…Here, there are four photoreceptor cells located near the Papilio genital region, two cells per side, associated with specific male or female anatomic structures (Arikawa et al, 1980). These cells are similar in structure to phaosomes, which are annelid photoreceptor cells with large intracellular microvillous membranes (Miyako et al, 1993; Arikawa & Miyako-Shimazaki, 1996). From extracellular recordings, we know that Papilio ’s dispersed photoreceptor cells respond to flashes of light with a pattern of rapid firing, which decreases in frequency as light intensity decreases (Arikawa & Aoki, 1982).…”

Section: Hypotheses and Data For Dispersed Photoreceptionmentioning

confidence: 99%

Understanding the dermal light sense in the context of integrative photoreceptor cell biology

et al. 2011

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While the concept of a dermal light sense has existed for over a century, little progress has been made in our understanding of the mechanisms underlying dispersed photoreception and the evolutionary histories of dispersed photoreceptor cells. These cells historically have been difficult to locate and positively identify, but modern molecular techniques, integrated with existing behavioral, morphological, and physiological data, will make cell identification easier and allow us to address questions of mechanism and evolution. With this in mind, we propose a new classification scheme for all photoreceptor cell types based on two axes, cell distribution (aggregated vs. dispersed) and position within neural networks (first order vs. high order). All photoreceptor cells fall within one of four quadrants created by these axes: aggregated/high order, dispersed/high order, aggregated/first order, or dispersed/first order. This new method of organization will help researchers make objective comparisons between different photoreceptor cell types. Using integrative data from four major phyla (Mollusca, Cnidaria, Echinodermata, and Arthropoda), we also provide evidence for three hypotheses for dispersed photoreceptor cell function and evolution. First, aside from echinoderms, we find that animals often use dispersed photoreceptor cells for tasks that do not require spatial vision. Second, although there are both echinoderm and arthropod exceptions, we find that dispersed photoreceptor cells generally lack morphological specializations that either enhance light gathering or aid in the collection of directional information about light. Third, we find that dispersed photoreceptor cells have evolved a number of times in Metazoa and that most dispersed photoreceptor cells have likely evolved through the co-option of existing phototransduction cascades. Our new classification scheme, combined with modern investigative techniques, will help us address these hypotheses in great detail and generate new hypothesis regarding the function and evolution of dispersed photoreceptor cells.

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Section: Hypotheses and Data For Dispersed Photoreceptionmentioning

confidence: 99%

Understanding the dermal light sense in the context of integrative photoreceptor cell biology

et al. 2011

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“…The electrophysiological methods were described elsewhere (Arikawa and Miyako-Shimazaki, 1996). Briefly, a female, whose wings and legs were removed, was fixed ventral side up with beeswax on a plastic stage, which was then filled with physiological saline.…”

Section: Electrophysiologymentioning

confidence: 99%

Genital Photoreceptors Have Crucial Role in Oviposition in Japanese Yellow Swallowtail Butterfly, Papilio xuthus

Arikawa

Takagi

2001

Zoological Science

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“…First, we determined the relative positions of the genitalia of mating butterflies at each behavioral step by observation. The positions were then mimicked by mechanically opening and closing the valva and by placing an isolated female abdomen in various locations near the male, which was fixed on the stage for electrophysiological recording (Arikawa and Miyako-Shimazaki 1996). For the males that copulated, we recorded responses during clasp and copulation (steps 4 and 5).…”

Section: Articles Figure 4 the Ovoid Structure That Contains The Cell...mentioning

confidence: 99%

Hindsight of Butterflies

Arikawa¹

2001

BioScience

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Combination of physiological and anatomical methods for studying extraocular photoreceptors on the genitalia of the butterfly, Papilio xuthus

Cited by 4 publications

References 15 publications

Understanding the dermal light sense in the context of integrative photoreceptor cell biology

Understanding the dermal light sense in the context of integrative photoreceptor cell biology

Genital Photoreceptors Have Crucial Role in Oviposition in Japanese Yellow Swallowtail Butterfly, Papilio xuthus

Hindsight of Butterflies

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