Action Spectra of Zebrafish Cone Photoreceptors

Endeman, Duco; Klaassen, Lauw J.; Kamermans, Maarten

doi:10.1371/journal.pone.0068540

Cited by 33 publications

(35 citation statements)

References 30 publications

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“…It was recently shown that the O-bend component of the VMR is dependent on ocular function [12]. Given our finding that the O-bend response was elicited most readily after illumination with 399nm or 458nm light, we predict that this component of the VMR is predominantly driven by retinal short- or medium-wavelength sensitive cones [9]. The regulation of baseline motor activity by ambient illumination is thought to have both ocular and non-ocular components [12].…”

Section: Discussionmentioning

confidence: 70%

“…Zebrafish retinal photoreceptors include rods and four different types of cone with distinct spectral sensitivities (UV, short-, medium- and long-wavelength), attributable to expression of 8 different opsins whose absorption maxima span the range 354nm – 557nm [5]. Action spectra for individual cones are broad [9] and the zebrafish retina can sense light across a wide range of wavelengths from <350nm to >600nm. Long term changes in motor activity occurring after the O-bend persist in animals lacking eyes; it is thought that photoreceptors in the zebrafish brain mediate the afferent limb of this component of the VMR [12], but little is known about their properties.…”

Section: Introductionmentioning

confidence: 99%

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Spectral properties of the zebrafish visual motor response

Burton

Zhou

Bai

et al. 2017

Neuroscience Letters

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Larval zebrafish react to changes in ambient illumination with a series of stereotyped motor responses, called the visual motor response (VMR). The VMR has been used widely in zebrafish models to analyze how genetic or environmental manipulations alter neurological function. Prior studies elicited the VMR using white light. In order to elucidate the underlying afferent pathways and to identify light wavelengths that elicit the VMR without also activating optogenetic reagents, we employed calibrated narrow-waveband light sources to analyze the spectral properties of the response. Narrow light wavebands with peaks between 399nm and 632nm triggered the characteristic phases of the VMR, but there were quantitative differences between responses to different light wavelengths at the same irradiant flux density. The O-bend component of the VMR was elicited readily at dark onset following illumination in 399nm or 458nm light, but was less prominent at the transition from 632nm light to dark. Conversely, stable motor activity in light was observed at 458nm, 514nm, and 632nm, but not at 399nm. The differential effect of discrete light wavebands on components of the VMR suggests they are driven by distinct photoreceptor populations. Furthermore, these data enable the selection of light wavebands to drive the VMR in a separate channel to the activation of optogenetic reagents and photosensitizers.

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Section: Discussionmentioning

confidence: 70%

Section: Introductionmentioning

confidence: 99%

Spectral properties of the zebrafish visual motor response

Burton

Zhou

Bai

et al. 2017

Neuroscience Letters

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“…For this, we horizontally divided each of n = 31 images into 5 stripes and calculated the fraction of the total image variance explained by PC2 and PC3 as a function of elevation ( Figure 1E). As our camera was designed for human trichromacy and can therefore only approximate the spectral content available to the zebrafish's tetrachromatic retina [22,23], we next computed the chromatic image statistics in hyperspectral images taken at the same sites as seen by the larval zebrafish.…”

Section: Chromatic Content In Nature Varies With Visual Elevationmentioning

confidence: 99%

Zebrafish Differentially Process Color across Visual Space to Match Natural Scenes

et al. 2018

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Animal eyes have evolved to process behaviorally important visual information, but how retinas deal with statistical asymmetries in visual space remains poorly understood. Using hyperspectral imaging in the field, in vivo 2-photon imaging of retinal neurons, and anatomy, here we show that larval zebrafish use a highly anisotropic retina to asymmetrically survey their natural visual world. First, different neurons dominate different parts of the eye and are linked to a systematic shift in inner retinal function: above the animal, there is little color in nature, and retinal circuits are largely achromatic. Conversely, the lower visual field and horizon are color rich and are predominately surveyed by chromatic and color-opponent circuits that are spectrally matched to the dominant chromatic axes in nature. Second, in the horizontal and lower visual field, bipolar cell terminals encoding achromatic and color-opponent visual features are systematically arranged into distinct layers of the inner retina. Third, above the frontal horizon, a high-gain UV system piggybacks onto retinal circuits, likely to support prey capture.

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“…For the quadricromia in various species of the order Cyprinodontimformes similar evidence exists (see Archer, Endler, Lythgoe, & Partridge, 1987;Endeman, Klaassen, & Kamermans, 2013;Neumeyer, 1992), and this is also true for tetrachromatic color vision in goldfish (see Fratzer et al, 1994;Neumeyer, 1992;Palacios, Varela, Srivastava, & Goldsmith, 1998).…”

mentioning

confidence: 65%

Fish are Sensitive to Expansion-Contraction Color Effects

Albertazzi¹,

Rosa‐Salva²,

Pos³

et al. 2017

AB&C

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Citation -Albertazzi, L., Rosa-Salva, O., Da Pos, O., Sovrano, V. A. (2015). Fish are sensitive to expansioncontraction color effects. Animal Behavior and Cognition, 4(3), 349-364. https://doi.org/10.26451/abc.04.03.12.2017Abstract -Some visual phenomena reveal the visual system's tendency to structure the scene according to rules that do not always have a direct correspondence in the external physical world. Color information can affect the perception of other object attributes such as size, generating contextual expansion, and contraction effects. We investigated phenomena of this kind in redtail splitfin fish (Xenotoca eiseni, family Goodeidae). As in previous studies, the fish were trained to discriminate a larger from a smaller grey rectangle in order to locate the exit from the test tank. The fish were then presented with two rectangles of equal size but different colors. Isoluminant colors were employed for each pair to control for luminance contrast from the background. The fish were tested in three different conditions with three color pairs corresponding to the human yellow-blue, red-green, and red-blue. The three color test conditions affected fish responses in significantly different ways. In the blue-yellow condition the fish seemed to experience the expansion-contraction effects as reported by human observers. By contrast, no difference between the choices of the two training groups was observed in the red-green and red-blue conditions. This is the first demonstration of human-like phenomenal chromatic expansion-contraction effects in non-human animals. Notably, the effect of the yellow-blue pair, which is usually the one most pronounced in humans, seems to be robust also under conditions of isoluminance in our model species. Future studies could repeat the experiment using non-isoluminant pairs that better preserve the connotative chromatic dimensions in humans.

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Action Spectra of Zebrafish Cone Photoreceptors

Cited by 33 publications

References 30 publications

Spectral properties of the zebrafish visual motor response

Spectral properties of the zebrafish visual motor response

Zebrafish Differentially Process Color across Visual Space to Match Natural Scenes

Fish are Sensitive to Expansion-Contraction Color Effects

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