Pteropsin: A vertebrate-like non-visual opsin expressed in the honey bee brain

Velarde, Rodrigo; Sauer, Colin D.; Walden, Kimberly K. O.; Fahrbach, Susan E.; Robertson, Hugh M.

doi:10.1016/j.ibmb.2005.09.001

Cited by 151 publications

(168 citation statements)

References 71 publications

(76 reference statements)

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“…Such a pattern is found in the male honeybee (Muri and Jones, 1983;Menzel et al, 1991;Velarde et al, 2005), dragonfly Sympetrum (Labhart and Nilsson, 1995), mayfly Atalophlebia (Horridge and McLean, 1982), Musca domestica (Hardie, 1986) and the bibionid fly Bibio marci (Burkhart and De LaMotte, 1972;Zeil, 1983). These data suggest that a sexually dimorphic eye may represent the ancestral state in insects.…”

Section: Discussionmentioning

confidence: 71%

Beauty in the eye of the beholder: the two blue opsins of lycaenid butterflies and the opsin gene-driven evolution of sexually dimorphic eyes

Sison-Mangus

Bernard

Lampel

et al. 2006

Journal of Experimental Biology

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SUMMARY Although previous investigations have shown that wing coloration is an important component of social signaling in butterflies, the contribution of opsin evolution to sexual wing color dichromatism and interspecific divergence remains largely unexplored. Here we report that the butterfly Lycaena rubidus has evolved sexually dimorphic eyes due to changes in the regulation of opsin expression patterns to match the contrasting life histories of males and females. The L. rubidus eye contains four visual pigments with peak sensitivities in the ultraviolet (UV;λ max=360 nm), blue (B; λmax=437 nm and 500 nm, respectively) and long (LW; λmax=568 nm) wavelength range. By combining in situ hybridization of cloned opsinencoding cDNAs with epi-microspectrophotometry, we found that all four opsin mRNAs and visual pigments are expressed in the eyes in a sex-specific manner. The male dorsal eye, which contains only UV and B (λmax=437 nm)visual pigments, indeed expresses two short wavelength opsin mRNAs, UVRh and BRh1. The female dorsal eye, which also has the UV and B (λmax=437 nm) visual pigments, also contains the LW visual pigment, and likewise expresses UVRh, BRh1 and LWRh mRNAs. Unexpectedly, in the female dorsal eye, we also found BRh1 co-expressed with LWRh in the R3-8 photoreceptor cells. The ventral eye of both sexes, on the other hand, contains all four visual pigments and expresses all four opsin mRNAs in a non-overlapping fashion. Surprisingly, we found that the 500 nm visual pigment is encoded by a duplicate blue opsin gene, BRh2. Further, using molecular phylogenetic methods we trace this novel blue opsin gene to a duplication event at the base of the Polyommatine+Thecline+Lycaenine radiation. The blue opsin gene duplication may help explain the blueness of blue lycaenid butterflies.

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Section: Discussionmentioning

confidence: 71%

Beauty in the eye of the beholder: the two blue opsins of lycaenid butterflies and the opsin gene-driven evolution of sexually dimorphic eyes

Sison-Mangus

Bernard

Lampel

et al. 2006

Journal of Experimental Biology

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“…While the primary visual cells of many invertebrates use rhabdomeric phototransduction, recent work has uncovered ciliary components in nonvisual photoreceptors of certain insects (Velarde et al 2005), polychaete annelids (Arendt et al 2004), nematodes (Ward et al 2008), and lancelets (Koyanagi et al 2005). Interestingly, cnidarians use exclusively ciliary-like components for both visual and nonvisual light perception Suga et al 2008;Kozmik et al 2008).…”

Section: Cng Plc Trpmentioning

confidence: 99%

Opening the “Black Box”: The Genetic and Biochemical Basis of Eye Evolution

Oakley

Pankey

2008

Evo Edu Outreach

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Eyes provide a rich narrative for understanding evolution, having attracted the attention of preeminent scientists and communicators alike. Until recently, this narrative has focused primarily on the evolution of eye structure and far less on biochemistry or genetics. Although eye biochemistry was once likened to an unknown "black box;" the flood of discoveries in biochemistry is now allowing an increasingly detailed understanding of the processes involved in vision. As a result, evolutionary comparative ("tree-thinking") analyses that use these data currently allow a new and still unfolding narrative, both richer in detail and more comprehensive in scope. Rather than toppling evolutionary theory by finding irreducibly complex molecular machines, eye evolution provides detailed accounts of how natural processes tinker with existing genetic components, duplicating and recombining them, to yield complex, intricate, and highly functional eyes. Understanding the new biochemical narrative is critical for researchers and teachers alike, in order to answer antievolutionist claims, and to provide an up-to-date account of the state of knowledge on the subject of eye evolution.Keywords Evolution . Phototransduction . Vision . Eyes . Phylogeny . Novelty . ComplexityThe evolutionary history of eyes is one of the most intriguing and often-told stories in biology. It is a topic researched and discussed by members of the pantheon of evolutionists, including Darwin (1859), Salvini-Plawen and Mayr (1977), Gould (1994), andDawkins (1996). The commonly told story is familiar and has not changed much since Darwin first proposed it: A light-sensitive nerve gradually changes over evolutionary time, adding complexity across the generations. To Darwin's sketch, Salvini-Plawen and Mayr (1977) added detail, and Nilsson and Pelger (1994) tested the temporal component. The ancient canon of gradual evolution is certainly valuable for demonstrating that some assumptions are met for the hypothesis that natural selection generates complexity, serving as a colorful and graphical example (Dawkins 1996). However, this account-if taken too far-can easily be criticized, as demonstrated, for example, by proponents of Intelligent Design (ID; Behe 1996) who point out that the Darwinian canon ignores complexity at the molecular level. The structure of this article is first to briefly present the "gradual morphological" account of the evolution of eye form and to describe how this account relates to understanding evolution by natural selection. Section II will point out two primary limitations of this "gradual morphological" model, including one highlighted by ID proponents. Third, the paper will present molecular and biochemical details describing how phototransduction (the cascade of signaling events that generate a nervous impulse in response to light) and complex lenses evolved. These two case studies provide specific details about how eyes evolved. The processes elucidated, such as duplication and co-option (the use of existing components ...

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“…Moths, even though they are the most speciose group of Lepidoptera, have been studied less intensively (Briscoe and Chittka, 2001). Opsins for the typical three classes of visual pigments have been cloned from a few moth species or been identified in their genome (Chase et al, 1997;Velarde et al, 2005;Xu et al, 2013;Yan et al, 2014;Feuda et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Visual cues of oviposition sites and spectral sensitivity of Cydia strobilella L.

Jakobsson

Henze

Svensson

et al. 2017

Journal of Insect Physiology

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Please cite this article as: Jakobsson, J., Henze, M.J., Svensson, G.P., Lind, O., Anderbrant, O., Visual cues of oviposition sites and spectral sensitivity of Cydia strobilella L, Journal of Insect Physiology (2017), doi: http:// dx.doi.org/10. 1016/j.jinsphys.2017.06.006 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. AbstractWe investigated whether the spruce seed moth (Cydia strobilella L., Tortricidae: Grapholitini), an important pest in seed orchards of Norway spruce (Picea abies (L.) Karst.), can make use of the spectral properties of its host when searching for flowers to oviposit on. Spectral measurements showed that the flowers, and the cones they develop into, differ from a background of P. abies needles by a higher reflectance of long wavelengths. These differences increase as the flowers develop into mature cones. Electroretinograms (ERGs) in combination with spectral adaptation suggest that C. strobilella has at least three spectral types of photoreceptor; an abundant green-sensitive receptor with maximal sensitivity at wavelength λ max = 526 nm, a blue-sensitive receptor with λ max = 436 nm, and an ultravioletsensitive receptor with λ max = 352 nm. Based on our spectral measurements and the receptor properties inferred from the ERGs, we calculated that open flowers, which are suitable oviposition sites, provide detectable achromatic, but almost no chromatic contrasts to the background of needles. In field trials using traps of different spectral properties with or without a female sex pheromone lure, only pheromone-baited traps caught moths. Catches in baited traps were not correlated with the visual contrast of the traps against the background. Thus, visual contrast is probably not the primary cue for finding open host flowers, but it could potentially complement olfaction as a secondary cue, since traps with certain spectral properties caught significantly more moths than others.

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Pteropsin: A vertebrate-like non-visual opsin expressed in the honey bee brain

Cited by 151 publications

References 71 publications

Beauty in the eye of the beholder: the two blue opsins of lycaenid butterflies and the opsin gene-driven evolution of sexually dimorphic eyes

Beauty in the eye of the beholder: the two blue opsins of lycaenid butterflies and the opsin gene-driven evolution of sexually dimorphic eyes

Opening the “Black Box”: The Genetic and Biochemical Basis of Eye Evolution

Visual cues of oviposition sites and spectral sensitivity of Cydia strobilella L.

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