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VA Opsin-Based Photoreceptors in the Hypothalamus of Birds
Studies in the 1930s demonstrated that birds possess photoreceptors that are located within the hypothalamus and regulate photoperiodic responses to day length. Most recently, photoperiod has beenExpand
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Regulation of the mammalian pineal by non-rod, non-cone, ocular photoreceptors.
In mammals, ocular photoreceptors mediate an acute inhibition of pineal melatonin by light. The effect of rod and cone loss on this response was assessed by combining the rd mutation with aExpand
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Vertebrate ancient (VA) opsin and extraretinal photoreception in the Atlantic salmon (Salmo salar).
A member of a new photopigment family first isolated from teleost fish, vertebrate ancient (VA) opsin, has recently been shown to form a functional photopigment and to be expressed within a subset ofExpand
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Coexistence of phycoerythrin and a chlorophyll a/b antenna in a marine prokaryote.
Prochlorococcus marinus CCMP 1375, a ubiquitous and ecologically important marine prochlorophyte, was bound to possess functional genes coding for the alpha and beta subunits of a phycobiliprotein.Expand
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Streamlined Regulation and Gene Loss as Adaptive Mechanisms in Prochlorococcus for Optimized Nitrogen Utilization in Oligotrophic Environments
SUMMARY Prochlorococcus is one of the dominant cyanobacteria and a key primary producer in oligotrophic intertropical oceans. Here we present an overview of the pathways of nitrogen assimilation inExpand
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The spatio-temporal pattern of photoreceptor degeneration in the aged rd/rd mouse retina
Abstract.Photoreceptor degeneration in the retina of the rd/rd (retinal degeneration) mice has been studied using immunocytochemistry with antisera against cone- and rod-opsin. The rd/rd miceExpand
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A novel rod‐like opsin isolated from the extra‐retinal photoreceptors of teleost fish
We have isolated a novel opsin from the pineal complex of Atlantic salmon (Salmo salar) and from the brain of the puffer fish (Fugu rubripes). These extra‐retinal opsins share approximately 74%Expand
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Propiedades psicométricas de la Escala de Autoeficacia Percibida Específica de Situaciones Académicas en una muestra de estudiantes españoles de Educación Secundaria Obligatoria
The aim of this study was to analyse the psychometric properties of the Academic Situations Specific Perceived Self-efficacy Scale in a 656 Spanish sample of Compulsory Secondary Education students,Expand
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Identification of vertebrate deep brain photoreceptors
Since the beginning of this century evidence has accumulated which demonstrates that nonmammalian vertebrates possess photoreceptors situated deep within the brain. These photoreceptors have beenExpand
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An immunocytochemical study of encephalic photoreceptors in three species of lamprey
Abstract.The extraretinal and extrapineal photoreceptors of three species of adult lamprey, sea lamprey (Petromyzon marinus), river lamprey (Lampetra fluviatilis) and silver lamprey (IchthyomyzonExpand
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