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Titolo:
IMMUNOCYTOCHEMICAL IDENTIFICATION OF PHOTORECEPTOR PROTEINS IN HYPOTHALAMIC CEREBROSPINAL FLUID-CONTACTING NEURONS OF THE LARVAL LAMPREY (PETROMYZON-MARINUS)
Autore:
GARCIAFERNANDEZ JM; FOSTER RG;
Indirizzi:
UNIV OVIEDO,DEPT MORFOL & BIOL CELULAR E-33072 OVIEDO SPAIN UNIV VIRGINIA,DEPT BIOL CHARLOTTESVILLE VA 22901 UNIV VIRGINIA,CTR BIOL TIMING CHARLOTTESVILLE VA 22901
Titolo Testata:
Cell and tissue research
fascicolo: 2, volume: 275, anno: 1994,
pagine: 319 - 326
SICI:
0302-766X(1994)275:2<319:IIOPPI>2.0.ZU;2-1
Fonte:
ISI
Lingua:
ENG
Soggetto:
VISUAL PIGMENT; JAPANESE QUAIL; RETINA; OPSIN; RHODOPSIN; ANTIBODY;
Keywords:
ALPHA-TRANSDUCIN; CEREBROSPINAL FLUID (CSF)-CONTACTING NEURONS; IMMUNOCYTOCHEMISTRY; OPSIN; PHOTORECEPTORS; PINEAL COMPLEX; RETINA; PETROMYZON MARINUS (CYCLOSTOMATA);
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
37
Recensione:
Indirizzi per estratti:
Citazione:
J.M. Garciafernandez e R.G. Foster, "IMMUNOCYTOCHEMICAL IDENTIFICATION OF PHOTORECEPTOR PROTEINS IN HYPOTHALAMIC CEREBROSPINAL FLUID-CONTACTING NEURONS OF THE LARVAL LAMPREY (PETROMYZON-MARINUS)", Cell and tissue research, 275(2), 1994, pp. 319-326

Abstract

Antibodies directed against different visual pigment opsins, and an antibody raised against the C terminal of the alpha-subunit of retinal G protein (transducin) labelled cerebrospinal fluid-contacting cells located within the hypothalamus (postoptic commissural nucleus and ventral hypothalamic nucleus) of ammocoete lampreys (Petromyzon marinus). These antibodies also labelled photoreceptor cells within the retina and the pineal and parapineal organs, but no other areas of the brain. Despite considerable behavioural and physiological evidence for the existence of deep brain photoreceptors, numerous studies have failed to identify photoreceptor proteins within the basal brain. The results presented in this paper support our recent results in the lizard Anolis carolinensis, suggesting that a group of cerebrospinal fluid-contacting neurons within the vertebrate brain have a photosensory capacity. Wespeculate that these cells mediate extraocular and extrapineal photoreception in nonmammalian vertebrates.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 26/01/20 alle ore 01:21:36