{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,19]],"date-time":"2026-09-19T04:12:32Z","timestamp":1789791152021,"version":"4.0.1"},"reference-count":42,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2015,6,1]],"date-time":"2015-06-01T00:00:00Z","timestamp":1433116800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"content-domain":{"domain":["elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Comparative Biochemistry and Physiology Part A: Molecular &amp; Integrative Physiology"],"published-print":{"date-parts":[[2015,6]]},"DOI":"10.1016\/j.cbpa.2015.02.016","type":"journal-article","created":{"date-parts":[[2015,2,25]],"date-time":"2015-02-25T07:01:43Z","timestamp":1424847703000},"page":"163-170","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":21,"special_numbering":"C","title":["Extraocular spectral photosensitivity in the tentacles of Hydra vulgaris"],"prefix":"10.1016","volume":"184","author":[{"given":"S.","family":"Guertin","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"G.","family":"Kass-Simon","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.cbpa.2015.02.016_bb0005","first-page":"563571","article-title":"Evolution of eyes and photoreceptor cell types","volume":"47","author":"Arendt","year":"2003","journal-title":"Int. J. Dev. Biol."},{"key":"10.1016\/j.cbpa.2015.02.016_bb0015","doi-asserted-by":"crossref","first-page":"727","DOI":"10.1017\/S0025315404009816h","article-title":"Swimming behaviour and photoresponses of the iridescent copepods, Sapphirina gastrica and Sapphirina opalina (Copepoda: Poecilostomatoida)","volume":"84","author":"Chae","year":"2004","journal-title":"J. Mar. Biol. Assoc. U. K."},{"key":"10.1016\/j.cbpa.2015.02.016_bb0020","doi-asserted-by":"crossref","first-page":"365","DOI":"10.1111\/j.1096-3642.1947.tb00524.x","article-title":"On the functions and mode of action of the nematocytes of hydra","volume":"117","author":"Ewer","year":"1947","journal-title":"Proc. Zool. Soc. London"},{"key":"10.1016\/j.cbpa.2015.02.016_bb0025","first-page":"354","article-title":"Phototaxis in Hydra littoralis: rate studies and localisation of the \u201cphotoreceptor\u201d","volume":"137","author":"Feldman","year":"1960","journal-title":"Anat. Rec."},{"key":"10.1016\/j.cbpa.2015.02.016_bb0030","doi-asserted-by":"crossref","first-page":"246","DOI":"10.1007\/BF00339035","article-title":"Die Lichtreaktionen der Hydren (Chlorohydra viridissima und Pelmatohydra oligactis)","volume":"19","author":"Haug","year":"1933","journal-title":"Z. Vgl. Physiol."},{"key":"10.1016\/j.cbpa.2015.02.016_bb0040","doi-asserted-by":"crossref","first-page":"486","DOI":"10.1007\/s00427-004-0430-4","article-title":"Involvement of Hydra achaete-scute gene CnASH in the differentiation pathway of sensory neurons in the tentacles","volume":"214","author":"Hayakawa","year":"2004","journal-title":"Dev. Genes Evol."},{"key":"10.1016\/j.cbpa.2015.02.016_bb0045","doi-asserted-by":"crossref","first-page":"897","DOI":"10.1242\/dev.109.4.897","article-title":"Tentacle morphogenesis in hydra. II. Formation of a complex between a sensory nerve cell and a battery cell","volume":"109","author":"Hobmayer","year":"1990","journal-title":"Development"},{"key":"10.1016\/j.cbpa.2015.02.016_bb0035","series-title":"Coelenterate Ecology and Behavior: Selected Papers","article-title":"The ultrastructural basis for the electrical coordination between epithelia of hydra","author":"Hufnagel","year":"1976"},{"key":"10.1016\/j.cbpa.2015.02.016_bb0050","series-title":"The Biology of Nematocytes","first-page":"519","article-title":"Functional anatomy of nematocyte innervation in battery cell complexes of the hydra tentacle","author":"Hufnagel","year":"1988"},{"key":"10.1016\/j.cbpa.2015.02.016_bb0055","doi-asserted-by":"crossref","first-page":"323","DOI":"10.1002\/jmor.1051840307","article-title":"Functional organization of battery cell complexes in tentacles of Hydra attenuata","volume":"184","author":"Hufnagel","year":"1985","journal-title":"J. Morphol."},{"key":"10.1016\/j.cbpa.2015.02.016_bb0060","doi-asserted-by":"crossref","first-page":"29","DOI":"10.1007\/BF00694326","article-title":"Longitudinal conduction and contraction burst pulses from hypostomal excitation loci in Hydra attenuata","volume":"80","author":"Kass-Simon","year":"1972","journal-title":"J. Comp. Physiol."},{"key":"10.1016\/j.cbpa.2015.02.016_bb0065","doi-asserted-by":"crossref","first-page":"583","DOI":"10.5134\/175757","article-title":"Transmitting systems in Hydra","volume":"20","author":"Kass-Simon","year":"1973","journal-title":"Publ. Seto Mar. Biol. Lab."},{"key":"10.1016\/j.cbpa.2015.02.016_bb0070","doi-asserted-by":"crossref","first-page":"7179","DOI":"10.1007\/BF00668375","article-title":"A neuropharmacological analysis of the pacemakers and conducting tissues of Hydra attenuata","volume":"128","author":"Kass-Simon","year":"1978","journal-title":"J. Comp. Physiol. A."},{"key":"10.1016\/j.cbpa.2015.02.016_bb0080","doi-asserted-by":"crossref","first-page":"1772","DOI":"10.1139\/z02-135","article-title":"The behavioral and developmental physiology of nematocysts","volume":"80","author":"Kass-Simon","year":"2002","journal-title":"Can. J. Zool."},{"key":"10.1016\/j.cbpa.2015.02.016_bb0085","doi-asserted-by":"crossref","first-page":"113","DOI":"10.1086\/BBLv216n2p113","article-title":"Glutamatergic transmission in Hydra: NMDA\/D-serine affects the electrical activity of the body and tentacles of Hydra vulgaris (Cnidaria, Hydrozoa)","volume":"216","author":"Kay","year":"2009","journal-title":"Biol. Bull."},{"key":"10.1016\/j.cbpa.2015.02.016_bb0090","doi-asserted-by":"crossref","first-page":"321","DOI":"10.1002\/jmor.1051680308","article-title":"A three dimensional serial reconstruction of neuronal distribution in the hypostome of Hydra","volume":"168","author":"Kinnamon","year":"1981","journal-title":"J. Morphol."},{"key":"10.1016\/j.cbpa.2015.02.016_bb0095","doi-asserted-by":"crossref","first-page":"7","DOI":"10.1002\/cne.903260103","article-title":"Nerve ring of the hypostome in Hydra. I. Its structure and maintenance","volume":"326","author":"Koizumi","year":"1992","journal-title":"J. Comp. Neurol."},{"key":"10.1016\/j.cbpa.2015.02.016_bb0100","doi-asserted-by":"crossref","first-page":"555","DOI":"10.1002\/jez.1401320309","article-title":"Growth and sexual differentiation of Hydra in mass culture","volume":"132","author":"Loomis","year":"1956","journal-title":"J. Exp. Zool."},{"key":"10.1016\/j.cbpa.2015.02.016_bb0105","doi-asserted-by":"crossref","first-page":"185","DOI":"10.1007\/BF00397107","article-title":"Diversity of swimming behavior in hydromedusae as related to feeding and utilization of space","volume":"64","author":"Mills","year":"1981","journal-title":"Mar. Biol."},{"key":"10.1016\/j.cbpa.2015.02.016_bb0110","doi-asserted-by":"crossref","first-page":"316","DOI":"10.2307\/1539848","article-title":"Symbiosis of hydra and algae. II. Effects of limited food and starvation on growth of symbiotic and aposymbiotic hydra","volume":"129","author":"Muscatine","year":"1965","journal-title":"Biol. Bull."},{"key":"10.1016\/j.cbpa.2015.02.016_bb0115","doi-asserted-by":"crossref","first-page":"79","DOI":"10.1007\/s003590100180","article-title":"First identification and localization of a visual pigment in Hydra (Cnidaria, Hydrozoa)","volume":"187","author":"Musio","year":"2001","journal-title":"J. Comp. Physiol. A"},{"key":"10.1016\/j.cbpa.2015.02.016_bb0120","doi-asserted-by":"crossref","first-page":"1376","DOI":"10.1073\/pnas.48.8.1376","article-title":"Light response and the rhythmic potentials of Hydra","volume":"48","author":"Passano","year":"1962","journal-title":"Proc. Natl. Acad. Sci. U. S. A."},{"key":"10.1016\/j.cbpa.2015.02.016_bb0125","doi-asserted-by":"crossref","first-page":"1174","DOI":"10.1038\/1991174a0","article-title":"Pacemaker hierarchies controlling behavior of Hydra","volume":"199","author":"Passano","year":"1963","journal-title":"Nature"},{"key":"10.1016\/j.cbpa.2015.02.016_bb0130","doi-asserted-by":"crossref","first-page":"643","DOI":"10.1242\/jeb.41.3.643","article-title":"Coordinating systems and behavior in Hydra. I. Pacemaker system of the periodic contractions","volume":"41","author":"Passano","year":"1964","journal-title":"J. Exp. Biol."},{"key":"10.1016\/j.cbpa.2015.02.016_bb0135","doi-asserted-by":"crossref","first-page":"205","DOI":"10.1242\/jeb.42.2.205","article-title":"Coordinating systems in Hydra: the rhythmic potential system","volume":"42","author":"Passano","year":"1965","journal-title":"J. Exp. Biol."},{"issue":"10","key":"10.1016\/j.cbpa.2015.02.016_bb0140","doi-asserted-by":"crossref","first-page":"e1054","DOI":"10.1371\/journal.pone.0001054","article-title":"The origins of novel protein interactions during animal opsin evolution","volume":"2","author":"Plachetzki","year":"2007","journal-title":"PLoS One"},{"key":"10.1016\/j.cbpa.2015.02.016_bb0145","doi-asserted-by":"crossref","first-page":"17","DOI":"10.1186\/1741-7007-10-17","article-title":"Cnidocyte discharge is regulated by light and opsin-mediated phototransduction","volume":"10","author":"Plachetzki","year":"2012","journal-title":"BMC Biol."},{"issue":"1","key":"10.1016\/j.cbpa.2015.02.016_bb0150","doi-asserted-by":"crossref","first-page":"118","DOI":"10.1093\/icb\/ict024","article-title":"Circadian clocks in the Cnidaria: environmental entrainment, molecular regulation, and organismal outputs","volume":"53","author":"Reitzel","year":"2013","journal-title":"Integr. Comp. Biol."},{"key":"10.1016\/j.cbpa.2015.02.016_bb0155","doi-asserted-by":"crossref","first-page":"193","DOI":"10.1016\/j.cbpb.2004.03.015","article-title":"Pacemaker activity in Hydra is modulated by glycine receptor ligands","volume":"138","author":"Ruggieri","year":"2004","journal-title":"Comp. Biochem. Physiol. A"},{"key":"10.1016\/j.cbpa.2015.02.016_bb0165","first-page":"123","article-title":"Behavioral modifications in Coelenterates","volume":"vol. 1","author":"Rushforth","year":"1973"},{"key":"10.1016\/j.cbpa.2015.02.016_bb0160","doi-asserted-by":"crossref","first-page":"502","DOI":"10.2307\/1540284","article-title":"Behavioral and electrophysiological studies of Hydra. II. Pacemaker activity of isolated tentacles","volume":"140","author":"Rushforth","year":"1971","journal-title":"Biol. Bull."},{"key":"10.1016\/j.cbpa.2015.02.016_bb0170","doi-asserted-by":"crossref","first-page":"3","DOI":"10.1016\/j.biosystems.2006.03.008","article-title":"Evolving visual pigments: hints from the opsin-based proteins in a phylogenetically old \u201ceyeless\u201d invertebrate","volume":"86","author":"Santillo","year":"2006","journal-title":"BioSystems."},{"issue":"2","key":"10.1016\/j.cbpa.2015.02.016_bb0175","doi-asserted-by":"crossref","first-page":"184","DOI":"10.1016\/j.cbpa.2010.06.177","article-title":"Nematocyst discharge in Hydra vulgaris: differential responses of desmonemes and stenoteles to mechanical and chemical stimulation","volume":"157","author":"Scappaticci","year":"2010","journal-title":"Comp. Biochem. Physiol. A"},{"key":"10.1016\/j.cbpa.2015.02.016_bb0180","doi-asserted-by":"crossref","first-page":"169","DOI":"10.1002\/jez.1401540204","article-title":"The photodynamic action of light on Hydra","volume":"154","author":"Singer","year":"1963","journal-title":"J. Exp. Zool."},{"key":"10.1016\/j.cbpa.2015.02.016_bb0185","doi-asserted-by":"crossref","first-page":"51","DOI":"10.1016\/j.cub.2007.11.059","article-title":"Evolution and functional diversity of jellyfish opsins","volume":"18","author":"Suga","year":"2008","journal-title":"Curr. Biol."},{"key":"10.1016\/j.cbpa.2015.02.016_bb0195","doi-asserted-by":"crossref","first-page":"737","DOI":"10.1242\/jeb.65.3.737","article-title":"Modulation of Hydra attenuata rhythmic activity: phase response curve","volume":"65","author":"Taddei-Ferretti","year":"1976","journal-title":"J. Exp. Biol."},{"key":"10.1016\/j.cbpa.2015.02.016_bb0205","doi-asserted-by":"crossref","first-page":"88","DOI":"10.1016\/S1011-1344(00)00041-5","article-title":"Photobehaviour of hydra (Cnidaria, Hydrozoa) and correlated mechanisms: a case of extraocular photosensitivity","volume":"55","author":"Taddei-Ferretti","year":"2000","journal-title":"J. Photochem. Photobiol. B Biol."},{"key":"10.1016\/j.cbpa.2015.02.016_bb0190","first-page":"411","article-title":"Hydra photoresponses to different wavelengths","volume":"vol. 1","author":"Taddei-Ferretti","year":"1988"},{"key":"10.1016\/j.cbpa.2015.02.016_bb0200","doi-asserted-by":"crossref","DOI":"10.1007\/978-1-4020-2762-8_16","article-title":"The photobiology of hydra's periodic activity","volume":"129\u2013134","author":"Taddei-Ferretti","year":"2004","journal-title":"Hydrobiologia"},{"key":"10.1016\/j.cbpa.2015.02.016_bb0215","doi-asserted-by":"crossref","first-page":"725","DOI":"10.1007\/BF01205015","article-title":"Neuro-epitheliomuscular cell and neuro-neuronal gap junctions in Hydra","volume":"9","author":"Westfall","year":"1980","journal-title":"J. Neurocytol."},{"key":"10.1016\/j.cbpa.2015.02.016_bb0220","doi-asserted-by":"crossref","first-page":"413","DOI":"10.1086\/275328","article-title":"The heliotropism of hydra","volume":"25","author":"Wilson","year":"1891","journal-title":"Am. Nat."},{"key":"10.1016\/j.cbpa.2015.02.016_bb0225","doi-asserted-by":"crossref","first-page":"319","DOI":"10.1007\/BF00236142","article-title":"The fine structure of the hypostome and mouth of hydra. II. Transmission electron microscopy","volume":"199","author":"Wood","year":"1979","journal-title":"Cell Tissue Res."}],"container-title":["Comparative Biochemistry and Physiology Part A: Molecular &amp; Integrative Physiology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1095643315000380?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1095643315000380?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,5,20]],"date-time":"2025-05-20T00:20:07Z","timestamp":1747700407000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1095643315000380"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2015,6]]},"references-count":42,"alternative-id":["S1095643315000380"],"URL":"https:\/\/doi.org\/10.1016\/j.cbpa.2015.02.016","relation":{},"ISSN":["1095-6433"],"issn-type":[{"value":"1095-6433","type":"print"}],"subject":[],"published":{"date-parts":[[2015,6]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Extraocular spectral photosensitivity in the tentacles of Hydra vulgaris","name":"articletitle","label":"Article Title"},{"value":"Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.cbpa.2015.02.016","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 2015 Elsevier Inc. All rights reserved.","name":"copyright","label":"Copyright"}]}}