Evidence for multiple photosystems in jellyfish
Publikation: Bidrag til tidsskrift › Review › Forskning › fagfællebedømt
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Evidence for multiple photosystems in jellyfish. / Garm, Anders Lydik; Ekström, Peter.
I: International Review of Cell and Molecular Biology, Bind 280, 2010, s. 41-78.Publikation: Bidrag til tidsskrift › Review › Forskning › fagfællebedømt
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TY - JOUR
T1 - Evidence for multiple photosystems in jellyfish
AU - Garm, Anders Lydik
AU - Ekström, Peter
PY - 2010
Y1 - 2010
N2 - Cnidarians are often used as model animals in studies of eye and photopigment evolution. Most cnidarians display photosensitivity at some point in their lifecycle ranging from extraocular photoreception to image formation in camera-type eyes. The available information strongly suggests that some cnidarians even possess multiple photosystems. The evidence is strongest within Cubomedusae where all known species posses 24 eyes of four morphological types. Physiological experiments show that each cubomedusan eye type likely constitutes a separate photosystem controlling separate visually guided behaviors. Further, the visual system of cubomedusae also includes extraocular photoreception. The evidence is supported by immunocytochemical and molecular data indicating multiple photopigments in cubomedusae as well as in other cnidarians. Taken together, available data suggest that multiple photosystems had evolved already in early eumetazoans and that their original level of organization was discrete sets of special-purpose eyes and/or photosensory cells
AB - Cnidarians are often used as model animals in studies of eye and photopigment evolution. Most cnidarians display photosensitivity at some point in their lifecycle ranging from extraocular photoreception to image formation in camera-type eyes. The available information strongly suggests that some cnidarians even possess multiple photosystems. The evidence is strongest within Cubomedusae where all known species posses 24 eyes of four morphological types. Physiological experiments show that each cubomedusan eye type likely constitutes a separate photosystem controlling separate visually guided behaviors. Further, the visual system of cubomedusae also includes extraocular photoreception. The evidence is supported by immunocytochemical and molecular data indicating multiple photopigments in cubomedusae as well as in other cnidarians. Taken together, available data suggest that multiple photosystems had evolved already in early eumetazoans and that their original level of organization was discrete sets of special-purpose eyes and/or photosensory cells
U2 - 10.1016/S1937-6448(10)80002-4
DO - 10.1016/S1937-6448(10)80002-4
M3 - Review
VL - 280
SP - 41
EP - 78
JO - International Review of Cell and Molecular Biology
JF - International Review of Cell and Molecular Biology
SN - 1937-6448
ER -
ID: 16887700