NDLI: Ultraviolet polarisation sensitivity in the stomatopod crustacean Odontodactylus scyllarus

Content Provider	Springer Nature Link
Author	Kleinlogel, Sonja Marshall, N. Justin
Copyright Year	2009
Abstract	The ommatidia of crustacean eyes typically contain two classes of photoreceptors with orthogonally oriented microvilli. These receptors provide the basis for two-channel polarisation vision in the blue–green spectrum. The retinae of gonodactyloid stomatopod crustaceans possess a great variety of structural specialisations for elaborate polarisation vision. One type of specialisation is found in the small, distally placed R8 cells within the two most ventral rows of the mid-band. These ultraviolet-sensitive photoreceptors produce parallel microvilli, a feature suggestive for polarisation-sensitive photoreceptors. Here, we show by means of intracellular recordings combined with dye-injections that in the gonodactyloid species Odontodactylus scyllarus, the R8 cells of mid-band rows 5 and 6 are sensitive to linear polarised ultraviolet light. We show that mid-band row 5 R8 cells respond maximally to light with an e-vector oriented parallel to the mid-band, whereas mid-band row 6 R8 cells respond maximally to light with an e-vector oriented perpendicular to the mid-band. This orthogonal arrangement of ultraviolet-sensitive receptor cells could support ultraviolet polarisation vision. R8 cells of rows 5 and 6 are known to act as quarter-wave retarders around 500 nm and thus are the first photoreceptor type described with a potential dual role in polarisation vision.
Starting Page	1153
Ending Page	1162
Page Count	10
File Format	PDF
ISSN	03407594
Journal	Journal of Comparative Physiology A
Volume Number	195
Issue Number	12
e-ISSN	14321351
Language	English
Publisher	Springer-Verlag
Publisher Date	2009-11-19
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Crustacea Ultraviolet vision Polarisation vision Intracellular recordings Photoreceptor Animal Physiology Zoology Neurosciences
Content Type	Text
Resource Type	Article
Subject	Physiology Behavioral Neuroscience Animal Science and Zoology Ecology, Evolution, Behavior and Systematics

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Ultraviolet polarisation sensitivity in the stomatopod crustacean Odontodactylus scyllarus

Ultraviolet polarisation sensitivity in the stomatopod crustacean Odontodactylus scyllarus

Original paper ultraviolet polarisation sensitivity in the stomatopod crustacean.

Physiology and morphology of sustaining and dimming neurons of the crab Chasmagnathus granulatus (Brachyura: Grapsidae)

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Ultraviolet polarisation sensitivity in the stomatopod crustacean Odontodactylus scyllarus

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Ultraviolet polarisation sensitivity in the stomatopod crustacean Odontodactylus scyllarus

Ultraviolet polarisation sensitivity in the stomatopod crustacean Odontodactylus scyllarus

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