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Microspectrophotometric determinations of rod visual pigments in some adult and larval Australian amphibians

Published online by Cambridge University Press:  02 June 2009

J. C. Partridge ,
P. Speare ,
J. Shand ,
W. R. A. Muntz  and
D. McB. Williams
J. C. Partridge
Affiliation:
Department of Zoology, University of Bristol, Woodland Road, Bristol BS8, IUG, U.K.
P. Speare
Affiliation:
Australian Institute of Marine Science, PMB No.3, Townsville, Queensland 4810, Australia
J. Shand
Affiliation:
Australian Institute of Marine Science, PMB No.3, Townsville, Queensland 4810, Australia Department of Marine Biology, James Cook University, Townsville, Queensland 4811, Australia
W. R. A. Muntz
Affiliation:
Department of Ecology and Evolutionary Biology, Monash University, Clayton, Victoria 3168, Australia
D. McB. Williams
Affiliation:
Australian Institute of Marine Science, PMB No.3, Townsville, Queensland 4810, Australia
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Abstract

Visual pigments from the red rods of adults of eight species of Australian anuran amphibians, from a variety of habitats, were analyzed by microspectrophotometry. The λmax in all cases fell between 502 nm and 506 nm, and the absorption spectra were well fitted by an A1-based visual pigment template curve. Red rod pigments were also analyzed for a number of tadpoles. In some cases the data were best fitted with an A1based visual pigment template, in other cases with an A2-based template, and finally some tadpoles appeared to have mixtures of the two pigments.

Keywords

AmphibiaVisual pigmentsRod receptorsMicrospectrophotometry

Information

Type
Research Articles
Information
Visual Neuroscience , Volume 9 , Issue 2 , August 1992 , pp. 137 - 142
Copyright
Copyright © Cambridge University Press 1992

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