Please use this identifier to cite or link to this item: http://gukir.inflibnet.ac.in:8080/jspui/handle/123456789/5326
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dc.contributor.authorJoshi B.N
dc.contributor.authorMohinuddin K.
dc.date.accessioned2020-06-12T15:07:54Z-
dc.date.available2020-06-12T15:07:54Z-
dc.date.issued2003
dc.identifier.citationBMC Physiology , Vol. 3 , , p. 1 - 6en_US
dc.identifier.uri10.1186/1472-6793-3-1
dc.identifier.urihttp://gukir.inflibnet.ac.in:8080/jspui/handle/123456789/5326-
dc.description.abstractBackground: Earlier studies from this laboratory reported that light and its spectra influence reproduction in the Indian skipper frog Rana cyanophlyctis through both ocular and extra ocular photoreception. During the course of our ongoing studies on chromotactic behaviour of the tadpoles, we noticed that tadpoles held in red light metamorphosed earlier than those held in white or other colours of light. The focus of the present study therefore was to examine the effect of red light on metamorphosis of the tadpoles. Results: Tadpoles, both intact and blind (optectomised), held in red light metamorphosed earlier than those held in white light. Addition of melatonin to aquarium water (5 micrograms/litre) prevented the red light-induced acceleration of metamorphosis both in intact and blinded tadpoles. Conclusion: Both ocular and extra-ocular perception of light is involved in red light-induced precocious metamorphosis. Melatonin inhibits the red light-induced acceleration of metamorphosis. The mechanism by which red light accelerates metamorphosis is not yet known. Melatonin counteracts red-light induced acceleration of metamorphosis in this tadpole.en_US
dc.publisherBioMed Central Ltd.
dc.titleRed light accelerates and melatonin retards metamorphosis of frog tadpolesen_US
dc.typeArticle
Appears in Collections:1. Journal Articles

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