Chitin in the epidermal cuticle of a vertebrate (Paralipophrys trigloides,Blenniidae, Teleostei) |
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| Authors: | G P Wagner J Lo R Laine M Almeder |
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| Institution: | (1) Department of Biology, Yale University, P.O. Box 6666, 06511 New Haven, Connecticut, USA;(2) Department of Biochemistry, Louisiana State University, 70803-1806 Baton Rouge, Louisiana, USA;(3) Department of Zoology, University of Vienna, Althanstraße 14, A-1090 Vienna, (Austria) |
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| Abstract: | Lectin binding, endo-chitinase binding and enzymatic degradation studies show that the epidermal cuticle of the bony fishParalipophrys trigloides (Blenniidae) is chitinous. This is the first evidence that a vertebrate species possesses a chitinous tissue. Recently aXenopus gene has been identified which has significant sequence similarity to the catalytic domain of yeast chitin synthase III, a chitin producing enzyme1,2. Taken together these two findings imply that chitin synthesis capability may be a basic vertebrate feature. |
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| Keywords: | Chitin cuticle evolution vertebrates bony fish Blenniidae Paralipophrys trigoides |
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