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Experientia

, Volume 49, Issue 4, pp 317–319 | Cite as

Chitin in the epidermal cuticle of a vertebrate (Paralipophrys trigloides, Blenniidae, Teleostei)

  • G. P. Wagner
  • J. Lo
  • R. Laine
  • M. Almeder
Experimental World Research Articles

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.

Key words

Chitin cuticle evolution vertebrates bony fish Blenniidae Paralipophrys trigoides 

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Copyright information

© Birkhäuser Verlag Basel 1993

Authors and Affiliations

  • G. P. Wagner
    • 1
  • J. Lo
    • 2
  • R. Laine
    • 2
  • M. Almeder
    • 3
  1. 1.Department of BiologyYale UniversityNew HavenUSA
  2. 2.Department of BiochemistryLouisiana State UniversityBaton RougeUSA
  3. 3.Department of ZoologyUniversity of ViennaVienna(Austria)

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