The Science of Nature

, 104:22 | Cite as

Tail regeneration affects the digestive performance of a Mediterranean lizard

  • Kostas Sagonas
  • Niki Karambotsi
  • Aristoula Bletsa
  • Aikaterini Reppa
  • Panayiotis Pafilis
  • Efstratios D. Valakos
Short Communication

Abstract

In caudal autotomy, lizards shed their tail to escape from an attacking predator. Since the tail serves multiple functions, caudal regeneration is of pivotal importance. However, it is a demanding procedure that requires substantial energy and nutrients. Therefore, lizards have to increase energy income to fuel the extraordinary requirements of the regenerating tail. We presumed that autotomized lizards would adjust their digestion to acquire this additional energy. To clarify the effects of tail regeneration on digestion, we compared the digestive performance before autotomy, during regeneration, and after its completion. Tail regeneration indeed increased gut passage time but did not affect digestive performance in a uniform pattern: though protein income was maximized, lipid and sugar acquisition remained stable. This divergence in proteins may be attributed to their particular role in tail reconstruction, as they are the main building blocks for tissue formation.

Keywords

Caudal autotomy Reptiles Digestion Tail regeneration 

Supplementary material

114_2017_1437_MOESM1_ESM.docx (19 kb)
ESM 1 (DOCX 18 kb)

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Copyright information

© Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  • Kostas Sagonas
    • 1
  • Niki Karambotsi
    • 2
  • Aristoula Bletsa
    • 2
  • Aikaterini Reppa
    • 2
  • Panayiotis Pafilis
    • 3
  • Efstratios D. Valakos
    • 2
  1. 1.School of Biological and Chemical SciencesQueen Mary University of LondonLondonUK
  2. 2.Department of Human and Animal Physiology, Faculty of BiologyNational and Kapodistrian University of AthensAthensGreece
  3. 3.Department of Zoology and Marine Biology, Faculty of BiologyNational and Kapodistrian University of AthensAthensGreece

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