The Review of the Autotomy of Agamid Lizards with Considerations About the Types of Autotomy and Regeneration

Overview

Journal J Dev Biol

Specialty Biology

Date 2021 Aug 27

PMID 34449652

Citations 2

Authors

Natalia Borisovna Ananjeva

Dmitry Anatolyevich Gordeev

Dmitry Vyacheslavovich Korost

Affiliations

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Abstract

We present a review of the data on the intervertebral autotomy and regeneration of agamid lizards based on an analysis of information obtained over a 35-year period after the publication of thorough reviews (Arnold, 1984, 1988 and Bellairs, Bryant, 1985). It is supplemented by our own studies of 869 specimens of agamid lizards (Sauria, Agamidae) stored in the herpetological collections of the Zoological Institute of the Russian Academy of Sciences (St. Petersburg, Russia) and the Zoological Museum of the Moscow State University (Moscow, Russia), represented by 31 species of 16 genera. The manifestations of the ability for autotomy and regeneration in phylogenetic lineages within the family-Leiolepidinae, Amphibolurinae, Agaminae, Draconinae-are considered. A comparative morphological analysis of the structure of the caudal vertebrae was carried out using the Computer Microtomography Methods (micro-CT) in the following ecomorphological types of agama: (1) with developed abilities to caudal autotomy and regeneration, (2) with the ability to caudal autotomy but without regeneration and (3) without the ability to autotomy. The phenomenon of intervertebral autotomy (urotomy) in snakes is considered too. Possible ways of evolution of the ability to caudal autotomy as a defense strategy against predators are discussed in the phylogenetic context.

Citing Articles

At What Cost? Trade-Offs and Influences on Energetic Investment in Tail Regeneration in Lizards Following Autotomy.

Barr J, Boisvert C, Bateman P J Dev Biol. 2021; 9(4).

PMID: 34940500 PMC: 8709428. DOI: 10.3390/jdb9040053.

Introduction to the Study on Regeneration in Lizards as an Amniote Model of Organ Regeneration.

Alibardi L J Dev Biol. 2021; 9(4).

PMID: 34842730 PMC: 8628930. DOI: 10.3390/jdb9040051.

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