𝔖 Bobbio Scriptorium
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How trematodes cause limb deformities in amphibians

✍ Scribed by Stopper, Geffrey F. ;Hecker, Louise ;Franssen, R. Adam ;Sessions, Stanley K.

Book ID
102888358
Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
507 KB
Volume
294
Category
Article
ISSN
0022-104X

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✦ Synopsis

Abstract

We used trematode cyst infestation to induce limb deformities in two species of frogs of the genus Rana and compared them to deformities induced by surgical limb bud rotations. The specific deformities produced by both treatments closely resemble those of wild‐caught deformed amphibians and are consistent with a known developmental response to disruption of the spatial organization of cells in developing limb buds. Histological analysis showed that trematode cysts cause massive disruption and abnormal cellular growth involving the limb buds of infected individuals. Our results indicate that trematode cyst infestation causes deformities in frogs by perturbation of the positional relationships of cells in developing limb buds. The crippling effects of cyst‐infection on frogs may reflect complex co‐evolutionary interactions among trematodes, frogs, and other hosts in the trematode's life cycle. J. Exp. Zool. (Mol. Dev. Evol.) 294:252–263, 2002. © 2002 Wiley‐Liss, Inc.

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