Microarray analysis of a salamander hopeful monster reveals transcriptional signatures of paedomorphic brain development.

TitleMicroarray analysis of a salamander hopeful monster reveals transcriptional signatures of paedomorphic brain development.
Publication TypeJournal Article
Year of Publication2010
JournalBMC evolutionary biology
Volume10
Pagination199
Date Published2010
Abstract

The Mexican axolotl (Ambystoma mexicanum) is considered a hopeful monster because it exhibits an adaptive and derived mode of development - paedomorphosis - that has evolved rapidly and independently among tiger salamanders. Unlike related tiger salamanders that undergo metamorphosis, axolotls retain larval morphological traits into adulthood and thus present an adult body plan that differs dramatically from the ancestral (metamorphic) form. The basis of paedomorphic development was investigated by comparing temporal patterns of gene transcription between axolotl and tiger salamander larvae (Ambystoma tigrinum tigrinum) that typically undergo a metamorphosis.

URLhttps://bmcevolbiol.biomedcentral.com/articles/10.1186/1471-2148-10-199
DOI10.1186/1471-2148-10-199
Short TitleBMC Evol Biol
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