This work provides important contribute on the genetics of the Italian endemic genus Salamandrina The whole distribution range was examined for sequence variation of three mitochondrial DNA genes. Results indicate the existence of two genetically distinct and almost geographically nonoverlapping mtDNA lineages which should be considered as two full species. Genetic variability, demographic analysis and population structure were also carried out. Furthermore possible palaeogeographic scenarios which could have shaped the splitting of the two 6DODPDQGULQD lineages are discussed. These findings have also important implications for management and conservation of this salamander which is protected under several international and regional conventions and directives.
Questo lavoro fornisce un importante contributo sulla genetica del genere Salamandrina, un endemita italiano. La variazione delle sequenze di tre geni mitocondriali è stata esaminata su campioni provenienti dall’intero areale distributivo. I risultati indicano l’esistenza di due geneticamente distinti e quasi vicarianti linee mitocondriali, tanto da costituire molto probabilmente due buone specie. Sono anche state studiate la variabilità genetica, l’analisi demografica e la struttura di popolazione. Inoltre sono stati indagati e discussi i probabili scenari paleogeografici che avrebbero determinato la separazione delle due linee dal progenitore comune. I risultati assumo importanti risvolti per la gestione e la conservazione di queste salamandre, attualmente già protette da numerose convenzioni e direttive, a livello internazionale, nazionale e regionale.
Romano, A. (2007). Genetic characterisation of the Italian endemic genus Salamandrina Fitzinger, 1826 AMPHIBIA: Salamandridae.
Genetic characterisation of the Italian endemic genus Salamandrina Fitzinger, 1826 AMPHIBIA: Salamandridae
ROMANO, ANTONIO
2007-01-01
Abstract
This work provides important contribute on the genetics of the Italian endemic genus Salamandrina The whole distribution range was examined for sequence variation of three mitochondrial DNA genes. Results indicate the existence of two genetically distinct and almost geographically nonoverlapping mtDNA lineages which should be considered as two full species. Genetic variability, demographic analysis and population structure were also carried out. Furthermore possible palaeogeographic scenarios which could have shaped the splitting of the two 6DODPDQGULQD lineages are discussed. These findings have also important implications for management and conservation of this salamander which is protected under several international and regional conventions and directives.File | Dimensione | Formato | |
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