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Ancient tetraploidy and slow molecular evolution in Scaphiophryne: ecological correlates of speciation mode in Malagasy relict amphibians
 

Summary: Ancient tetraploidy and slow molecular evolution in Scaphiophryne:
ecological correlates of speciation mode in Malagasy relict amphibians
Miguel Vences1
, Gennaro Aprea2
, Teresa Capriglione2
, Franco Andreone3
& Gaetano Odierna2
1
Department of Biology (Evolutionary Biology), University of Konstanz, D-78457 Konstanz, Germany.
Fax +49 221 9417285, E-mail: m.vences@t-online.de; 2
Dipartimento di Biologia Evolutiva e Comparata,
Universita' di Napoli ``Federico II'', Via Mezzocannone 8, I-80134 Napoli, Italy. Fax +39 081 2535035,
E-mail: odierna@dgbm.unina.it; 3
Sezione di Zoologia, Museo Regionale di Scienze Naturali, Via G.
Giolitti 36, I-10123 Torino, Italy. Fax +39 011 4323331. E-mail: frand@tin.it
Received 21 September 2001; received in revised form and accepted for publication by Michael schmid 16 November 2001
Key words: allotetraploidy, amphibia, chromosome speciation, mtDNA substitution rates, Scaphiophryne
gottlebei
Abstract
Karyotypes of three microhylid frog species of the Malagasy relict genus Scaphiophryne were studied:

  

Source: Andreone, Franco - Zoology Department, Museo Regionale di Scienze Naturali di Torino
Vences, Miguel - Institute for Biodiversity and Ecosystem Dynamics, Zoological Museum, Universiteit van Amsterdam

 

Collections: Biology and Medicine; Environmental Sciences and Ecology