Article (Scientific journals)
High sequence variations in mitochondrial DNA control region among worldwide populations of flathead mullet Mugil cephalus
Jamandre, Brian Wade; Durand, J.-D.; Tzeng, W.-N.
2014In International Journal of Zoology, 2014
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Abstract :
[en] The sequence and structure of the complete mtDNA control region (CR) of M. cephalus from African, Pacific, and Atlantic populations are presented in this study to assess its usefulness in phylogeographic studies of this species. The mtDNA CR sequence variations among M. cephalus populations largely exceeded intraspecific polymorphisms that are generally observed in other vertebrates. The length of CR sequence varied among M. cephalus populations due to the presence of indels and variable number of tandem repeats at the 3 ′ hypervariable domain. The high evolutionary rate of the CR in this species probably originated from these mutations. However, no excessive homoplasic mutations were noticed. Finally, the star shaped tree inferred from the CR polymorphism stresses a rapid radiation worldwide, in this species. The CR still appears as a good marker for phylogeographic investigations and additional worldwide samples are warranted to further investigate the genetic structure and evolution in M. cephalus. © 2014 Brian Wade Jamandre et al.
Disciplines :
Zoology
Author, co-author :
Jamandre, Brian Wade ;  Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution > Biologie du comportement - Ethologie et psychologie animale
Durand, J.-D.;  Institut de Recherche Pour le Développement, Laboratoire Ecologie des Systèmes Marins Côtiers, Université Montpellier II, 34095 Montpellier, France
Tzeng, W.-N.;  Institute of Fisheries Science, College of Life Science, National Taiwan University, No. 1, Roosevelt road, Taipei 10617, Taiwan, Department of Life Science, College of Life Science, National Taiwan University, No. 1, Roosevelt road, Taipei 10617, Taiwan
Language :
English
Title :
High sequence variations in mitochondrial DNA control region among worldwide populations of flathead mullet Mugil cephalus
Publication date :
2014
Journal title :
International Journal of Zoology
ISSN :
1687-8477
eISSN :
1687-8485
Publisher :
Hindawi Publishing Corporation
Volume :
2014
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 10 February 2015

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