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Genetic variation study on the grey mullet (Mugil cephalus) stocks from Mediterranean Sea, the Pacific Ocean and Oman Sea

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Author
Rezvani Gilkolaei, Sohrab
Ghoroghi, A.
Safari, R.
GhadinejadShiyade, H.
Hami Tabari, A.
Shafeei, A.
Amini Rad, T.
Arfani Moghadam, V.
Darbani, R.
Hashemi Rostami, S.A.
Fahim, Azin
Lalooei, F.
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Date
2013

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Abstract
Two of the three objectives of project was carried out success that one of them is following: The genetic diversity of Liza salien(Risso,1810) in the south part of Caspian sea using the Mitochondrial DNA sequencing (mtDNA) was carried out as first objective of project that based on the mitochondrial DNA sequencing (mtDNA) of 16S rRNA was used in order to clarify genetic structure and genetic diversity of lizasaliens in three western (Anzali) , middle(sari) , and eastern(Gomishan lagoon) of south part of Caspian sea. As a result we obtained 552base pairs of 16SrRNA sequence. A total of 6 different haplotypes and 29 variable sites were identified .The average nucleotide diversity(π) and haplotype diversity(h) in samples of all regions were 0.29 , and 0.004 respectively . The results obtained from genetic distance showed low rate in that of 3 regions. Estimates of gene flow indicated there is no reproductive isolation between three regions and also there was not significant genetic differentiation between differentregions (p>0.05). the findings from the present study suggest that there is equal population of Liza saliens in the studied regions .: Genetic differences and phylogenic relationships among six Mugilidae species (Mugilcephalus, M. capito, Liza subviridis, L. saliens, L. aurata, Valamugilbuchanani) were determined using PCR-sequencing as second objective of project. M. cephalus, L. subviridis, and V. buchanani from the Persian Gulf and Oman Sea, and L. aurata and L. saliens from the Caspian Sea were collected. Samples of an imported, Egyptian species M. capito (this species was mixed with the main imported species as M. cephalusfingerling) were obtained from the Gomishan Research Center in Gorgan. Total DNA from the samples were extracted according to phenol-chloroform method Mithochondrial DNA ,16s RNA was amplified using thermo cyclermachine with universal primers and thensequenced by sending to Takapoozist Company and thereafter to France. Analysis of the sequences showed great differences between Mugil species and the other studied species. The phylogenetic tree obtained through Neighbor-Joining method revealed that L. saliensandL. aurata were in the same branch while L. subviridis was in a separate branch. In contrast, Maximum Parsimony tree located L. subviridis and L. aurata in a single branch and assigned L. saliens to a distinct branch. This result brings in the question of monophyletic origin of the genus Liza.Also.
Pages
118pp.
Publisher or University
Iranian Fisheries Science Research Institute
Series : Nr
42353;
URI
http://hdl.handle.net/1834/13292
Collections
Scientific Records, Posters, Reports

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