Genetic diversity and population structure of Portunus sanguinolentus (Herbst, 1783) revealed by mtDNA COI sequences

2016 ◽  
Vol 28 (5) ◽  
pp. 740-746 ◽  
Author(s):  
Guijing Ren ◽  
Hongyu Ma ◽  
Chunyan Ma ◽  
Wei Wang ◽  
Wei Chen ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Population Structure ◽  
Mtdna Coi ◽  
Coi Sequences

scholarly journals Genetic diversity and population structure of Terapon jarbua (Forskål, 1775) (Teleostei, Terapontidae) in Malaysian waters

ZooKeys ◽  
2020 ◽  
Vol 911 ◽  
pp. 139-160 ◽  
Author(s):  
Shyama Sundari Devi Chanthran ◽  
Phaik-Eem Lim ◽  
Yuan Li ◽  
Te-Yu Liao ◽  
Sze-Wan Poong ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Population Structure ◽  
Population Genetic ◽  
Haplotype Diversity ◽  
Dispersal Ability ◽  
Human Consumption ◽  
Stock Management ◽  
Genetic Structuring ◽  
Migration Ability ◽  
Mtdna Coi

A background study is important for the conservation and stock management of a species. Terapon jarbua is a coastal Indo-Pacific species, sourced for human consumption. This study examined 134 samples from the central west and east coasts of Peninsular (West) Malaysia and East Malaysia. A 1446-bp concatenated dataset of mtDNA COI and Cyt b sequences was used in this study and 83 haplotypes were identified, of which 79 are unique haplotypes and four are shared haplotypes. Populations of T. jarbua in Malaysia are genetically heterogenous as shown by the high level of haplotype diversity ranging from 0.9167–0.9952, low nucleotide diversity ranging from 0.0288–0.3434, and high FST values (within population genetic variation). Population genetic structuring is not distinct as shown by the shared haplotypes between geographic populations and mixtures of haplotypes from different populations within the same genetic cluster. The gene flow patterns and population structuring observed among these regions are likely attributed to geographical distance, past historical events, allopatric speciation, dispersal ability and water currents. For instance, the mixture of haplotypes revealed an extraordinary migration ability of T. jarbua (>1200 km) via ancient river connectivity. The negative overall value of the neutrality test and a non-significant mismatch distribution are consistent with demographic expansion(s) in the past. The median-joining network concurred with the maximum likelihood haplotype tree with three major clades resolved. The scarcity of information on this species is an obstacle for future management and conservation purposes. Hence, this study aims to contribute information on the population structure, genetic diversity, and historical demography of T. jarbua in Malaysia.

scholarly journals Genetic diversity of the cyprinid fish Capoeta trutta (Heckel, 1843) populations from Euphrates and Tigris rivers in Turkey based on mtDNA COI sequences

2017 ◽  
Vol 64 (1) ◽  
pp. 18 ◽  
Author(s):  
Arif Parmaksız ◽  
Esra Eksi
Keyword(s):  
Genetic Diversity ◽  
Haplotype Diversity ◽  
Data Set ◽  
Mtdna Coi ◽  
Gene Sequence Analysis ◽  
Different Populations ◽  
The Mean ◽  
Neutrality Tests ◽  
Coi Sequences ◽  
Amova Analysis

In this study, genetic diversity of Capoeta trutta (Heckel, 1843) populations from Euphrates and Tigris rivers in Turkey was evaluated based on gene sequence analysis of mitochondrial DNA cytochrome c oxidase subunit I (mtDNA COI) locus. Six polymorphic sites and seven haplotypes were detected in 47 samples collected from four populations viz., Adiyaman, Birecik, Bismil and Batman. The mean haplotype diversity (h) and nucleotide diversity (π) were calculated as h = 0,6420 and π = 0,00138 respectively. Pairwise FST statistics of different populations were found to be negative, low and were insignificant, indicating gene flow. AMOVA analysis showed Fst = 0.09865 and p = 0.00489, indicating that the populations were isolated. The results of Neutrality tests showed an increase in Adiyaman, Birecik and Bismil populations and a decline in Batman population, all values being statistically insignificant (p>0.05). Three haplotypes determined for mtDNA COI locus in the present study form important data set for genetic diversity of this species.

Genetic diversity and population structure of Sepia officinalis from the Tunisian cost revealed by mitochondrial COI sequences

2014 ◽  
Vol 42 (1) ◽  
pp. 77-86 ◽  
Author(s):  
Tir Meriam ◽  
Tombari Wafa ◽  
Telahigue Khawla ◽  
Hajji Tarek ◽  
Ghram Abdeljelil ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Population Structure ◽  
Sepia Officinalis ◽  
Mitochondrial Coi ◽  
Coi Sequences

Genetic diversity and population structure of Populus yunnanensis revealed by SSR markers

2020 ◽  
Vol 52 (6) ◽  
Author(s):  
Anpei Zhou ◽  
Dan Zong ◽  
Peihua Gan ◽  
Yao Zhang ◽  
Dan Li ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Population Structure ◽  
Ssr Markers
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