Genetic Comparison of Fall and Spring Immigrant Forms of Endangered Caspian Salmon, Salmo trutta caspius (Kessler, 1870) Using Microsatellite Markers

Journal of Applied Biological Sciences

Mohammad Reza KALBASSI¹  Salar DORAFSHAN¹  Seyedeh Ainaz SHIRANGI¹ 

关键词: Salmo trutta caspius;    Caspian salmon;    fall-run;    spring-run;    genetic variation;    genetic differentiation;    microsatellite;   

DOI  :  

学科分类：生物科学（综合）

来源: Nobel Bilim ve Arasirma Merkezi/Nobel Science and Research Cente

【 摘 要 】

TheCaspiansalmonS.truttacaspiusinrespecttoitsreproductivelifecyclehastwoimmigrantformsnamelyfall-runandspring-run.AstheShahidBahonarcenteractivitiesonCaspiansalmonstocksrestorationinKlardashtofIranhasbeenjustfocusedonfall-runformpropagation,itcouldbeproposedthatthesestocksproportionshavebeengraduallyincreased.Regardingtolackofinformationongeneticallydifferencesbetweenthetwogroups,inthisstudy,geneticstructureoftheseimmigrantformswereanalyzedbyusing5microsatelliteloci.Resultsrevealedthatthemostallelicfrequencieswereobservedinfall-runs.Averageofobservedandexpectedheterozygosityinfall-runsandspring-runswere,0.7719,0.6108and0.4435,0.5911,respectively.InbothgroupsexceptStr543INRAinspringruns,alllocihaddeviationfromHardy-Weinbergequilibrium.FurthermoreexceptStr543INRAinspringruns,expectedheterozygosityinalllociwasmorethanobservedheterozygosity.GeneticdistancebetweentwopopulationsandFst,asapopulationdistinctiveindex,were0.081and0.025,respectively.Inconclusion5microsatellitelociusedinthisstudyshowlowgeneticdifferentiationbetweenfall-runsandspring-runs.

【 授权许可】

Unknown