Phylogenetic Analysis of Brine Shrimp (Artemia) in China Using DNA Barcodinge

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摘要 DNAbarcodingisapowerfulapproachforcharacterizingspeciesoforganisms,especiallythosewithalmostidenticalmorphologicalfeatures,therebyhelpingtotoestablishphylogeneticrelationshipsandrevealevolutionaryhistories.Inthisstudy,wechosea648-bpsegmentofthemitochondrialgene,cytochromecoxidasesubunit1(COI),asastandardbarcoderegiontoestablishphylogeneticrelation-shipsamongbrineshrimp(Artemia)speciesfrommajorhabitatsaroundtheworldandfurtherfocusedonthebiodiversityofArtemiaspeciesinChina,especiallyintheTibetanPlateau.SamplesfromfivemajorsaltlakesoftheTibetanPlateaulocatedataltitudesover4,000mshowedcleardifferencesfromotherArtemiapop-ulationsinChina.Wealsoobservedtwoconsistentaminoacidchanges,153A/Vand183L/F,intheCOIgenebetweenthehighandlowaltitudespeciesinChina.Moreover,indelsintheCOIsequencewereidentifiedincystandadultsamplesuniquetotheCoQenpopulationfromtheTibetanPlateau,demonstratingtheneedforadditionalinvestigationsofthemitochondrialgenomeamongTibetanArtemiapopulations.
机构地区 不详
出版日期 2008年03月13日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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