Cytogenetic analysis in two scallops （Bivalvia： Pectinidae） by PRINS and PI banding-中国期刊网

摘要 Cytogeneticanalysiswasperformedforthebayscallop(ArgopectenirradiansLamarck1819)andtheJapanesescallop(PatinopectenyessoensisJay1857)byprimedinsitulabeling(PRINS)andpropidiumiodide(PI)bandingtechniques.ThePRINSanalysisrevealedthatmajorrRNAgeneswereclusteredintwolocionthetelomericregionsoftheshortarmsontwoacrocentricchromosomepairsinA.irradiansandontwosubmetacentricpairsinP.yessoensis.ThehistoneH3genesitesdifferedinnumberandlocationbetweenthesetwospecies.TheC-band-likepatternsrevealedbyPIstainingvariedconsiderablybetweenthesetwospecies.A.irradiansdisplayedterminalbandsatlongarmsonallchromosomes,centromericbandsonsomepairsandinterstitialbandsonfivepairs.P.yessoensisexhibitedonlycentromericbandsonallchromosomes.TheseresultswouldcontributetothebetterunderstandingofkaryotypeevolutioninA.irradiansandP.yessoensis.

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Cytogenetic analysis in two scallops （Bivalvia： Pectinidae） by PRINS and PI banding

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Cytogenetic analysis in two scallops （Bivalvia： Pectinidae） by PRINS and PI banding

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