Simulating the Folding Pathway of RNA Secondary Structure Using the Modified Ant Colony Algorithm

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摘要 AnewmethodforsimulatingthefoldingpathwayofRNAsecondarystructureusingthemodifiedantcolonyalgorithmisproposed.ForagivenRNAsequence,thesetofallpossiblestemsisobtainedandtheenergyofeachstemiscalculatedandstoredattheinitialstage.Furthermore,amorerealisticformulaisusedtocomputetheenergyofmulti-branchloopinthefollowingiteration.Thenafoldingpathwayissimulated,includingsuchprocessesasconstructionoftheheuristicinformation,theruleofinitializingthepheromone,themechanismofchoosingtheinitialandnextstemandthestrategyofupdatingthepheromonebetweentwodifferentstems.FinallybytestingRNAsequenceswithknownsecondarystructuresfromthepublicdatabases,weanalyzetheexperimentaldatatoselectappropriatevaluesforparameters.ThemeasureindexesshowthatourprocedureismoreconsistentwithphylogeneticallyprovenstructuresthansoftwareRNAstructuresometimesandmoreeffectivethanthestandardGeneticAlgorithm.
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出版日期 2010年04月14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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