Deoxycytosine NucleotidesNucleic Acid HybridizationOligonucleotide ProbesDNANucleotidesPeptide Nucleic AcidsNucleic Acid ConformationMolecular Sequence DataBase SequenceNucleic Acid ProbesNucleic Acid Amplification TechniquesPolymorphism, Single NucleotideAdenine NucleotidesAmino Acid SequenceRNANucleic Acid DenaturationGuanine NucleotidesPurine NucleotidesOligonucleotidesCloning, MolecularSequence Homology, Nucleic AcidRNA, ViralEscherichia coliSequence Analysis, DNAPolymerase Chain Reaction