Cloning, OrganismEmbryo ResearchNuclear Transfer TechniquesCloning, MolecularStem CellsClone CellsMolecular Sequence DataBase SequenceAmino Acid SequenceDNA, ComplementarySequence Homology, Amino AcidDNASequence Analysis, DNASequence Homology, Nucleic AcidSequence AlignmentRNA, MessengerEscherichia coliGenes, BacterialPolymerase Chain ReactionChromosome MappingPlasmidsBlotting, SouthernBlotting, NorthernNucleic Acid HybridizationRecombinant ProteinsGenesGene ExpressionRestriction MappingPhylogenyDNA, BacterialCell LineGene LibraryDNA Restriction EnzymesDNA PrimersGenomic LibraryOpen Reading FramesDNA, RecombinantMutationTranscription, GeneticCosmidsTransfectionGenetic VectorsSpecies Specificity