title: Isolation and characterization of plasmid deoxyribonucleic acid from Streptococcus mutans.
abstract: A small plasmid with a molecular weight of approximately 3.0 x 10(6) and present to the extent of about 16 copies per chromosomal genome equivalent was isolated from Streptococcus mutans strain LM-7.
mesh_terms: D002499:Centrifugation, Density Gradient; D002586:Cesium; D002712:Chlorides; D004269:DNA, Bacterial / Q000302:isolation & purification*; D002479:Inclusion Bodies / Q000032:analysis*; D008854:Microscopy, Electron; D008970:Molecular Weight; D013291:Streptococcus / Q000032:analysis* / Q000166:cytology / Q000378:metabolism; D013936:Thymidine / Q000378:metabolism; D014316:Tritium
chemical_list: D002712:Chlorides; D004269:DNA, Bacterial; D014316:Tritium; D002586:Cesium; D013936:Thymidine