TABLE 1.

Conjugative elements from unicellular gram-positive bacteria

Plasmid or transposonOriginal hostSize (kb)Antibiotic resistanceaHost range/induction of transfer
pIP501S. agalactiae30.2Cm, MLSBroad/?
pAMβ1E. faecalis26.5MLSBroad/?
pRE25E. faecalis50.2Cm, MLSBroad/?
Tn916E. faecalis18.0TcBroad/?
Tn1545S. pneumoniae25Em, Km, TcBroad/?
pSK41S. aureus46.4Bm, Gm, Km, Nm, TmStaphylococcus/?
pGO1S. aureus52.0Bm, Gm, Km, Nm, Tm, TmpStaphylococcus/?
pMRC01L. lactis60.2NonebLactococcus/?
pAD1E. faecalis59.3NonecEnterococcus/sex pheromone
pCF10E. faecalis65TcEnterococcus/sex pheromone
pPD1E. faecalis56NonebEnterococcus/sex pheromone
pXO16B. thuringiensis200UnknownB. thuringiensis/aggregation
pRS01L. lactis48.4UnknownLactococcus/aggregation
  • a Drug resistance abbreviations: Bm, bleomycin; Cm, chloramphenicol; Em, erythromycin; Gm, gentamicin; Km, kanamycin; MLS, macrolide, lincosamide, streptogramin B antibiotics; Nm, neomycin; Tc, tetracycline; Tm, tobramycin; Tmp, trimethoprim.

  • b Bacteriocin production/immunity.

  • c Hemolysin-bacteriocin production/immunity.