title: R factor transfer to obligate anaerobes from Escherichia coli.
mesh_terms: D000667:Ampicillin / Q000494:pharmacology; D000693:Anaerobiosis; D001419:Bacteria / Q000187:drug effects*; D001439:Bacteroides / Q000187:drug effects / Q000201:enzymology; D001441:Bacteroides fragilis / Q000187:drug effects / Q000201:enzymology; D003227:Conjugation, Genetic; D004926:Escherichia coli / Q000187:drug effects* / Q000201:enzymology; D005673:Fusobacterium / Q000187:drug effects / Q000201:enzymology; D010403:Penicillin Resistance; D010405:Penicillinase / Q000096:biosynthesis / Q000378:metabolism; D011815:R Factors
chemical_list: D000667:Ampicillin; D010405:Penicillinase