[A relationship between R plasmids and increased incidence of nonpigmenting drug-resistant Serratia marcescens from clinical sources].
D004352:Drug Resistance, Microbial; D004926:Escherichia coli / Q000235:genetics; D010860:Pigments, Biological / Q000096:biosynthesis; D010957:Plasmids; D012706:Serratia marcescens / Q000145:classification / Q000235:genetics* / Q000378:metabolism
D010860:Pigments, Biological