Link to Pubmed [PMID] – 2856426
Microbiol. Sci. 1987 Sep;4(9):263-6
Comparison of resistance genes from different sources support the hypothesis that the antibiotic-producing microorganisms are the source of resistant determinants present in clinical isolates. There is also evidence that Gram-positive cocci (staphylococci and streptococci) can serve as a reservoir of resistance genes for Gram-negative bacteria.