Ihe following genera and/or species possess R plasmids (including R plasmids 
of the IncP-1 group) transferable to FC. coli K-12. 
1. All members of the Enterobacteriaceae family 
2. Vibrio species (except Vibrio parahemolyticus ) 
3. Pseudomonas species 
4. Rhizobium species 
5. Acinetobacter calcoaceticus 
6. Agrobacterium tumefaciens 
7. Rhodopseudomonas sphaeroides 
8. Caulobacter crescentis 
9. Proteus species 
10. Achromobacter species 
11. Aeromonas salmonicida 
12. Alcaligenes faecalis 
13 . Bordetella bronch isept ica 
14. Myxococcus xanthus 
15. Neisseria gonorrhoeae 
16. Pastuerella hemolytica 
17. Pastuerella multocida 
18. Yersinia species 
I *[, 5 j") i 
In addition, recombinant CNA experiments between H. influenzae , 
H. parainfluenzae and H* ducreyi are exempt on the basis of extensive 
DNA hcmology. 
[Appendix A — 297] 
