Abstract
Twenty-nine strains of Haemophilus influenzae highly resistant to ampicillin, chloramphenicol, or tetracycline were examined for the presence of plasmids. Agarose gel electrophoresis of ethanol-precipitated cell extracts revealed large plasmids in 11 strains, of which 7 were conjugative. Plasmid transfer by conjugation between isogenic strains was quite efficient, but transfer between different serotypes was nearly always much more inefficient. Type I or II restriction enzymes do not appear to be barriers to this transfer. Encapsulated cells can be both efficient donors and recipients. Small plasmids were seen in three strains, but only two of the three are resistance factors (RSF0885, pUB703). Thus, in 17 isolates antibiotic resistance genes are believed to be located in the bacterial chromosome. Most of these resistances could be transferred by genetic transformation into the widely used Rd strain. In some cases transfer of chromosomal resistance into conjugative plasmids was observed in both rec+ and rec host cells. Since transfer by conjugation seems to be the more efficient process, it is puzzling that in the majority of the 29 isolates studied resistance genes appeared to be in the chromosome.
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Selected References
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- ALEXANDER H. E., LEIDY G. Determination of inherited traits of H. influenzae by desoxyribonucleic acid fractions isolated from type-specific cells. J Exp Med. 1951 Apr 1;93(4):345–359. doi: 10.1084/jem.93.4.345. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Barnhart B. J., Cox S. H. Radiation-sensitive and radiation-resistant mutants of Haemophilus influenzae. J Bacteriol. 1968 Jul;96(1):280–282. doi: 10.1128/jb.96.1.280-282.1968. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Barnhart D. J., Cox S. H. Recovery of Haemophilus influenzae from ultraviolet and x-ray damage. Photochem Photobiol. 1970 Mar;11(3):147–162. doi: 10.1111/j.1751-1097.1970.tb05983.x. [DOI] [PubMed] [Google Scholar]
- Bendler J. W., 3rd Physical size of the donor locus and transmission of Haemophilus influenzae ampicillin resistance genes by deoxyribonucleic acid-mediated transformation. J Bacteriol. 1976 Jan;125(1):197–204. doi: 10.1128/jb.125.1.197-204.1976. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Boling M. E., Allison D. P., Setlow J. K. Bacteriophage of Haemophilus influenzae. 3. Morphology, DNA homology, and immunity properties of HPlcl, S2, and the defective bacteriophage from strain Rd. J Virol. 1973 Apr;11(4):585–591. doi: 10.1128/jvi.11.4.585-591.1973. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Cohen S. N. Transposable genetic elements and plasmid evolution. Nature. 1976 Oct 28;263(5580):731–738. doi: 10.1038/263731a0. [DOI] [PubMed] [Google Scholar]
- Eickhoff T. C., Ehret J. M., Baines R. D. Characterization of an ampicillin-resistant Haemophilus influenzae type B. Antimicrob Agents Chemother. 1976 Jun;9(6):889–892. doi: 10.1128/aac.9.6.889. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Elwell L. P., De Graaff J., Seibert D., Falkow S. Plasmid-linked ampicillin resistance in haempohilus influenza type b. Infect Immun. 1975 Aug;12(2):404–410. doi: 10.1128/iai.12.2.404-410.1975. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Elwell L. P., Saunders J. R., Richmond M. H., Falkow S. Relationships among some R plasmids found in Haemophilus influenzae. J Bacteriol. 1977 Jul;131(1):356–362. doi: 10.1128/jb.131.1.356-362.1977. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Farrar W. E., Jr, O'Dell N. M. Beta-lactamase activity in ampicillin-resistant Haemophilus influenzae. Antimicrob Agents Chemother. 1974 Nov;6(5):625–629. doi: 10.1128/aac.6.5.625. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Glover S. W., Piekarowicz A. Host specificity of DNA in Haemophilus influenzae: restriction and modification in strain Rd. Biochem Biophys Res Commun. 1972 Feb 25;46(4):1610–1617. doi: 10.1016/0006-291x(72)90793-0. [DOI] [PubMed] [Google Scholar]
- Goffic F. L., Moreau N., Siegrist S., Goldstein F. W., Acar J. C. La resistance plasmidique de Haemophilus sp. aux antibiotiques aminoglycosidiques : isolement et etude d'une nouvelle phosphotransférase. Ann Microbiol (Paris) 1977 May-Jun;128A(4):383–391. [PubMed] [Google Scholar]
- Goldstein F. W., Boisivon A., Leclerc P., Acar J. F. Sensibilité d'Hemophilus sp. aux antibiotiques. transfert de résistance à Escherichia coli. Pathol Biol (Paris) 1977 May;25(5):323–332. [PubMed] [Google Scholar]
- Guerry P., LeBlanc D. J., Falkow S. General method for the isolation of plasmid deoxyribonucleic acid. J Bacteriol. 1973 Nov;116(2):1064–1066. doi: 10.1128/jb.116.2.1064-1066.1973. [DOI] [PMC free article] [PubMed] [Google Scholar]
- HARM W., RUPERT C. S. INFECTION OF TRANSFORMABLE CELLS OF HAEMOPHILUS INFLUENZAE BY BACTERIOPHAGE AND BACTERIOPHAGE DNA. Z Vererbungsl. 1963 Dec 30;94:336–348. doi: 10.1007/BF00897593. [DOI] [PubMed] [Google Scholar]
- Hansman D. Haemophilus influenzae type B resistant to tetracycline isolated from children with meningitis. Lancet. 1975 Nov 8;2(7941):893–896. doi: 10.1016/s0140-6736(75)92128-5. [DOI] [PubMed] [Google Scholar]
- Hershfield V. Plasmids mediating multiple drug resistance in group B streptococcus: transferability and molecular properties. Plasmid. 1979 Jan;2(1):137–149. doi: 10.1016/0147-619x(79)90012-x. [DOI] [PubMed] [Google Scholar]
- Khan W., Ross S., Rodriguez W., Controni G., Saz A. K. Haemophilus influenzae type B resistant to ampicillin. A report of two cases. JAMA. 1974 Jul 15;229(3):298–301. [PubMed] [Google Scholar]
- Kooistra J., Setlow J. K. Similarity in properties and mapping of three Rec mutants of Haemophilus influenzae. J Bacteriol. 1976 Jul;127(1):327–333. doi: 10.1128/jb.127.1.327-333.1976. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Kopecko D. J., Cohen S. N. Site specific recA--independent recombination between bacterial plasmids: involvement of palindromes at the recombinational loci. Proc Natl Acad Sci U S A. 1975 Apr;72(4):1373–1377. doi: 10.1073/pnas.72.4.1373. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Manten A., van Klingeren B., Dessens-Kroon M. Chloramphenicol resistance in Haemophilus influenzae. Lancet. 1976 Mar 27;1(7961):702–702. doi: 10.1016/s0140-6736(76)92832-4. [DOI] [PubMed] [Google Scholar]
- Medeiros A. A., O'Brien T. F. Ampicillin-resistant Haemophilus influenzae type B possessing a TEM-type beta-lactamase but little permeability barrier to ampicillin. Lancet. 1975 Mar 29;1(7909):716–719. doi: 10.1016/s0140-6736(75)91630-x. [DOI] [PubMed] [Google Scholar]
- Meyers J. A., Sanchez D., Elwell L. P., Falkow S. Simple agarose gel electrophoretic method for the identification and characterization of plasmid deoxyribonucleic acid. J Bacteriol. 1976 Sep;127(3):1529–1537. doi: 10.1128/jb.127.3.1529-1537.1976. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Nelson J. D. Editorial: Should ampicillin be abandoned for treatment of Haemophilus influenzae disease? JAMA. 1974 Jul 15;229(3):322–324. [PubMed] [Google Scholar]
- Peel M. M., Tibbits D. R., Forsyth J. R. Chloramphenicol-resistant haemophilus influenzae. Med J Aust. 1979 Feb 24;1(4):130–130. [PubMed] [Google Scholar]
- STUY J. H. Transformability of Haemophilus influenzae. J Gen Microbiol. 1962 Nov;29:537–549. doi: 10.1099/00221287-29-3-537. [DOI] [PubMed] [Google Scholar]
- Saunders J. R., Elwell L. P., Falkow S., Sykes R. B., Richmond M. H. beta-lactamases and R-plasmids of Haemophilus influenzae. Scand J Infect Dis Suppl. 1978;(13):16–22. [PubMed] [Google Scholar]
- Saunders J. R., Sykes R. B. Transfer of a plasmid-specified beta-lactamase gene from Haemophilus influenzae. Antimicrob Agents Chemother. 1977 Feb;11(2):339–344. doi: 10.1128/aac.11.2.339. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Setlow J. K., Brown D. C., Boling M. E., Mattingly A., Gordon M. P. Repair of deoxyribonucleic acid in Haemophilus influenzae. I. X-ray sensitivity of ultraviolet-sensitive mutants and their behavior as hosts to ultraviolet-irradiated bacteriophage and transforming deoxyribonucleic acid. J Bacteriol. 1968 Feb;95(2):546–558. doi: 10.1128/jb.95.2.546-558.1968. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Stachura I., Mckinley F. W., Leidy G., Alexander H. E. Incomplete bacteriophage-like particles in ultraviolet-irradiated haemophilus. J Bacteriol. 1969 May;98(2):818–820. doi: 10.1128/jb.98.2.818-820.1969. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Stuy J. H. On the nature of nontypable Haemophilus influenzae. Antonie Van Leeuwenhoek. 1978;44(3-4):367–376. doi: 10.1007/BF00394313. [DOI] [PubMed] [Google Scholar]
- Stuy J. H. Restriction enzymes do not play a significant role in Haemophilus homospecific or heterospecific transformation. J Bacteriol. 1976 Oct;128(1):212–220. doi: 10.1128/jb.128.1.212-220.1976. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Sykes R. B., Matthew M., O'Callaghan C. H. R-factor mediated beta-lactamase production by Haemophilus influenzae. J Med Microbiol. 1975 Aug;8(3):437–441. doi: 10.1099/00222615-8-3-437. [DOI] [PubMed] [Google Scholar]
- Thorne G. M., Farrar W. E., Jr Transfer of ampicillin resistance between strains of Haemophilus influenzae type B. J Infect Dis. 1975 Sep;132(3):276–281. doi: 10.1093/infdis/132.3.276. [DOI] [PubMed] [Google Scholar]
- Thornsberry C., Baker C. N., Kirven L. A., Swenson J. M. Susceptibility of ampicillin-resistant Haemophilus influenzae to seven penicillins. Antimicrob Agents Chemother. 1976 Jan;9(1):70–73. doi: 10.1128/aac.9.1.70. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Van A. D., Bieth G., Bouanchaud D. H. Résistance plasmidique à la tétracycline chez Haemophilus influenzae. C R Acad Sci Hebd Seances Acad Sci D. 1975 Mar 10;280(10):1321–1323. [PubMed] [Google Scholar]
- Van A. D., Goldstein F., Acar J. F., Bouanchaud D. H. A transferable kanamycin resistance plasmid isolated from Haemophilus influenzae. Ann Microbiol (Paris) 1975 Apr;126(3):397–399. [PubMed] [Google Scholar]
- Williams J. D., Andrews J. Sensitivity of Haemophilus influenzae to antibiotics. Br Med J. 1974 Jan 26;1(5899):134–137. doi: 10.1136/bmj.1.5899.134. [DOI] [PMC free article] [PubMed] [Google Scholar]
- van Klingeren B., van Embden J. D., Dessens-Kroon M. Plasmid-mediated chloramphenicol resistance in Haemophilus influenzae. Antimicrob Agents Chemother. 1977 Mar;11(3):383–387. doi: 10.1128/aac.11.3.383. [DOI] [PMC free article] [PubMed] [Google Scholar]