Tetracycline resistance gene classification: Class M

© Service of Biosafety & Biotechnology - Author: Jean-Marc Collard
Last revised: November 16, 1998



MECHANISM Efflux
  Ribosomal protection
    Enzymatic
    Unknown

MINOCYCLINE RESISTANCE

YES

NO



DISTRIBUTION Gram-positives: Aerococcus, Actinomyces, Bacterionema, Bifidobacterium, Clostridium, Corynebacterium, Enterococcus, Eubacterium, Gardnerella, Gemella, Listeria, Mycoplasma, Peptostreptococcus, Staphylococcus, Streptococcus, Ureaplasma
Gram-negatives: Campylobacter, Eikenella, Fusobacterium, Haemophilus, Kingella, Neisseria, Pasteurella, Prevotella, Veillonella


REPRESENTATIVES Tn1545 tet(M)
GENETIC LOCATION Conjugative transposon Chromosome
SOURCE Enterococcus (Streptococcus) faecalis BM4127 Ureaplasma urealyticum pUW-JKB1
SEQUENCE ACCESS NB X04388 (Ref. 1) U08812 (Ref. 2)

REPRESENTATIVES Tn916 tetA(M)
GENETIC LOCATION Conjugative transposon (Ref. 20) Chromosome
SOURCE Enterococcus (Streptococcus) faecalis Staphylococcus aureus MRSA101
SEQUENCE ACCESS NB X56353 (Ref. 3) M21136 (Ref. 4)

REPRESENTATIVES pOZ100 pOZ101
GENETIC LOCATION Plasmid Plasmid
SOURCE Neisseria gonorrhoeae 6418 Neisseria gonorrhoeae 2903
SEQUENCE ACCESS NB L12241 (Ref. 5) L12242 (Ref. 5)

REPRESENTATIVES Tn5251 TnFO1
GENETIC LOCATION Conjugative transposon Conjugative transposon
SOURCE Streptococcus pneumoniae Enterococcus faecalis
SEQUENCE ACCESS NB X90939 (Ref. 6) X92947 (Ref. 7)

PROTEIN WEIGHT 72 kDa (Calculated) (Ref. 1)
PROBES 850-bp ClaI-HindIII fragment ofTn1545 or 850-bp EcoRI-HindIII fragment of pAT101 (Ref. 8, 9, 10, 11, 12)
5 kb HincII fragment of pJI3 (Ref. 13)
5’-GCT CAA CAA TTC TGT TCC AGC-3’ (Ref. 14)
PCR PRIMERS see references 5, 15, 16, 17, 18, and 19

  REFERENCES
1 Martin, P., P. Trieu-Cuot, and P. Courvalin. 1986. Nucleotide sequence of the Tet M tetracycline resistance determinant of the streptococcal conjugative shuttle transposon Tn1545. Nucleic Acids Res. 14:7047-7058.
2 Sanchez-Pescador, R., J. T. Brown, M. Roberts and M. S. Urdea. 1988. The nucleotide sequence of the tetracycline resistance determinant tetM from Ureaplasma urealyticum. Nucleic Acids Res. 16:1216-1217.
3 Burdett, V. 1990. Nucleotide sequence of the tet(M) gene of Tn916. Nucleic Acids Res. 18:6137.
4 Nesin, M., P. Svec, J. R. Lupski, G. N. Godson, B. Kreiswirth, J. Kornblum et al.. 1990. Cloning and nucleotide sequence of a chromosomally encoded tetracycline resistance determinant, tetA(M) , from a pathogenic, methicillin-resistant strain of Staphylococcus aureus. Antimicrob. Agents Chemother. 34:2273-2276.
5 Gascoyne-Binzi, D. M., J. Heritage, and P. M. Hawkey. 1993. Nucelotide sequences of the tet(M) genes from the American and Dutch type tetracycline resistance plasmids of Neisseria gonorrhoeae. J. Antimicrob. Chemother. 32:667-676.
6 Provvedi, R., R. Manganelli, and G. Pozzi. 1996. Characterization of the conjugative transposon Tn5251 of Streptococcus pneumoniae. FEMS Microbiol. Lett. 135:231-236.
7 Perreten, V., B. Kolloeffel, and M. Teuber. 1997. Conjugal transfer of Tn916-like transposon TnFO1 from Enterococcus faecalis FO1 to several Gram-positive bacteria. Syst. AppL. Microbiol. 20:27-38.
8 Lee, C. Y., B. E. Langlois, and K. A. Dawson. 1993. Detection of tetracycline resistance determinants in pig isolates from three herds with different histories of antimicrobial agent exposure. Appl. Environ. Microbiol. 59:1467-1472.
9 Schwarz, S., I. W. T. Wibawan, and C. Lammler. 1994. Distribution of genes conferring combined resistance to tetracycline and minocycline among group-B streptococcal isolates from humans and various animals. Zbl. Bakt. 281:526-533.
10 Schwarz. S., and W. C. Noble. 1994. Tetracycline resistance genes in staphylococci from the skin of pigs. J. Appl. Bacteriol. 76:320-326.
11 Charpentier, E., G. Gerbaud, and P. Courvalin. 1994. Presence of the Listeria tetracycline resistance gene tet(S) in Enterococcus faecalis. Antimicrob. Agents Chemother. 38:2330-2335.
12 Chaslus-Dancla, E., M.-C. Lesage-Descauses, S. Leroy-Sétrin, J.-L. Martel, and J.-P. Lafont. 1995. Tetracycline resistance determinants, Tet B and Tet M, detected in Pasteurella multocida from bovine herds. J. Antimicrob. Chemother. 36:815-819.
13 Roe, D. E., P. H. Braham, A. Weinberg, and M. C. Roberts. 1995. Characterization of tetracycline resistance in Actinobacillus actinomycetemcomitans. Oral Microbiol. Immunol. 10:227-232.
14 Carballo, M., L. K. Ng, and J. R. Dillon. 1994. Detection of the tetM determinant in Neisseria gonorrhoeae using a non-radioactively labelled oligonucleotide probe. Mol. Cell. Probes 8:205-208.
15 Roberts, M. C., Y. Pang, D. E. Riley, S. L. Hillier, R. C. Berger, and J. N. Krieger. 1993. Detection of Tet M and Tet O tetracycline resistance genes by polymerase chain reaction. Mol. Cell. Probes 7:387-393.
16 Xia, M., Y. Pang, and M. C. Roberts. 1995. Detection of two groups of 25.2 MDa Tet M plasmids by polymerase chain reaction of the down stream region. Mol. Cell. Probes 9:327-332.
17 Lacroix, J. M., and C. B.Walker. 1995. Detection and incidence of the tetracycline resistance determinant tet(M) in the microflora associated with adult periodontitis. J. Periodont. 66:102-108.
18 Hansen, L. M., P. C. Blanchard, and D. C. Hirsh. 1996. Distribution of tet(H) among Pasteurella isolates from the United States and Canada. Antimicrob. Agents Chemother. 40:1558-1560.
19 Lyras, D., and J. I. Rood. 1996. Genetic organization and distribution of tetracycline resistance determinants in Clostridium perfringens. Antimicrob. Agents Chemother. 40:2500-2504.
20 Salyers, A.A., N.B. Shoemaker, A.M. Stevens and L.-Y. Li. 1995. Conjugative transposons: an unusual and diverse set of integrated gene transfer elements. Microbiol. Rev. 59:579-590.
21 Rice, L. B. 1998. Tn916 family conjugative transposons and dissemination of antimicrobial resistance determinants. Antimicrob. Agents Chemother. 42:1871-1877.