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Table 4 Summary of prevalence and total number of tetracycline-resistant bacteria species and genotypes

From: Prevalence of tetracycline resistance genes among multi-drug resistant bacteria from selected water distribution systems in southwestern Nigeria

Bacteria

No of MDR isolates genotyped

No. (%) tetracycline resistant

Source of Isolate

tet genotype

No Positive for tet gene

Aeromonas spp

5

1 (3.44)

IRW

tet(E)

1

Alcaligenes spp

20

10 (34.48)

IFW, EDFW, OWODFW,OWODM2, OWIRW, OWIM1, OWIM2

tet(A)

9

tet(E)

4

tet(M)

1

tet30

2

tet(A) + tet30

2

tet(A) + tet(E)

3

tet(A) + tet(M)

1

tet(E) + tet(M)

1

tet(E) + tet30

1

tet(A) + tet(E) + tet30

1

tet(A) + tet(E) + tet(M)

1

tet(A) + tet(E) + tet(M)

1

Bacillus spp

45

2 (6.89)

IFW, EDRW

tet(B)

1

tet(E)

1

Klebsiella spp

14

1 (3.44)

OWIRW

tet(E)

1

Leucobacter spp

2

1(3.44)

ARW

tet(B)

1

Morganella spp

7

6 (20.69)

EDFW, ERW, OWODFW, OWODM1, OWODM3, OWIRW

tet(A) + tet(M)

3

 

3

Proteus spp

22

2 (6.90)

ARW, EFW

tet(A)

1

tet(B)

1

Uncultured bacteria clone

7

3 (10.34)

ARW, AM1

tet(B) + tet(M)

2

 

1

  1. Codes: IRW = Ife raw water, IFFW = Ife treated water, IFM1 and IFM2 = Ife municipal tap 1 and 2, EDRW = Ede raw water, EDFW = Ede treated water, EDM1 and EDM2 = Ede municipal tap 1 and 2, ARW = Asejire raw water, AFW = Asejire treated water, AM1 and AM2 = Asejire municipal tap 1 and 2, ERW = Eleyele raw water, EFW = Eleyele treated water, EM1 and EM2 = Eleyele municipal 1 and 2, OWODRW = Owena Ondo raw water, OWODFW = Owena Ondo treated water, OWODM1 and OWODM2 = Owena-ondo municipal tap 1 and 2, OWIRW = Owena-Idanre raw water, OWIFW = Owena-Idanre treated water, OWIM1 and OWIM2 = Owena-Idanre municipal tap 1 and 2 Note: Bacteria was identified to the genus level by 16S rDNA partial Sequence