Table 4. Antibiotic resistance patterns of coliform strains recovered from treated sewage and their transference to Escherichia coli K-12 (transconjugants).


Donor
Organisms

N° of
Strains

Resistance
Pattern

N° of
Transconjugants

Transferred
Pattern

E. coli

1

AM-TE-CM

1

AM

E. coli

2

AM-TE-SXT

2

AM-TE

E. coli

1

AM-TE-SM-KM

1

AM-TE

 

 

 

1

AM-TE-KM

E. coli

2

AM-TE-SM-SXT

1

AM-TE-SM-SXT

E. coli

4

AM-TE-CM-SM-SXT

3

AM-TE-CM

  

 

 

1

AM-TE-CM-SM

K. oxytoca

1

AM-TE-SXT

1

AM-TE

K. oxytoca

1

AM-CM-SXT

1

AM-CM

K. oxytoca

2

AM-TE- SXT-SM

1

AM-TE-SXT

  

 

 

1

AM-TE-SXT-SM

K. oxytoca

1

AM-TE- SXT-SM-CM-KM

1

AM-TE-SM

  

 

 

1

AM-TE-SM-SXT-CM

K. ozaenae

2

AM-TE- SXT-SM

1

AM-TE

  

 

 

1

AM-TE-SM-SXT

E. aerogene

1

AM-TE-SXT

1

AM-TE-SXT

E. aerogene

1

AM-TE-CE

1

AM-TE

C. freundii

1

AM-CM-SXT

1

AM-CM-SXT

C. freundii

1

AM-CM-SXT-TE-SM

1

AM-CM-SXT-TE-SM


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