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Table. 3.

Table. 3.

Aminoglycoside resistance determinants of E. coli isolates involved in this study

Isolate Specimens Phenotype* Aminoglycoside-modifying Enzyme genes 16S ribosomal RNA methyltransferases
C1 Urine TOB aac(6′)-Ib
C2 Urine
C3 Sputum CN, TOB aac(3′)-II aac(6′)-Ib
C4 Blood aph(3′)-Ia
C5 Blood aph(3′)-Ia
C6 Urine CN, TOB aac(3′)-II
C7 Urine
C8 Urine CN, TOB aac(3′)-II
C9 Sputum CN, TOB aac(3′)-II aph(3′)-Ia
C10 Blood
C11 Urine
C12 Urine
C13 Urine CN, TOB aac(3′)-II
C14 Urine CN, TOB aac(3′)-II
C15 Urine CN, TOB aac(3′)-II
C16 Urine CN, TOB aac(3′)-II
C17 Urine CN, TOB aac(3′)-II
C18 Urine CN, TOB aac(3′)-II
C19 Urine
C20 Urine
C21 Urine CN, TOB aac(3′)-II
C22 Blood
C23 Urine CN, TOB aac(3′)-II aac(6′)-Ib
C24 Urine
C25 Urine
C26 Urine
C27 Pus CN aac(3′)-II
C28 Urine CN, TOB aac(3′)-II
C29 Urine
C30 Pus CN aac(3′)-II
C31 Pus TOB aac(3′)-II aph(3′)-Ia
C32 Urine AK, CN, TOB aac(3′)-II aph(3′)-Ia aac(6′)-Ib
C33 Urine AK, CN, TOB aac(3′)-II aph(3′)-Ia aac(6′)-Ib

Abbreviations: AK, amikacin; CN, gentamicin; TOB, tobramycin.

*Antimicrobial resistant phenotypes about aminoglycoside: amikacin; gentamicin and tobramycin.

Korean J Clin Lab Sci 2020;52:136-42 https://doi.org/10.15324/kjcls.2020.52.2.136
© 2020 Korean J Clin Lab Sci