Table 1.

Location and between-isolate range of the antimicrobial's MIC advancement-point bacterial density (AP), after which the MIC sharply increased, observed for each of the antimicrobial–bacterial (sub)species combinations.

	The antimicrobial drug MIC's AP observed across n = 4 isolates of the bacterial (sub)species, log10(colony forming units (CFU)/mL)
Mechanism of antibacterial action: antimicrobial drug	Escherichia coli	Non-typhoidal Salmonella enterica subsp. enterica	Staphylococcus aureus	Streptococcus pneumoniae
Inhibiting cell-wall synthesis:
Ceftriaxone	5.2–6.3 (range 1.1)	6.2–7.3 (range 1.1)	6.4–7.6 (range 1.2)	5.0–6.5 (range 1.5)
Oxacillin			3.2–4.1 (range 0.9)	3.5–5.5 (range 2.0)
Vancomycin			4.5–7.4 (range 2.9)
Inhibiting DNA replication:
Ciprofloxacin	3.0–5.7 (range 2.7)	3.3–5.2 (range 1.9)		2.2–4.0 (range 1.8)
Inhibiting protein synthesis:
Gentamicin	4.6–5.5 (range 0.9)	4.4–5.0 (range 0.6)	6.7–7.6 (range 0.9)	2.1–2.8 (range 0.7)
Linezolid			4.6–5.7 (range 1.1)	2.2–2.9 (range 0.7)