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. 2015 Aug 11;6:799. doi: 10.3389/fmicb.2015.00799

Table 1.

Minimum inhibitory concentration (MIC mg/L) of distinct antibiotics on four cyanobacteria strains from Microcystis aeruginosa (LMECYA7), Aphanizomenon gracile (LMECYA 40), Chrisosporum bergii (LMECYA 246), and Planktothix agradhii (LMECYA 260).

Minimum Inhibitory Concentration (MIC, mg/L)
Cyanobacteria Inocula Amoxicillin Ceftazidime Ceftriaxone Norfloxacine Nalidixic acid Kanamycin Gentamicine Tetracyclin Trimethoprim
STa CSt1b CSt2c STa CSt1b CSt2c STa CSt1b CSt2c STa CSt1b CSt2c STa CSt1b CSt2c STa CSt1b CSt2c STa CSt1b CSt2c STa CSt1b CSt2c STa CSt1b CSt2c
LMECYA 7 I1-A 0.025 0.05 0.8 0.1 0.1 0.4 0.2 0.2 >0.2 0.006 0.006 0.2 1.6 1.6 >1.6 0.1 0.1 0.2 0.2 0.2 0.4 0.8 0.4 >0.8 >1.6 >1.6 >1.6
I1-B 0.006 0.025 >0.025 0.1 0.1 >0.2 0.2 0.2 0.2 0.012 0.012 0.012 >1.6 >1.6 >1.6 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.4 >0.4 >1.6 >1.6 >1.6
I2-A 0.2 0.4 1.6 0.2 0.2 0.4 0.4 0.4 >0.4 0.012 0.012 0.2 >1.6 >1.6 >1.6 0.2 0.2 0.4 0.4 0.4 0.4 1.6 1.6 >1.6 >1.6 >1.6 >1.6
I2-B 0.05 0.05 >0.2 0.1 0.1 0.2 0.4 0.4 0.4 0.012 0.012 0.025 >1.6 >1.6 >1.6 0.2 0.2 0.2 0.2 0.2 0.2 0.2 1.6 >1.6 >1.6 >1.6 >1.6
LMECYA 40 I1-A 0.0015 0.0015 0.003 0.012 0.006 0.012 0.006 0.006 >0.006 0.1 0.1 0.1 >1.6 1.6 >1.6 0.2 0.2 0.2 0.2 0.2 0.4 0.2 0.2 0.4 >1.6 >1.6 >1.6
I1-B 0.0015 0.0015 0.003 0.006 0.012 0.012 0.006 0.006 0.006 0.1 0.1 0.1 >1.6 >1.6 >1.6 0.2 0.4 0.4 0.2 0.2 0.2 0.4 0.4 0.4 >1.6 >1.6 >1.6
I2-A 0.003 0.003 0.006 0.012 0.012 >0.012 0.006 0.006 0.012 0.2 0.1 0.2 >1.6 >1.6 >1.6 0.4 0.4 0.4 0.4 0.4 0.4 0.8 0.8 0.8 >1.6 >1.6 >1.6
I2-B 0.003 0.003 0.012 0.012 0.012 0.025 0.006 0.012 0.012 0.2 0.2 0.2 >1.6 >1.6 >1.6 0.4 0.4 0.4 0.2 0.2 0.2 1.6 1.6 1.6 >1.6 >1.6 >1.6
LMECYA 246 I1-A 0.0015 0.0015 0.003 0.2 0.025 0.05 0.025 0.025 0.05 0.8 0.2 0.8 >1.6 >1.6 >1.6 0.2 0.4 0.4 0.4 0.4 0.4 0.4 0.0015 0.8 >1.6 >1.6 >1.6
I1-B 0.0015 0.0015 0.003 0.1 0.025 0.1 0.025 0.025 0.025 0.8 0.4 0.4 >1.6 >1.6 >1.6 1.6 0.8 1.6 0.4 0.4 0.4 0.4 0.2 0.4 >1.6 >1.6 >1.6
I2-A 0.0015 0.0015 0.006 0.2 0.05 0.2 0.025 0.025 0.1 0.4 0.4 1.6 >1.6 >1.6 >1.6 0.4 0.4 0.8 0.2 0.2 0.4 0.8 0.8 >1.6 >1.6 >1.6 >1.6
I2-B 0.006 0.006 0.012 0.4 0.4 0.4 0.05 0.05 0.05 1.6 0.8 0.8 >1.6 >1.6 >1.6 0.8 0.8 0.8 0.8 0.4 0.4 1.6 0.8 1.6 >1.6 1.6 >1.6
LMECYA 260 I1-A 0.003 0.003 0.003 0.4 0.1 0.2 0.05 0.1 0.1 0.8 0.8 1.6 >1.6 >1.6 >1.6 0.1 0.1 0.1 0.1 0.1 >0.1 0.05 0.05 0.1 >1.6 >1.6 >1.6
I1-B 0.006 0.006 0.012 0.4 0.4 0.4 0.1 0.1 0.2 1.6 0.8 1.6 >1.6 >1.6 >1.6 0.1 0.2 0.2 0.1 0.1 0.1 0.2 0.2 0.4 >1.6 >1.6 >1.6
I2-A 0.012 0.012 0.012 0.4 0.4 0.4 0.4 0.2 0.4 1.6 1.6 1.6 >1.6 >1.6 >1.6 0.2 0.1 0.2 0.1 0.2 0.8 0.2 0.2 >0.2 >1.6 >1.6 >1.6
I2-B 0.012 0.025 0.1 0.4 0.4 0.8 0.2 0.2 0.4 0.8 0.8 1.6 >1.6 >1.6 >1.6 0.2 0.4 0.8 0.2 0.1 0.1 0.4 0.4 0.8 >1.6 >1.6 >1.6
a

St, Susceptibility Test.

b

Cst1, Confirmation Step 1.

c

Cst2, Confirmation Step 2.