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. Author manuscript; available in PMC: 2012 Dec 16.
Published in final edited form as: Bioorg Med Chem. 2011 May 27;19(22):6654–6657. doi: 10.1016/j.bmc.2011.05.041

Table 1.

In vitro activities of 1 and AMB against melanized C. neoformans var. grubii and var. gattii grown in the presence of catecholamines by the halo assay.

Samplea Substrateb Halo diameter, mm C. neoformans
var. grubii var. gattii
1 L-dopa 17c 17c
Dopamine 15c 18c
Epinephrine 12c 12c

AMB L-dopa 21 17
Dopamine 18 22
Epinephrine 18 18
a

Concentration per disk was at 20 μg.

b

Cells were grown in the presence of 1mM catecholamine in the minimal medium for 6 to 8 days to promote melanization.

c

Halo surrounding the disk revealed the presence of non-melanized cells.