Figure 4.

Quenching of elastase production and lecA expression in P. aeruginosa by ginger rhizosphere strains. (A) Elastase production by P. aeruginosa following monoculture (PAO1) or in co-culture with GG2 (PAO1+GG2), GG4 (PAO1+GG4) or Se14 (PAO1+Se14) at a starting inoculum ratio of 1:1 for 24 h. (B) Expression of a lecA::lux fusion following monoculture or co-culture of P. aeruginosa PAO1 with GG2, GG4 or Se14 at a starting inoculum ratio of 1:1 for 24 h. The data are presented as RLU/OD to account for any differences in growth.

Chan et al. BMC Microbiology 2011 11:51   doi:10.1186/1471-2180-11-51
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