Antibacterial Effects of Cissus welwitschii and Triumfetta welwitschii Extracts against Escherichia coli and Bacillus cereus

Figure 2

Fluorescence of nucleic acid binding propidium iodide after exposure of B. cereus and E. coli to T. welwitschii plant extracts. The T. welwitschii extracts were tested at the MIC and 2-fold the MIC, while kanamycin, 3% DMSO, 0.1% SDS, and untreated cells were used as controls. . The test was conducted twice. The test for significance was carried out by comparing all samples to cells only. . . . LM: leaf methanol; RM: root methanol; Kan.: kanamycin; DMSO: dimethyl sulfoxide; SDS: sodium dodecyl sulphate.