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. 2010 Jan;82(1):88–94. doi: 10.4269/ajtmh.2010.09-0226

Figure 3.

Figure 3.

(A) Survival of three reference strains of B. pseudomallei in SDW buffered to pH 7 over a 28-day period. (B) Survival of three reference strains of B. pseudomallei in SDW buffered to pH 6 over a 28-day period. (C) Survival of three reference strains of B. pseudomallei in SDW buffered to pH 5 over a 28-day period. (D) Survival of three reference strains of B. pseudomallei in SDW buffered to pH 4 over a 28-day period. (E) Survival of three reference strains of B. pseudomallei in SDW buffered to pH 3 over a 28-day period. (F) Live/dead bacterial cell viability results showing B. pseudomallei at time = 0 and pH 7 (top left), time = 28 days and pH 7 (top right), time = 0 and pH 3 (bottom left), and time = 28 days and pH 3 (bottom right). At pH 7, predominantly live cells are lost and replaced by a mixture of live and dead cells, whereas at pH 3, live cells and a lot of indeterminate cells are replaced by mainly non-viable cells. However, after 28 days at pH 3, apparently viable bacterial cells are still present.