Correlation between culture pH and chronological life span.

<p>BY4743 and RM11 cells were aged in synthetic complete medium with different carbon sources as shown in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0024530#pone-0024530-t003" target="_blank"><b>Table 3</b></a> and <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0024530#pone-0024530-g005" target="_blank"><b>Figure 5</b></a>. Culture pH was measured at either day 2 or day 4 of the experiment.