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. 2015 Sep 7;6:930. doi: 10.3389/fmicb.2015.00930

FIGURE 5.

FIGURE 5

Change in filament motility in response to changes in water temperature. As temperature increased in the groundwater medium, motility speed of single filaments increased. The temperature range tested was 10–35°C. Microscopic images of single filaments in a plastic Petri dish containing groundwater placed over 1 mm2 graph paper at 10X magnification were captured at 2-min intervals and analyzed using image software analysis. Error bars represent 1 SD over n = 44–174 individual measurements of filament speed.