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. 2021 Jan 8;7(2):eabe2086. doi: 10.1126/sciadv.abe2086

Fig. 1. Entrainment by light and a free-running rhythm in B. subtilis.

Fig. 1

Bioluminescence of PytvA::lux (A) and PkinC::lux (D) under 5 days of entrainment with cycles of darkness and blue light (12-hour D/12-hour L) and after release to constant darkness conditions [DD; (B) and (E)] for 5 days. The temperature was kept constant at 25.5°C. The detrended data are presented as means ± SD. The shading in (A) and (D) shows the timing of the LD cycle (yellow, light phase; gray, dark phase) relative to the bioluminescence. The horizontal bar in (B) and (E) (lower left) shows the time window of 48 hours selected for the analysis of period length. The calculated period length is plotted in (C) and (F); individual data points [(C), N = 16; (F), N = 7] are shown along with the median and interquartile range. See also table S1.