Additional file 1.

Figure S1. Diel cycle of visible and UV radiations, as measured in the cyclostat growth chamber. The different plots correspond to the photosynthetically active radiation [PAR; Emax(400-700 nm) = 875 ╬╝mol photons m-2 s-1; red line], the total UV radiation [Emax(280-400 nm) = 8.22 W m-2; green line], the UV-A radiation [Emax(320-400 nm) = 7.59 W m-2; yellow line] and the UV-B radiation [Emax(280-320 nm) = 0.57 W m-2; violet line] components. When only visible light neon tubes were switched on, UV radiation levels were near detection limits [Emax(280-400 nm) = 0.04 W m-2; data not shown].

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Kolowrat et al. BMC Microbiology 2010 10:204   doi:10.1186/1471-2180-10-204