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Fig. 5 | BMC Biology

Fig. 5

From: Chlorophyll fluorescence as a light signal enhances iron uptake by the marine diatom Phaeodactylum tricornutum under high-cell density conditions

Fig. 5

Relative expression of ISIP2a and ISIP1 in the experiments carried out with the “sandwich” device. a “Sandwich” device configuration. By applying direct blue light at 80 μmol/m2/s on bottles A and C along with x-axis, chlorophyll fluorescence is excited in the y-axis. Due to the presence of the black coating and the red filter, the algae in bottle B can only receive light from the red zone in the y-direction. Changing the cell density in the A and C bottles (NC represents ASW, L represents low-cell density, and M represents middle cell density) can change the intensity of the excited fluorescence. b Side view of “sandwich” device. c The excited light spectral arriving in bottle B. d Relative expression of ISIP2a and ISIP1. Data was shown as mean values ± SD for three independent experiments

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BMC Biology

ISSN: 1741-7007

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