Fig. 7 | The ISME Journal

Fig. 7

From: Nitric oxide production and antioxidant function during viral infection of the coccolithophore Emiliania huxleyi

Fig. 7

Assessment of diagnostic stains for natural E. huxleyi populations in the North Atlantic. a Locations of distinct water masses sampled on the NA-VICE cruise along a 2000 nautical mile transect in the North Atlantic. Early, late, and post infection populations were previously characterized using lipid- and gene-based biomarkers [12]. Red numbers 29, 40, 89, and 92 represent CTD casts for which additional analyses are performed in this study. b, c Box-and-whisker plots showing the respective abundances of host E. huxleyi cells (cells ml−1) and replicating EhVs (MCP gene copies E. huxleyi cell−1) for the different sampled populations at three depths where E. huxleyi were present in highest abundance. df Box-and-whisker plots showing corresponding DAF-FM DA, CM-H2DCFDA, and SYTOX Green fluorescence for these populations. Data are an average of two replicates per depth sampled. Data in (a, b, c, and f) were published by Laber et al. [12]. For all box plots, upper and lower bounds of the box represent the 25% and 75% quartiles around the median. Vertical lines extend to data points no greater than 1.5 times the inter-quartile range. Data points that extend beyond this range are represented by dots. Statistically significant differences were determined using one-way ANOVA with the Tukey HSD post hoc test (letters denote statistically different subgroups, p < 0.05)

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