Merge branch 'example-figure3' into 'master'

add an example dataset for figure 3

See merge request ceplas/publications/Germann-2023!1

assays/Pigment quantification/README.md

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+### Figure caption
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+**Figure 3** Relative change in chlorophyll (left) and carotenoid (right) concentrations [mg l-1 OD750-1] of the overexpression strains compared to the Δshc control strain. Values are represented as the means of three biological replicates. WT represents the Synechocystis sp. PCC 6803 wild type, while the control strain is Synechocystis sp. PCC 6803 Δshc pSHDY rhaS, from which the overexpression strains were constructed by inserting an additional copy of the specified gene under the control of the rhamnose-inducible promoter Prha into its genome. Asterisks (*) represent the p-value of the two-sided t-test between the respective strain and the control strain at the same rhamnose concentration (* denotes a value of p<0.05, ** denotes p<0.01 and *** denotes p<0.001). Samples were measured after three days of incubation with the specified concentration of rhamnose as an inducer.
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+
+### Figure source
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+https://www.frontiersin.org/files/Articles/1024981/fpls-14-1024981-HTML/image_m/fpls-14-1024981-g003.jpg