diff --git a/studies/Ribes_nigrum_transcriptome/README.md b/studies/Ribes_nigrum_transcriptome/README.md
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+
+# Drought stress experiment
+
+A greenhouse experiment was performed to investigate the influence of drought stress on the gene expression of *R. nigrum* cv Rosenthals Langtraubige. Stressed plants that were not watered for 4 days were compared to control plants with continuous irrigation. Both leaves and roots were sampled for RNA extraction.
+
+
+
+![](./protocols/greenhouse_drought_experiment.png)
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