Fig. 3

Transcriptome analysis of S. elongatus under subjective day and night conditions. (A) Principal component analysis (PCA) of global gene expression profiles. (B) Volcano plots showing differentially expressed genes at (B.1) 0 h (20:00 vs. 12:00), (B.2) 2 h (22:00 vs. 14:00), (B.3) 4 h (00:00 vs. 16:00), and (B.4) 8 h (04:00 vs. 20:00)