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Diatom evolution through the lens of genomics. Major events during the evolution of diatoms from secondary endosymbionts are shown, together with approximate dates. TE, transposable element. The estimated time of separation between pennate and centric diatoms at around 70 million years (70 Ma) is based on Chacón-Baca et al. [54]. Figure modified from Bowler et al. [3].
