Figure 1From: Molecular and cellular mechanisms of neutral lipid accumulation in diatom following nitrogen deprivationGrowth of P. tricornutum under standard and N-free conditions. Normal, cells grown under standard conditions, i.e. continuous culture in f/2-Si medium; Control, cells cultured in f/2-Si medium, with a transfer to fresh medium 5 days after subculture; -N, cells cultured in f/2-Si medium, with a transfer to fresh N-free medium 5 days after subculture.Back to article page