Figure 2From: Lipid accumulation and biosynthesis genes response of the oleaginous Chlorella pyrenoidosaunder three nutrition stressorsThe lipid content of Chlorella pyrenoidosa . Lipid content under (a) total nutrient cultivation, (b) nitrogen-deficient cultivation, (c) phosphorus-deficient cultivation and (d) iron-deficient cultivation. TAG, triacylglycerol.Back to article page