Using a forward genetics approach, Biosciences researchers revealed that the enzyme hexokinase, which is involved in sugar metabolism in organisms ranging from bacteria to plants to humans, is necessary for the regulation of photosynthesis and metabolism in the green alga Chromochloris zofngiensis. https://biosciences.lbl.gov/2019/10/01/a-molecular-switch-for-photosynthesis-and-lipid-accumulation/