Journal
TRENDS IN PLANT SCIENCE
Volume 22, Issue 7, Pages 596-609Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tplants.2017.03.012
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Funding
- US Department of Energy BER Division program
- BES-Physical Biosciences program
- Natural Sciences and Engineering Research Council of Canada
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Lipid droplets (LDs) in plants have long been viewed as storage depots for neutral lipids that serve as sources of carbon, energy, and lipids for membrane biosynthesis. While much of our knowledge of LD function in plants comes from studies of oilseeds, a recent surge in research on LDs in non-seed cell types has led to an array of new discoveries. It is now clear that both evolutionarily conserved and kingdom-specific mechanisms underlie the biogenesis of LDs in eukaryotes, and proteomics and homology-based approaches have identified new protein players. This review highlights some of these recent discoveries and other new areas of plant LD research, including their role in stress responses and as targets of metabolic engineering strategies aimed at increasing oil content in bioenergy crops.
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