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Plant lipid transfer proteins, also known as plant LTPs or PLTPs, are a group of highly-conserved proteins of about 7-9kDa found in higher plant tissues. [ 1 ] [ 2 ] As its name implies, lipid transfer proteins facilitate the shuttling of phospholipids and other fatty acid groups between cell membranes . [ 3 ]
Lipid metabolism is the synthesis and degradation of lipids in cells, involving the breakdown and storage of fats for energy and the synthesis of structural and functional lipids, such as those involved in the construction of cell membranes. In animals, these fats are obtained from food and are synthesized by the liver. [1]
Elaioplasts are one of the three possible forms of leucoplasts, sometimes broadly referred to as such. [1] The main function of elaioplasts is synthesis and storage of fatty acids, terpenes, and other lipids, and they can be found in the embryonic leaves of certain plants, as well as the anthers of many flowering plants. [1] [2] [3] [4]
Lacking photosynthetic pigments, leucoplasts are located in non-photosynthetic tissues of plants, such as roots, bulbs and seeds. They may be specialized for bulk storage of starch , lipid or protein and are then known as amyloplasts , elaioplasts , or proteinoplasts (also called aleuroplasts) respectively.
In biochemistry, lipogenesis is the conversion of fatty acids and glycerol into fats, or a metabolic process through which acetyl-CoA is converted to triglyceride for storage in fat. [1] Lipogenesis encompasses both fatty acid and triglyceride synthesis , with the latter being the process by which fatty acids are esterified to glycerol before ...
They are therefore the principal store of chemical energy in oleaginous seeds. The structure and composition of plant seed oil bodies has been the subject of research from at least as far back as the 1980s, with several papers published in the 80s and 90s. Recent work, using updated techniques, has given a detailed molecular profile of oil bodies.
Osmium tetroxide binds to lipids, consequently staining and fixing them, making the lipids then visible during electron scanning. [5] In the staining of plasma membrane like structures, such as spherosomes, osmium tetroxide binds to the phospholipid regions, thus creating a contrast with the surrounding cytoplasm making it easy to identify the ...
Lipid droplets, also referred to as lipid bodies, oil bodies or adiposomes, [1] are lipid-rich cellular organelles that regulate the storage and hydrolysis of neutral lipids and are found largely in the adipose tissue. [2] They also serve as a reservoir for cholesterol and acyl-glycerols for membrane formation and maintenance.