TABLE 1.
Lipid body proteins and functions
| Cell type | Protein | Function | Reference(s) |
|---|---|---|---|
| Plants | |||
| Seeds and fruits | Oleosin | Structural, maintenance of integrity | 98, 100 |
| Steroleosin | Dehydrogenase/reductase function in signal transduction | 85 | |
| Caleosin | Probably involved in assembly of proteins on the lipid body surface | 32, 46, 101 | |
| Anther pollen | None | 98 | |
| Anther tapetum | Oleosin-like | Structural | 98 |
| Plastids | Plastid lipid-associated protein; fibrillin | Structural | 40, 75, 97, 136 |
| Animals | |||
| Liver hepatocytes, intestine enterocytes | Apolipoprotein | Structural | 98 |
| Adipose enterocytes | Perilipin | Structural | 34, 151 |
| ADRP/TIP47 | Role in lipid body formation and differentiation, control of lipolysis | ||
| Adrenal, testis, ovary (steroidogenic) | Perilipin/ADRP/TIP47 | Control of lipolysis | 151 |
| Mammary epithelium | ADRP/TIP47 | Control of lipolysis | 151 |
| Others (e.g., leukocytes) | ADRP?/TIP47? | Control of lipolysis | 151 |
| Microorganisms | |||
| Yeast | Squalene epoxidase | Lipid metabolism | 82 |
| Sterol-Δ24-methyltransferase | 151 | ||
| Oxidosqualene cyclase | 94 | ||
| Long-chain fatty acid ligases | 151 | ||
| Acylglycerol-3-phosphate dehydrogenase | 151 | ||
| Alcohol acetyltransferase | 135 | ||
| TAG lipase | 15 | ||
| PHA-accumulating | PHA synthase | PHA biosynthesis | 114, 129 |
| prokaryotes | PHA depolymerases | PHA mobilization | 149 |
| Phasins | Structural and involved in PHA inclusion formation | 126, 143 | |
| PhaR | Regulation of phasin expression | 109 | |
| TAG- and WE-accumulating prokaryotes | WS/DGAT? Specific lipases? | Lipid biosynthesis and mobilization | 128, 138 |