Journal
CURRENT OPINION IN CELL BIOLOGY
Volume 20, Issue 4, Pages 360-370Publisher
CURRENT BIOLOGY LTD
DOI: 10.1016/j.ceb.2008.03.013
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Funding
- Associazione Italiana per la Ricerca sul Cancro Funding Source: Custom
- Telethon [GGP06166] Funding Source: Medline
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Compartmentalization is a defining feature of eukaryotic cells that allows the spatial segregation of different functions, such as protein and lipid synthesis, and ensures their fidelity and efficiency. This imposes the need for an intense flux of metabolic intermediates between segregated enzymatic activities, as seen for the sequential transport of neosynthesized proteins through the segments of the secretory pathway during their post-translational modification. For lipid synthesis, the identification of proteins that transfer lipids between membranes has revealed an additional mechanism for this intercompartment exchange. The intense interest elicited by the lipid-transfer proteins over the last few years has led to the definition of their central role in key processes, such as lipid metabolism, membrane trafficking, and signaling.
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