SGD Paper 
Menendez-Benito V, et al. (2013) Spatiotemporal analysis of organelle and macromolecular complex inheritance. Proc Natl Acad Sci U S A 110(1):175-80
Abstract: Following mitosis, daughter cells must inherit a functional set of essential proteins and organelles. We applied a genetic tool to simultaneously monitor the kinetics and distribution of old and new proteins marking all intracellular compartments in budding yeasts. Most organelles followed a general pattern whereby preexisting proteins are symmetrically partitioned followed by template-based incorporation of new proteins. Peroxisomes belong to this group, supporting a model of biogenesis by growth and division from preexisting peroxisomes. We detected two exceptions: the nuclear pore complex (NPC) and the spindle pole body (SPB). Old NPCs are stably inherited during successive generations but remained separated from new NPCs, which are incorporated de novo in mother and daughter cells. Only the SPB displayed asymmetrical distribution, with old components primarily inherited by daughter cells and new proteins equally incorporated in both cells. Our analysis resolves conflicting models (peroxisomes, NPC) and reveals unique patterns (NPC, SPB) of organelle inheritance.
| Status: Published | Type: Journal Article | Research Support, Non-U.S. Gov't | PubMed ID: 23248297 |
Topics addressed in this paper
Number of different genes curated to this paper: 10
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