Journal
NATURE REVIEWS MICROBIOLOGY
Volume 11, Issue 9, Pages 648-655Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/nrmicro3090
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Funding
- US National Institutes of Health grant (as part of the Intramural Research Program of the National Institutes of Diabetes and Digestive and Kidney Diseases)
- Spanish Government Ministry of Economy and Competitiveness [BIO2010-22146]
- Universidad Complutense de Madrid [GR58/08]
- Comunidad de Madrid [S2010/BDM-2414]
- European Science Foundation [06-RNP-132]
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In budding yeast, the neck that connects the mother and daughter cell is the site of essential functions such as organelle trafficking, septum formation and cytokinesis. Therefore, the morphology of this region, which depends on the surrounding cell wall, must be maintained throughout the cell cycle. Growth at the neck is prevented, redundantly, by a septin ring inside the cell membrane and a chitin ring in the cell wall. Here, we describe recent work supporting the hypothesis that attachment of the chitin ring, which forms at the mother-bud neck during budding, to beta-1,3-glucan in the cell wall is necessary to stop growth at the neck. Thus, in this scenario, chemistry controls morphogenesis.
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