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- Title
Role of ANC-1 in tethering nuclei to the actin cytoskeleton.
- Authors
Starr, Daniel A; Han, Min
- Abstract
Mutations in anc-1 (nuclear anchorage defective) disrupt the positioning of nuclei and mitochondria in Caenorhabditis elegans. ANC-1 is shown to consist of mostly coiled regions with a nuclear envelope localization domain (called the KASH domain) and an actin-binding domain; this structure was conserved with the Drosophila protein Msp-300 and the mammalian Syne proteins. Antibodies against ANC-1 localized cytoplasmically and were enriched at the nuclear periphery in an UNC-84-dependent manner. Overexpression of the KASH domain or the actin-binding domain caused a dominant negative anchorage defect. Thus, ANC-1 may connect nuclei to the cytoskeleton by interacting with UNC-84 at the nuclear envelope and with actin in the cytoplasm.
- Publication
Science (New York, N.Y.), 2002, Vol 298, Issue 5592, p406
- ISSN
1095-9203
- Publication type
Journal Article
- DOI
10.1126/science.1075119