Est1 and Cdc13 as comediators of telomerase access. Export

@article{citeulike:1222717, abstract = {Cdc13 and Est1 are single-strand telomeric DNA binding proteins that contribute to telomere replication in the yeast Saccharomyces cerevisiae. Here it is shown that fusion of Cdc13 to the telomerase-associated Est1 protein results in greatly elongated telomeres. Fusion proteins consisting of mutant versions of Cdc13 or Est1 confer similar telomere elongation, indicating that close physical proximity can bypass telomerase-defective mutations in either protein. Fusing Cdc13 directly to the catalytic core of telomerase allows stable telomere maintenance in the absence of Est1, consistent with a role for Est1 in mediating telomerase access. Telomere length homeostasis therefore is maintained in part by restricting access of telomerase to chromosome termini, but this limiting situation can be overcome by directly tethering telomerase to the telomere.}, address = {Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA.}, author = {Evans, S. K. and Lundblad, V.}, citeulike-article-id = {1222717}, citeulike-linkout-0 = {http://view.ncbi.nlm.nih.gov/pubmed/10506558}, citeulike-linkout-1 = {http://www.hubmed.org/display.cgi?uids=10506558}, day = {1}, issn = {0036-8075}, journal = {Science}, keywords = {cdc13, est1, telomerasemechanism}, month = {October}, number = {5437}, pages = {117--120}, posted-at = {2007-04-12 19:25:16}, priority = {2}, title = {Est1 and Cdc13 as comediators of telomerase access.}, url = {http://view.ncbi.nlm.nih.gov/pubmed/10506558}, volume = {286}, year = {1999} }

TY - JOUR ID - citeulike:1222717 L3 - citeulike-article-id:1222717 N2 - Cdc13 and Est1 are single-strand telomeric DNA binding proteins that contribute to telomere replication in the yeast Saccharomyces cerevisiae. Here it is shown that fusion of Cdc13 to the telomerase-associated Est1 protein results in greatly elongated telomeres. Fusion proteins consisting of mutant versions of Cdc13 or Est1 confer similar telomere elongation, indicating that close physical proximity can bypass telomerase-defective mutations in either protein. Fusing Cdc13 directly to the catalytic core of telomerase allows stable telomere maintenance in the absence of Est1, consistent with a role for Est1 in mediating telomerase access. Telomere length homeostasis therefore is maintained in part by restricting access of telomerase to chromosome termini, but this limiting situation can be overcome by directly tethering telomerase to the telomere. IS - 5437 JF - Science SN - 0036-8075 AD - Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA. EP - 120 TI - Est1 and Cdc13 as comediators of telomerase access. VL - 286 SP - 117 KW - cdc13 KW - est1 KW - telomerasemechanism AU - Evans, SK AU - Lundblad, V PY - 1999/10/01/ UR - http://view.ncbi.nlm.nih.gov/pubmed/10506558 ER -