Telomere maintenance by recombination in human cells. Export

@article{citeulike:1278786, abstract = {Telomeres of eukaryotic chromosomes contain many tandem repeats of a G-rich sequence (for example, TTAGGG in vertebrates). In most normal human cells, telomeres shorten with each cell division, and it is proposed that this limits the number of times these cells can replicate. Telomeres may be maintained in germline cells, and in many immortalized cells and cancers, by the telomerase holoenzyme (first discovered in the ciliate Tetrahymena), which uses an RNA subunit as template for synthesis of telomeric DNA by the reverse transcriptase catalytic subunit. Some immortalized human cell lines and some tumours maintain their telomeres in the absence of any detectable telomerase activity by a mechanism referred to as alternative lengthening of telomeres (ALT). Here we show that DNA sequences are copied from telomere to telomere in an immortalized human ALT cell line, indicating that ALT occurs by means of homologous recombination and copy switching.}, address = {Cancer Research Unit, Children's Medical Research Institute, Westmead, Sydney, Australia.}, author = {Dunham, M. A. and Neumann, A. A. and Fasching, C. L. and Reddel, R. R.}, citeulike-article-id = {1278786}, citeulike-linkout-0 = {http://dx.doi.org/10.1038/82586}, citeulike-linkout-1 = {http://view.ncbi.nlm.nih.gov/pubmed/11101843}, citeulike-linkout-2 = {http://www.hubmed.org/display.cgi?uids=11101843}, doi = {10.1038/82586}, issn = {1061-4036}, journal = {Nat Genet}, keywords = {alt}, month = {December}, number = {4}, pages = {447--450}, posted-at = {2007-05-05 09:16:52}, priority = {2}, title = {Telomere maintenance by recombination in human cells.}, url = {http://dx.doi.org/10.1038/82586}, volume = {26}, year = {2000} }

TY - JOUR ID - citeulike:1278786 L3 - citeulike-article-id:1278786 N2 - Telomeres of eukaryotic chromosomes contain many tandem repeats of a G-rich sequence (for example, TTAGGG in vertebrates). In most normal human cells, telomeres shorten with each cell division, and it is proposed that this limits the number of times these cells can replicate. Telomeres may be maintained in germline cells, and in many immortalized cells and cancers, by the telomerase holoenzyme (first discovered in the ciliate Tetrahymena), which uses an RNA subunit as template for synthesis of telomeric DNA by the reverse transcriptase catalytic subunit. Some immortalized human cell lines and some tumours maintain their telomeres in the absence of any detectable telomerase activity by a mechanism referred to as alternative lengthening of telomeres (ALT). Here we show that DNA sequences are copied from telomere to telomere in an immortalized human ALT cell line, indicating that ALT occurs by means of homologous recombination and copy switching. IS - 4 JF - Nat Genet SN - 1061-4036 AD - Cancer Research Unit, Children's Medical Research Institute, Westmead, Sydney, Australia. EP - 450 TI - Telomere maintenance by recombination in human cells. VL - 26 SP - 447 KW - alt AU - Dunham, MA AU - Neumann, AA AU - Fasching, CL AU - Reddel, RR PY - 2000/12// UR - http://dx.doi.org/10.1038/82586 ER -