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Cited by 551Telomeres, Telomerase, and SenescenceChromosomal and Genetic VariationsGenetics, Aging, and Longevity in Model Organisms

The DOI matches its Crossref record; 31 of the 31 references it cites were found in a registry or an index.

DNA sequences of telomeres maintained in yeast

Shampay, Janis, Szostak, Jack W., Blackburn, Elizabeth H.·1984·Nature
DOI 10.1038/310154a0
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Abstract

Telomeres, the ends of eukaryotic chromosomes, have long been recognized as specialized structures. Their stability compared with broken ends of chromosomes suggested that they have properties which protect them from fusion, degradation or recombination. Furthermore, a linear DNA molecule such as that of a eukaryotic chromosome must have a structure at its ends which allows its complete replication, as no known DNA polymerase can initiate synthesis without a primer. At the ends of the relatively short, multi-copy linear DNA molecules found naturally in the nuclei of several lower eukaryotes, there are simple tandemly repeated sequences with, in the cases analysed, a specific array of single-strand breaks, on both DNA strands, in the distal portion of the block of repeats. In general, however, direct analysis of chromosomal termini presents problems because of their very low abundance in nuclei. To circumvent this problem, we have previously cloned a chromosomal telomere of the yeast Saccharomyces cerevisiae on a linear DNA vector molecule. Here we show that yeast chromosomal telomeres terminate in a DNA sequence consisting of tandem irregular repeats of the general form C1-3A. The same repeat units are added to the ends of Tetrahymena telomeres, in an apparently non-template-directed manner, during their replication on linear plasmids in yeast. Such DNA addition may have a fundamental role in telomere replication.

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Research works printed but not linked: 2

  1. Muller, H. J. Collecting Net 13, 181–198 (1938).
  2. Blackburn, E. H. et al. UCLA Symp. Molec. Cell. Biol. 20 (in the press).

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Metadata

Authors
Shampay, J., Szostak, J. W., & Blackburn, E. H.
Affiliations
  • University of California, Berkeley (US)
  • Harvard University (US)
ORCID
Venue
Nature
Publisher
Springer Science and Business Media LLC
Published
1984-07
Volume
310
Issue
5973
Pages
154-157
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
DOI
10.1038/310154a0
OpenAlex
W1972187528
Cited by
551
References
31
Citations by year
2026: 4 · 2025: 2 · 2024: 8 · 2023: 10 · 2022: 11 · 2021: 10 · 2020: 4 · 2019: 16 · 2018: 8 · 2017: 10 · 2016: 11 · 2015: 11 · 2014: 22 · 2013: 12 · 2012: 14
FWCI
24.75
Type
journal article
Language
en
Open access
closed
Licence
www.springer.com/tdm (tdm)
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Chromosomal and Genetic Variations
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
Keywords
telomeres, Saccharomyces cerevisiae, Tetrahymena, tandem repeats, telomere replication, chromosome ends, linear plasmids, chromosome stability
MeSH terms
Base Sequence, Chromosomes, Cloning, Molecular, DNA Restriction Enzymes, DNA, Fungal, Molecular Weight, Nucleic Acid Hybridization, Plasmids, Saccharomyces cerevisiae

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