FULCHER, N., E. DERBOVEN, S. VALUCHOVA and Karel ŘÍHA. If the cap fits, wear it: an overview of telomeric structures over evolution. Cellular and molecular life sciences. BASEL: BIRKHAUSER VERLAG AG, 2014, vol. 71, No 5, p. 847-865. ISSN 1420-682X. Available from: https://dx.doi.org/10.1007/s00018-013-1469-z.
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Basic information
Original name If the cap fits, wear it: an overview of telomeric structures over evolution
Authors FULCHER, N. (40 Austria), E. DERBOVEN (40 Austria), S. VALUCHOVA (40 Austria) and Karel ŘÍHA (203 Czech Republic, guarantor, belonging to the institution).
Edition Cellular and molecular life sciences, BASEL, BIRKHAUSER VERLAG AG, 2014, 1420-682X.
Other information
Original language English
Type of outcome Article in a journal
Field of Study Genetics and molecular biology
Country of publisher Switzerland
Confidentiality degree is not subject to a state or trade secret
WWW URL
Impact factor Impact factor: 5.808
RIV identification code RIV/00216224:14740/14:00079175
Organization unit Central European Institute of Technology
Doi http://dx.doi.org/10.1007/s00018-013-1469-z
UT WoS 000330963900006
Keywords in English Telomeres; Telomerase; Chromosomes; Genome evolution; DNA repair; Retrotransposons
Tags kontrola MP, MP, rivok
Tags International impact, Reviewed
Changed by Changed by: Martina Prášilová, učo 342282. Changed: 23/2/2015 11:50.
Abstract
Genome organization into linear chromosomes likely represents an important evolutionary innovation that has permitted the development of the sexual life cycle; this process has consequently advanced nuclear expansion and increased complexity of eukaryotic genomes. Chromosome linearity, however, poses a major challenge to the internal cellular machinery. The need to efficiently recognize and repair DNA double-strand breaks that occur as a consequence of DNA damage presents a constant threat to native chromosome ends known as telomeres. In this review, we present a comparative survey of various solutions to the end protection problem, maintaining an emphasis on DNA structure. This begins with telomeric structures derived from a subset of prokaryotes, mitochondria, and viruses, and will progress into the typical telomere structure exhibited by higher organisms containing TTAGG-like tandem sequences. We next examine non-canonical telomeres from Drosophila melanogaster, which comprise arrays of retrotransposons. Finally, we discuss telomeric structures in evolution and possible switches between canonical and non-canonical solutions to chromosome end protection.
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