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Localization of a vertebrate telomeric sequence in the chromosomes of two marine worms (phylum Annelida: class polychaeta)
Authors:A. N. Jha  I. Dominquez  A. S. Balajee  T. H. Hutchinson  D. R. Dixon  A. T. Natarajan
Affiliation:(1) the Brixham Environmental Laboratory, ZENECA Limited, Freshwater Quarry, TQ5 8BA Brixham, Devon, UK;(2) the Sylvius Laboratories, Leiden University, 2300 RA Leiden, The Netherlands;(3) the Plymouth Marine Laboratory, Citadel Hill, PL1 2PB Plymouth, UK
Abstract:
Using the fluorescencein situ hybridization (FISH) technique, the presence of the vertebrate telomeric sequence (TTAGGG)n was found in the chromosomes of two marine polychaetes belonging to two separate orders: one errant,Platynereis dumerilii (family Nereidae), and the other sessile,Pomatoceros lamarckii (family Serpulidae). This sequence was exclusively present at the ends of the chromosomes in both species.
Keywords:karyotype evolution  Platynereis dumerilii  polychaete chromosomes  Pomatoceros lamarckii  telomeric (TTAGGG)n sequence
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