Telomere-length regulation in inter-ecotype crosses of Arabidopsis

Telomere-length regulation in inter-ecotype crosses of Arabidopsis Telomeres, the nucleoprotein complexes at the ends of eukaryotic chromosomes, are maintained at a species-specific equilibrium length. Arabidopsis thaliana is a self-fertilizing plant and different geographical isolates or ecotypes show differing telomere-lengths. We have exploited this telomere-length polymorphism between Arabidopsis ecotypes to investigate the genetic regulation of telomere length by analysing telomere lengths in 16 different inter-ecotype crosses between plants with differing telomere sizes. With two exceptions, the inter-ecotype hybrid plants present a new telomere-length set point, intermediate between that of the two parents. A regulation mechanism thus shortens the longer and lengthens the shorter telomeres. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Plant Molecular Biology Springer Journals

Telomere-length regulation in inter-ecotype crosses of Arabidopsis

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Publisher
Kluwer Academic Publishers
Copyright
Copyright © 2006 by Springer Science+Business Media B.V.
Subject
Life Sciences; Plant Pathology; Biochemistry, general; Plant Sciences
ISSN
0167-4412
eISSN
1573-5028
D.O.I.
10.1007/s11103-006-9061-7
Publisher site
See Article on Publisher Site

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