Visual verification of close disposition between a rice A genome-specific DNA sequence (TrsA) and the telomere sequence

Visual verification of close disposition between a rice A genome-specific DNA sequence (TrsA) and... A rice A genome-specific tandem repeat sequence (TrsA) and telomeric nucleotide sequences, (TTTAGGG)n, were simultaneously detected by multicolor fluorescence in situ hybridization (McFISH) using rice prometaphase chromosomes. Six pairs of TrsA sites visualized by fluorescence signals were all localized on the long arms close to the telomeric regions. Differences in the copy number of TrsA at the different sites were visualized both by the size of the telomeric condensation block stained with Giemsa solution and the signal intensity after FISH with TrsA. McFISH analyses using interphase nuclei could resolve close disposition of TrsA and telomere and also gave rough estimation of the distance between them. The functional significance of the close disposition of TrsA and telomere is discussed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Plant Molecular Biology Springer Journals

Visual verification of close disposition between a rice A genome-specific DNA sequence (TrsA) and the telomere sequence

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Publisher
Kluwer Academic Publishers
Copyright
Copyright © 1997 by Kluwer Academic Publishers
Subject
Life Sciences; Biochemistry, general; Plant Sciences; Plant Pathology
ISSN
0167-4412
eISSN
1573-5028
D.O.I.
10.1023/A:1005822504690
Publisher site
See Article on Publisher Site

Abstract

A rice A genome-specific tandem repeat sequence (TrsA) and telomeric nucleotide sequences, (TTTAGGG)n, were simultaneously detected by multicolor fluorescence in situ hybridization (McFISH) using rice prometaphase chromosomes. Six pairs of TrsA sites visualized by fluorescence signals were all localized on the long arms close to the telomeric regions. Differences in the copy number of TrsA at the different sites were visualized both by the size of the telomeric condensation block stained with Giemsa solution and the signal intensity after FISH with TrsA. McFISH analyses using interphase nuclei could resolve close disposition of TrsA and telomere and also gave rough estimation of the distance between them. The functional significance of the close disposition of TrsA and telomere is discussed.

Journal

Plant Molecular BiologySpringer Journals

Published: Sep 30, 2004

References

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