Characterization of several LINE-1 elements in Microtus kirgisorum

Characterization of several LINE-1 elements in Microtus kirgisorum Several LINE-1s have been isolated and characterized from genomic DNA of the vole, Microtus kirgisorum. Blot hybridization revealed specific restriction patterns of L1 elements in vole genomes. Rehybridization of the genomic blot with a cloned 5′-end fragment revealed two major bands indicating the presence of two different L1 subfamilies. The copy numbers are estimated for different parts of M. kirgisorum L1 elements. Data also demonstrate that most vole L1 elements are truncated at the 5′-end; however, in contrast to mouse, the ORF1 copy number is higher in vole. A difference between the substitution rates of the ORF1 5′-region (approximately 330 nucleotides) and the rest of the L1 coding regions is revealed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Mammalian Genome Springer Journals

Characterization of several LINE-1 elements in Microtus kirgisorum

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Publisher
Springer-Verlag
Copyright
Copyright © 1999 by Springer-Verlag New York Inc.
Subject
Life Sciences; Cell Biology; Animal Genetics and Genomics; Human Genetics
ISSN
0938-8990
eISSN
1432-1777
D.O.I.
10.1007/s003359901079
Publisher site
See Article on Publisher Site

Abstract

Several LINE-1s have been isolated and characterized from genomic DNA of the vole, Microtus kirgisorum. Blot hybridization revealed specific restriction patterns of L1 elements in vole genomes. Rehybridization of the genomic blot with a cloned 5′-end fragment revealed two major bands indicating the presence of two different L1 subfamilies. The copy numbers are estimated for different parts of M. kirgisorum L1 elements. Data also demonstrate that most vole L1 elements are truncated at the 5′-end; however, in contrast to mouse, the ORF1 copy number is higher in vole. A difference between the substitution rates of the ORF1 5′-region (approximately 330 nucleotides) and the rest of the L1 coding regions is revealed.

Journal

Mammalian GenomeSpringer Journals

Published: Jul 1, 1999

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