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  Beta-heterochromatin in mammals: evidence from studies in Microtus agrestis based on the extensive accumulation of L1 and non-L1 retroposons in the heterochromatin

Neitzel, H., Kalscheuer, V., Henschel, S., Digweed, M., & Sperling, K. (1998). Beta-heterochromatin in mammals: evidence from studies in Microtus agrestis based on the extensive accumulation of L1 and non-L1 retroposons in the heterochromatin. Cytogenet Cell Genet, 80(1-4), 165-72. doi:10.1159/000014974.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0002-E01F-F Version Permalink: http://hdl.handle.net/21.11116/0000-0002-E020-C
Genre: Journal Article

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Neitzel, H.1, Author
Kalscheuer, V.1, Author
Henschel, S.1, Author
Digweed, M.1, Author
Sperling, K.1, Author
Affiliations:
1Max Planck Society, ou_persistent13              

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Free keywords: Animals Arvicolinae/*genetics Base Sequence Blotting, Northern Cell Line Chromosome Mapping *Heterochromatin Mammals Molecular Sequence Data *Retroelements Sequence Homology, Nucleic Acid
 Abstract: The heterochromatin of Microtus agrestis contains two retroposons, one L1 and one non-L1, which were cloned and analyzed with respect to their structure and genomic organization. These sequences have accumulated in the heterochromatin and exhibit a complex interspersed organization of relatively recent origin. In contrast, the pericentromeric heterochromatin is composed of simple, repetitive, tandemly organized elements. From the underlying sequences, the dinucleotide frequencies, the sequence organization, and its transcriptional activity, the heterochromatin of M. agrestis strongly resembles the beta-heterochromatin first described by Heitz and well characterized in Drosophila. This is evidence that this class of heterochromatin, presumably with its own distinct physiological and functional role, is indeed also present in the mammalian genome.

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 Dates: 1998
 Publication Status: Published in print
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 Rev. Method: -
 Identifiers: Other: 9678352
DOI: 10.1159/000014974
ISSN: 0301-0171 (Print) 0301-0171 (Linking)
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Title: Cytogenet Cell Genet
  Alternative Title : Cytogenetics and cell genetics
Source Genre: Journal
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Pages: - Volume / Issue: 80 (1-4) Sequence Number: - Start / End Page: 165 - 72 Identifier: -