EsturgeonV1, Main, Curation, bibRecord, 001743

Localization of the repetitive telomeric sequence (TTAGGG)n in four sturgeon species.

Identifieur interne : 001743 ( Main/Curation ); précédent : 001742; suivant : 001744

Localization of the repetitive telomeric sequence (TTAGGG)n in four sturgeon species.

Auteurs : F. Fontana [Italie] ; M. Lanfredi ; M. Chicca ; V. Aiello ; R. Rossi

Source :

Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology [ 0967-3849 ] ; 1998.

RBID : pubmed:9688520

English descriptors

KwdEn :
- Animals, Base Sequence, Cells, Cultured, Chromosome Mapping, Conserved Sequence, DNA Probes, Diploidy, Evolution, Molecular, Fibroblasts, Fishes (genetics), In Situ Hybridization, Fluorescence, Karyotyping, Polyploidy, Repetitive Sequences, Nucleic Acid (genetics), Telomere (genetics).
MESH :
- chemical : DNA Probes.
- genetics : Fishes, Repetitive Sequences, Nucleic Acid, Telomere.
- Animals, Base Sequence, Cells, Cultured, Chromosome Mapping, Conserved Sequence, Diploidy, Evolution, Molecular, Fibroblasts, In Situ Hybridization, Fluorescence, Karyotyping, Polyploidy.

Abstract

We analysed the localization of the telomeric sequence (TTAGGG)n in four species of the genus Acipenser, namely A. naccarii (2n = 246 +/- 6), A. ruthenus (2n = 118 +/- 4), A. gueldenstaedti (2n = 256 +/- 6) and A. baeri (2n = 246 +/- 8). The hybridization signal was localized at the telomeres of all chromosomes in A. naccarii, A. ruthenus and A. baeri. In A. gueldenstaedti, two chromosomes were entirely marked with blocks of telomeric repeating sequences. The results are discussed in the light of their evolutionary inference.

PubMed: 9688520

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Le document en format XML

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<author><name sortKey="Fontana, F" sort="Fontana, F" uniqKey="Fontana F" first="F" last="Fontana">F. Fontana</name>
<affiliation wicri:level="1"><nlm:affiliation>Department of Biology, University of Ferrara, Italy. fon@dns.unife.it</nlm:affiliation>
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<wicri:regionArea>Department of Biology, University of Ferrara</wicri:regionArea>
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<author><name sortKey="Lanfredi, M" sort="Lanfredi, M" uniqKey="Lanfredi M" first="M" last="Lanfredi">M. Lanfredi</name>
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<author><name sortKey="Chicca, M" sort="Chicca, M" uniqKey="Chicca M" first="M" last="Chicca">M. Chicca</name>
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<author><name sortKey="Aiello, V" sort="Aiello, V" uniqKey="Aiello V" first="V" last="Aiello">V. Aiello</name>
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<author><name sortKey="Rossi, R" sort="Rossi, R" uniqKey="Rossi R" first="R" last="Rossi">R. Rossi</name>
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<affiliation wicri:level="1"><nlm:affiliation>Department of Biology, University of Ferrara, Italy. fon@dns.unife.it</nlm:affiliation>
<country xml:lang="fr">Italie</country>
<wicri:regionArea>Department of Biology, University of Ferrara</wicri:regionArea>
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<series><title level="j">Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology</title>
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<term>Conserved Sequence</term>
<term>DNA Probes</term>
<term>Diploidy</term>
<term>Evolution, Molecular</term>
<term>Fibroblasts</term>
<term>Fishes (genetics)</term>
<term>In Situ Hybridization, Fluorescence</term>
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<term>Polyploidy</term>
<term>Repetitive Sequences, Nucleic Acid (genetics)</term>
<term>Telomere (genetics)</term>
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<term>Repetitive Sequences, Nucleic Acid</term>
<term>Telomere</term>
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<keywords scheme="MESH" xml:lang="en"><term>Animals</term>
<term>Base Sequence</term>
<term>Cells, Cultured</term>
<term>Chromosome Mapping</term>
<term>Conserved Sequence</term>
<term>Diploidy</term>
<term>Evolution, Molecular</term>
<term>Fibroblasts</term>
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<front><div type="abstract" xml:lang="en">We analysed the localization of the telomeric sequence (TTAGGG)n in four species of the genus Acipenser, namely A. naccarii (2n = 246 +/- 6), A. ruthenus (2n = 118 +/- 4), A. gueldenstaedti (2n = 256 +/- 6) and A. baeri (2n = 246 +/- 8). The hybridization signal was localized at the telomeres of all chromosomes in A. naccarii, A. ruthenus and A. baeri. In A. gueldenstaedti, two chromosomes were entirely marked with blocks of telomeric repeating sequences. The results are discussed in the light of their evolutionary inference.</div>
</front>
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Localization of the repetitive telomeric sequence (TTAGGG)n in four sturgeon species.

Localization of the repetitive telomeric sequence (TTAGGG)n in four sturgeon species.

Source :

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

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Pour générer des pages wiki