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Two distinct models account for short and long deletions within sequence repeats in Escherichia coli
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| Zeitschriftentitel: | Journal of Bacteriology |
|---|---|
| Personen und Körperschaften: | , , |
| In: | Journal of Bacteriology, 179, 1997, 20, S. 6512-6517 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Society for Microbiology
|
| Schlagwörter: |
| author_facet |
Schumacher, S Fuchs, R P Bichara, M Schumacher, S Fuchs, R P Bichara, M |
|---|---|
| author |
Schumacher, S Fuchs, R P Bichara, M |
| spellingShingle |
Schumacher, S Fuchs, R P Bichara, M Journal of Bacteriology Two distinct models account for short and long deletions within sequence repeats in Escherichia coli Molecular Biology Microbiology |
| author_sort |
schumacher, s |
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Schumacher, S Fuchs, R P Bichara, M 0021-9193 1098-5530 American Society for Microbiology Molecular Biology Microbiology http://dx.doi.org/10.1128/jb.179.20.6512-6517.1997 <jats:p>In Escherichia coli, (GpC)n sequences cloned into plasmid DNA molecules are deletion-prone with the occurrence of both short (<2 bp) and long (>2 bp) deletion events. These repetitive tracts can be stabilized by interrupting the strict monotony of the repetition with a variant dinucleotide sequence. The stabilization of short deletion events that is mediated by the variant sequence is completely lost in E. coli mismatch repair-deficient strains. In contrast, this repair pathway has no influence on the frequency of occurrence of long deletion events, even in sequences containing the variant repeat. These results lead us to propose two distinct models to account for short and long deletions within repetitive sequences in E. coli. Furthermore, this study reveals that the deletions occur preferentially at the end of the repeat sequence that is distal with respect to the origin of replication.</jats:p> Two distinct models account for short and long deletions within sequence repeats in Escherichia coli Journal of Bacteriology |
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Journal of Bacteriology |
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| title |
Two distinct models account for short and long deletions within sequence repeats in Escherichia coli |
| title_unstemmed |
Two distinct models account for short and long deletions within sequence repeats in Escherichia coli |
| title_full |
Two distinct models account for short and long deletions within sequence repeats in Escherichia coli |
| title_fullStr |
Two distinct models account for short and long deletions within sequence repeats in Escherichia coli |
| title_full_unstemmed |
Two distinct models account for short and long deletions within sequence repeats in Escherichia coli |
| title_short |
Two distinct models account for short and long deletions within sequence repeats in Escherichia coli |
| title_sort |
two distinct models account for short and long deletions within sequence repeats in escherichia coli |
| topic |
Molecular Biology Microbiology |
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http://dx.doi.org/10.1128/jb.179.20.6512-6517.1997 |
| publishDate |
1997 |
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6512-6517 |
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<jats:p>In Escherichia coli, (GpC)n sequences cloned into plasmid DNA molecules are deletion-prone with the occurrence of both short (<2 bp) and long (>2 bp) deletion events. These repetitive tracts can be stabilized by interrupting the strict monotony of the repetition with a variant dinucleotide sequence. The stabilization of short deletion events that is mediated by the variant sequence is completely lost in E. coli mismatch repair-deficient strains. In contrast, this repair pathway has no influence on the frequency of occurrence of long deletion events, even in sequences containing the variant repeat. These results lead us to propose two distinct models to account for short and long deletions within repetitive sequences in E. coli. Furthermore, this study reveals that the deletions occur preferentially at the end of the repeat sequence that is distal with respect to the origin of replication.</jats:p> |
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| description | <jats:p>In Escherichia coli, (GpC)n sequences cloned into plasmid DNA molecules are deletion-prone with the occurrence of both short (<2 bp) and long (>2 bp) deletion events. These repetitive tracts can be stabilized by interrupting the strict monotony of the repetition with a variant dinucleotide sequence. The stabilization of short deletion events that is mediated by the variant sequence is completely lost in E. coli mismatch repair-deficient strains. In contrast, this repair pathway has no influence on the frequency of occurrence of long deletion events, even in sequences containing the variant repeat. These results lead us to propose two distinct models to account for short and long deletions within repetitive sequences in E. coli. Furthermore, this study reveals that the deletions occur preferentially at the end of the repeat sequence that is distal with respect to the origin of replication.</jats:p> |
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| spelling | Schumacher, S Fuchs, R P Bichara, M 0021-9193 1098-5530 American Society for Microbiology Molecular Biology Microbiology http://dx.doi.org/10.1128/jb.179.20.6512-6517.1997 <jats:p>In Escherichia coli, (GpC)n sequences cloned into plasmid DNA molecules are deletion-prone with the occurrence of both short (<2 bp) and long (>2 bp) deletion events. These repetitive tracts can be stabilized by interrupting the strict monotony of the repetition with a variant dinucleotide sequence. The stabilization of short deletion events that is mediated by the variant sequence is completely lost in E. coli mismatch repair-deficient strains. In contrast, this repair pathway has no influence on the frequency of occurrence of long deletion events, even in sequences containing the variant repeat. These results lead us to propose two distinct models to account for short and long deletions within repetitive sequences in E. coli. Furthermore, this study reveals that the deletions occur preferentially at the end of the repeat sequence that is distal with respect to the origin of replication.</jats:p> Two distinct models account for short and long deletions within sequence repeats in Escherichia coli Journal of Bacteriology |
| spellingShingle | Schumacher, S, Fuchs, R P, Bichara, M, Journal of Bacteriology, Two distinct models account for short and long deletions within sequence repeats in Escherichia coli, Molecular Biology, Microbiology |
| title | Two distinct models account for short and long deletions within sequence repeats in Escherichia coli |
| title_full | Two distinct models account for short and long deletions within sequence repeats in Escherichia coli |
| title_fullStr | Two distinct models account for short and long deletions within sequence repeats in Escherichia coli |
| title_full_unstemmed | Two distinct models account for short and long deletions within sequence repeats in Escherichia coli |
| title_short | Two distinct models account for short and long deletions within sequence repeats in Escherichia coli |
| title_sort | two distinct models account for short and long deletions within sequence repeats in escherichia coli |
| title_unstemmed | Two distinct models account for short and long deletions within sequence repeats in Escherichia coli |
| topic | Molecular Biology, Microbiology |
| url | http://dx.doi.org/10.1128/jb.179.20.6512-6517.1997 |