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Genetic response to metabolic fluctuations: correlation between central carbon metabolism and DNA replication in Escherichia coli
BACKGROUND: Until now, the direct link between central carbon metabolism and DNA replication has been demonstrated only in Bacillus. subtilis. Therefore, we asked if this is a specific phenomenon, characteristic for this bacterium and perhaps for its close relatives, or a more general biological rul...
Autores principales: | , , , , |
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Formato: | Texto |
Lenguaje: | English |
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BioMed Central
2011
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3080795/ https://www.ncbi.nlm.nih.gov/pubmed/21453533 http://dx.doi.org/10.1186/1475-2859-10-19 |
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author | Maciąg, Monika Nowicki, Dariusz Janniere, Laurent Szalewska-Pałasz, Agnieszka Węgrzyn, Grzegorz |
author_facet | Maciąg, Monika Nowicki, Dariusz Janniere, Laurent Szalewska-Pałasz, Agnieszka Węgrzyn, Grzegorz |
author_sort | Maciąg, Monika |
collection | PubMed |
description | BACKGROUND: Until now, the direct link between central carbon metabolism and DNA replication has been demonstrated only in Bacillus. subtilis. Therefore, we asked if this is a specific phenomenon, characteristic for this bacterium and perhaps for its close relatives, or a more general biological rule. RESULTS: We found that temperature-sensitivity of mutants in particular genes coding for replication proteins could be suppressed by deletions of certain genes coding for enzymes of the central carbon metabolism. Namely, the effects of dnaA46(ts) mutation could be suppressed by dysfunction of pta or ackA, effects of dnaB(ts) by dysfunction of pgi or pta, effects of dnaE486(ts) by dysfunction of tktB, effects of dnaG(ts) by dysfunction of gpmA, pta or ackA, and effects of dnaN159(ts) by dysfunction of pta or ackA. The observed suppression effects were not caused by a decrease in bacterial growth rate. CONCLUSIONS: The genetic correlation exists between central carbon metabolism and DNA replication in the model Gram-negative bacterium, E. coli. This link exists at the steps of initiation and elongation of DNA replication, indicating the important global correlation between metabolic status of the cell and the events leading to cell reproduction. |
format | Text |
id | pubmed-3080795 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2011 |
publisher | BioMed Central |
record_format | MEDLINE/PubMed |
spelling | pubmed-30807952011-04-22 Genetic response to metabolic fluctuations: correlation between central carbon metabolism and DNA replication in Escherichia coli Maciąg, Monika Nowicki, Dariusz Janniere, Laurent Szalewska-Pałasz, Agnieszka Węgrzyn, Grzegorz Microb Cell Fact Research BACKGROUND: Until now, the direct link between central carbon metabolism and DNA replication has been demonstrated only in Bacillus. subtilis. Therefore, we asked if this is a specific phenomenon, characteristic for this bacterium and perhaps for its close relatives, or a more general biological rule. RESULTS: We found that temperature-sensitivity of mutants in particular genes coding for replication proteins could be suppressed by deletions of certain genes coding for enzymes of the central carbon metabolism. Namely, the effects of dnaA46(ts) mutation could be suppressed by dysfunction of pta or ackA, effects of dnaB(ts) by dysfunction of pgi or pta, effects of dnaE486(ts) by dysfunction of tktB, effects of dnaG(ts) by dysfunction of gpmA, pta or ackA, and effects of dnaN159(ts) by dysfunction of pta or ackA. The observed suppression effects were not caused by a decrease in bacterial growth rate. CONCLUSIONS: The genetic correlation exists between central carbon metabolism and DNA replication in the model Gram-negative bacterium, E. coli. This link exists at the steps of initiation and elongation of DNA replication, indicating the important global correlation between metabolic status of the cell and the events leading to cell reproduction. BioMed Central 2011-03-31 /pmc/articles/PMC3080795/ /pubmed/21453533 http://dx.doi.org/10.1186/1475-2859-10-19 Text en Copyright ©2011 Maciąag et al; licensee BioMed Central Ltd. http://creativecommons.org/licenses/by/2.0 This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. |
spellingShingle | Research Maciąg, Monika Nowicki, Dariusz Janniere, Laurent Szalewska-Pałasz, Agnieszka Węgrzyn, Grzegorz Genetic response to metabolic fluctuations: correlation between central carbon metabolism and DNA replication in Escherichia coli |
title | Genetic response to metabolic fluctuations: correlation between central carbon metabolism and DNA replication in Escherichia coli |
title_full | Genetic response to metabolic fluctuations: correlation between central carbon metabolism and DNA replication in Escherichia coli |
title_fullStr | Genetic response to metabolic fluctuations: correlation between central carbon metabolism and DNA replication in Escherichia coli |
title_full_unstemmed | Genetic response to metabolic fluctuations: correlation between central carbon metabolism and DNA replication in Escherichia coli |
title_short | Genetic response to metabolic fluctuations: correlation between central carbon metabolism and DNA replication in Escherichia coli |
title_sort | genetic response to metabolic fluctuations: correlation between central carbon metabolism and dna replication in escherichia coli |
topic | Research |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3080795/ https://www.ncbi.nlm.nih.gov/pubmed/21453533 http://dx.doi.org/10.1186/1475-2859-10-19 |
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