Epigenetic memory via concordant DNA methylation is inversely correlated to developmental potential of mammalian cells.
In storing and transmitting epigenetic information, organisms must balance the need to maintain information about past conditions with the capacity to respond to information in their current and future environments. Some of this information is encoded by DNA methylation, which can be transmitted wit...
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2017-11-01
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doaj-b967721753764a2fae9f6e07de2743872020-11-25T00:53:56ZengPublic Library of Science (PLoS)PLoS Genetics1553-73901553-74042017-11-011311e100706010.1371/journal.pgen.1007060Epigenetic memory via concordant DNA methylation is inversely correlated to developmental potential of mammalian cells.Minseung ChoiDiane P GenereuxJamie GoodsonHaneen Al-AzzawiShannon Q AllainNoah SimonStan PalasekCarol B WareChris CavanaughDaniel G MillerWinslow C JohnsonKevin D SinclairReinhard StögerCharles D LairdIn storing and transmitting epigenetic information, organisms must balance the need to maintain information about past conditions with the capacity to respond to information in their current and future environments. Some of this information is encoded by DNA methylation, which can be transmitted with variable fidelity from parent to daughter strand. High fidelity confers strong pattern matching between the strands of individual DNA molecules and thus pattern stability over rounds of DNA replication; lower fidelity confers reduced pattern matching, and thus greater flexibility. Here, we present a new conceptual framework, Ratio of Concordance Preference (RCP), that uses double-stranded methylation data to quantify the flexibility and stability of the system that gave rise to a given set of patterns. We find that differentiated mammalian cells operate with high DNA methylation stability, consistent with earlier reports. Stem cells in culture and in embryos, in contrast, operate with reduced, albeit significant, methylation stability. We conclude that preference for concordant DNA methylation is a consistent mode of information transfer, and thus provides epigenetic stability across cell divisions, even in stem cells and those undergoing developmental transitions. Broader application of our RCP framework will permit comparison of epigenetic-information systems across cells, developmental stages, and organisms whose methylation machineries differ substantially or are not yet well understood.http://europepmc.org/articles/PMC5690686?pdf=render |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Minseung Choi Diane P Genereux Jamie Goodson Haneen Al-Azzawi Shannon Q Allain Noah Simon Stan Palasek Carol B Ware Chris Cavanaugh Daniel G Miller Winslow C Johnson Kevin D Sinclair Reinhard Stöger Charles D Laird |
spellingShingle |
Minseung Choi Diane P Genereux Jamie Goodson Haneen Al-Azzawi Shannon Q Allain Noah Simon Stan Palasek Carol B Ware Chris Cavanaugh Daniel G Miller Winslow C Johnson Kevin D Sinclair Reinhard Stöger Charles D Laird Epigenetic memory via concordant DNA methylation is inversely correlated to developmental potential of mammalian cells. PLoS Genetics |
author_facet |
Minseung Choi Diane P Genereux Jamie Goodson Haneen Al-Azzawi Shannon Q Allain Noah Simon Stan Palasek Carol B Ware Chris Cavanaugh Daniel G Miller Winslow C Johnson Kevin D Sinclair Reinhard Stöger Charles D Laird |
author_sort |
Minseung Choi |
title |
Epigenetic memory via concordant DNA methylation is inversely correlated to developmental potential of mammalian cells. |
title_short |
Epigenetic memory via concordant DNA methylation is inversely correlated to developmental potential of mammalian cells. |
title_full |
Epigenetic memory via concordant DNA methylation is inversely correlated to developmental potential of mammalian cells. |
title_fullStr |
Epigenetic memory via concordant DNA methylation is inversely correlated to developmental potential of mammalian cells. |
title_full_unstemmed |
Epigenetic memory via concordant DNA methylation is inversely correlated to developmental potential of mammalian cells. |
title_sort |
epigenetic memory via concordant dna methylation is inversely correlated to developmental potential of mammalian cells. |
publisher |
Public Library of Science (PLoS) |
series |
PLoS Genetics |
issn |
1553-7390 1553-7404 |
publishDate |
2017-11-01 |
description |
In storing and transmitting epigenetic information, organisms must balance the need to maintain information about past conditions with the capacity to respond to information in their current and future environments. Some of this information is encoded by DNA methylation, which can be transmitted with variable fidelity from parent to daughter strand. High fidelity confers strong pattern matching between the strands of individual DNA molecules and thus pattern stability over rounds of DNA replication; lower fidelity confers reduced pattern matching, and thus greater flexibility. Here, we present a new conceptual framework, Ratio of Concordance Preference (RCP), that uses double-stranded methylation data to quantify the flexibility and stability of the system that gave rise to a given set of patterns. We find that differentiated mammalian cells operate with high DNA methylation stability, consistent with earlier reports. Stem cells in culture and in embryos, in contrast, operate with reduced, albeit significant, methylation stability. We conclude that preference for concordant DNA methylation is a consistent mode of information transfer, and thus provides epigenetic stability across cell divisions, even in stem cells and those undergoing developmental transitions. Broader application of our RCP framework will permit comparison of epigenetic-information systems across cells, developmental stages, and organisms whose methylation machineries differ substantially or are not yet well understood. |
url |
http://europepmc.org/articles/PMC5690686?pdf=render |
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