Abstract
We used amplified fragment length polymorphisms (AFLP) to analyze the stability of DNA methylation throughout Arabidopsis development. AFLP can detect genome-wide changes in cytosine methylation produced by DNA demethylation agents, such as 5-azacytidine, or specific mutations at the DDM1 locus. In both cases, cytosine demethylation is associated with a general increase in the presence of amplified fragments. Using this approach, we followed DNA methylation at methylation sensitive restriction sites throughout Arabidopsis development. The results show a progressive DNA methylation trend from cotyledons to vegetative organs to reproductive organs.
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Abbreviations
- AFLP :
-
Amplified fragment length polymorphism
- 5-azaC :
-
5-azacytidine
- 5-mC :
-
5-methylcytosine
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Acknowledgements
L. Ruiz-Garcia and M.-T. Cervera contributed equally to this work. M.-T. C. was funded by a MEC contract. This research was funded by MCYT Grant# BIO2001-3891-CO2-01.
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Ruiz-García, L., Cervera, M.T. & Martínez-Zapater, J.M. DNA methylation increases throughout Arabidopsis development. Planta 222, 301–306 (2005). https://doi.org/10.1007/s00425-005-1524-6
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DOI: https://doi.org/10.1007/s00425-005-1524-6