HAL Id: inserm-00390682
https://www.hal.inserm.fr/inserm-00390682
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N6-methyladenine: the other methylated base of DNA.
David Ratel, Jean-Luc Ravanat, François Berger, Didier Wion
To cite this version:
David Ratel, Jean-Luc Ravanat, François Berger, Didier Wion. N6-methyladenine: the other methy-lated base of DNA.. BioEssays, Wiley-VCH Verlag, 2006, 28 (3), pp.309-15. �10.1002/bies.20342�. �inserm-00390682�
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Eucarya
Archaea
Eubacteria
Euryarchaeota Methanobacteriales Mycobacteria 0 , Cyanobacteria Proteobacteria EnterobacterialesIndirect evidence (restriction enzyme digestion) Direct evidence (chromatography, mass spectrometry)
" myxomycetes Animals Protista Slimemolds - mouse - rat vertebrates - mosquito Arthropoda Ciliates - Chlamydomonas reinhardi - Oxytricha fallax - Paramecia aurelia - Tetrahymena thermophila - Tetrahymena pyriformis - Physarum flavicomum Mycoplasma Caulobacter Acholeplasma - arginini - capricolum - hyorhinis - orale - laidlawii - smegmatis - tuberculosis - bacteroides - E. Coli - Arabidopsis thaliana - Maize - Rice - Wheat Viridiplantae Plants Halobacteriales - saccharovorum - sodomense - trapanicum - sp. Methanomicrobiales - Methanospirillum - Methanolobus - Methanogenium - bryantii - sp. FR2 - formicicum
) " !% $
m6A m6A m6A m6A m6A m6A
m6A m6A m6A
T G Replication A B G C
m6A m6A m6A m6A m6A GCm6A
Methyl-directed mismatch repair
D
C
Bacterial virulence
transcriptional regulation through methylation of rare specific regulatory element(s)
functional interaction with m5C mismatch repair
transposon motility chromosome compaction immortal DNA strand imprinting mitochondrial genome imprinting
viral DNA imprinting prior to degradation What a few hundred m6A could do
in eukaryotic cells DNAs: Restriction-modification systems m6A A & ' ' () * 0= 2 8 7 2 8 , 8 2 ,7 0 >( 7 2 25 8 , ?72 :( ( 5 8 1 5( 0 7 0 2 (7 8 :( ( ? ( 2 ( ( ?72 5 , 0 8 2 : ?72 < = = ! 2 (7 2 ( 7 2 (7 : 7 7 ( ? 25 2 7 0 5 >( 2 ( , 8 ( 2 (7 2 2 ( 5 :( ( 2 9 ( : 7 7 ( ? 7 &=
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