期刊
TRENDS IN BIOTECHNOLOGY
卷 25, 期 3, 页码 99-104出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tibtech.2007.01.006
关键词
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AdoMet-dependent methyltransferases catalyze highly specific methyl group transfers from the ubiquitous cofactor S-adenosyl-L-methionine to a multitude of biological targets in the cell. Recently, DNA methyltransferases have been used for the sequence-specific, covalent attachment of larger chemical groups to plasmid and bacteriophage DNA using two classes of synthetic AdoMet analogs. These synthetic cofactors, in combination with the myriad AdoMet-dependent methyltransferases available in nature, provide new molecular tools for precise, targeted functionalization and labeling of large natural DNAs and, in all likelihood, RNAs and proteins. This paves the way for numerous novel applications in the functional analysis of biological methylation, biotechnology and medical diagnostics.
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