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Updated: Dec 11, 2025

Isolation and Genome Analysis of Single Virions using 'Single Virus Genomics'
Published on: May 26, 2013
Detection of Modified Bases in Bacteriophage Genomic DNA
Yan-Jiun Lee1, Peter R Weigele2
1Research Department, New England Biolabs, Ipswich, MA, USA.
Abstract:
Collectively, the dsDNA tailed bacteriophages (Caudovirales) contain the largest chemical diversity of naturally occurring deoxynucleotides in DNA observed to date. The continuing discovery of new modifications in phages suggest many more are waiting to be found. Thus, methods for the observation and characterization of noncanonical nucleosides are timely. We present here protocols for extraction of genomic DNA from bacteriophage particles, enzymatic hydrolysis of DNA to free nucleosides, and examination of nucleoside composition by HPLC and mass spectrometry.
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