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Size distribution of DNA associated with extracellular vesicles from marine bacteria. Fragment size distribution of double-stranded DNA extracted from extracellular vesicles of cultured isolates of Salinicola (black), Alteromonas (orange) and Thalassospira (violet) compared with data for Prochlorococcus (green; Biller et al., 2014). Peaks for all strains at 35 bp and 10 kb are Bioanalyzer internal standards.
