Science
Plasmid, Virus or Other? DNA ‘Borgs’ Blur Boundaries. – Quanta Magazine
Scientists have reported large DNA structures in some archaea that defy easy categorization.

When the microbiologist Jillian Banfield and her colleagues started combing through samples of mud from wetland environments three years ago, they had a specific goal in mind: to recover and analyze fragments of DNA from large bacteria-killing viruses….
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