This Week in PNAS

In work appearing in this week's edition of PNAS, Tel Aviv University's Ronen Borenstein and Niza Frenkel describe single-step production of viral BACs of the 160-kb human herpes virus 6A. Their method of cloning, they say, is "independent of intracellular recombinations and DNA packaging constraints" and is "especially attractive for viruses that replicate inefficiently and for viruses propagated in suspension cells."

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Gene drives might run into biological resistance, the Economist reports.

Forensic experts exhumed painter Salvador Dalí's body to collect DNA for a paternity test, CBS News reports.

Yale Environment 360 writes that synthetic and conservation biologists aren't always on the same wavelength, but they are trying to reach an understanding.

In Science this week: full CRISPR locus integration complex structure, and more.