The War Within

As retrotransposons arise and start jumping around a host genome, the host develops ways to fend them off, sparking a sort of "evolutionary arms race," as researchers led by University of California, Santa Cruz's David Haussler put it.

Haussler and his colleagues report in Nature that they've uncovered two KRAB zinc-finger protein-encoding genes that have evolved in the human genome to deal with the retrotransposon menace.

To read the full story....

Register for Free.

...and receive Daily News bulletins.

Already have an account?
Login Now.

The New York Times writes about the appearance of mosaicism in healthy people.

In PNAS this week: insecticide resistance patterns Anopheles gambiae mosquito, transcriptome patterns in Pseudomonas aeruginosa during infection, and more.

Magdalena Skipper, the incoming editor-in-chief of Nature, speaks with NPR's Weekend Edition Sunday.

Genetic genealogy has led to an arrest in another cold case, dating back to 1987.