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Adaptive memory in insect immunity has been controversial. In this issue, Andino and co-workers propose that acquisition of viral sequences in the host genome gives rise to anti-sense, anti-viral piRNAs. Such sequences can be regarded as both a genomic archive of past infections and as an armour of potential heritable memory.

Original publication

DOI

10.1016/j.cub.2017.10.020

Type

Journal article

Journal

Curr Biol

Publication Date

20/11/2017

Volume

27

Pages

R1218 - R1220