All known RNA-silencing effector complexes contain a member of the Argonaute family that binds to small non-coding RNAs: the Piwi-protein subfamily binds to Piwi-interacting (pi)RNAs. These small ...

Czech and Moravian winemakers are increasingly planting so-called PIWI grape varieties—crossbreeds resistant to fungal diseases. In 2024, they added 44 hectares of new PIWI vineyards, bringing the ...

In fact, this action – called the Piwi-piRNA pathway – already occurs naturally in certain cells that don’t age, such as ...