Volume 594 Issue 7861



News Features

News & Views

Host ubiquitin protein tags lipid to fight bacteria p.28

Host cells battle invading bacteria using a degradation process facilitated by the protein ubiquitin. The discovery of the host enzyme responsible and its bacterial target reveals that this process defies convention.

doi: 10.1038/d41586-021-01267-6

Hunting the strongest accelerators in our Galaxy p.30

Twelve candidates for the most powerful astrophysical particle accelerators in the Milky Way have been detected. This advance will help to uncover the nature of these exotic objects.

doi: 10.1038/d41586-021-01377-1