Articles of Significant Interest in This Issue

The Mysterious Life of “Candidatus Patescibacteria” Ultrasmall-celled sediment bacteria in the phylum “Candidatus Patescibacteria” (or Candidate Phyla Radiation [CPR]) are globally abundant and likely symbionts. A metagenomic survey by Zhao et al. (e01409-22) shows that they are also widespread in marine sediments. Their ability to ferment organic compounds from their episymbiotic hosts may be key to their widespread presence.