41% of Gram-negative bacteria encode a Type Six Secretion System
C. Zhang, H. Hassler, W. Ratcliff, Lauren Speare, B. K. Hammer
The paper quantifies T6SS prevalence in Gram-negative bacteria using genome analysis and finds it is present in 41% of well-sampled genera.
bioRxiv · Nov 9, 2026 · PreprintMicrobiology