1.
J Bacteriol
; 205(12): e0035723, 2023 12 19.
Artículo
en Inglés
| MEDLINE
| ID: mdl-37971272
RESUMEN
IMPORTANCE: Bacteria use weapons to deliver effectors into target cells. One of these weapons, the type VI secretion system (T6SS), assembles a contractile tail acting as a spring to propel a toxin-loaded needle. Due to its size and mechanism of action, the T6SS was intuitively thought to be energetically costly. Here, using a combination of mutants and growth measurements in liquid medium, on plates, and in competition experiments, we show that the T6SS does not entail a growth cost to enteroaggregative Escherichia coli.