Abstract
Predatory microbes like Bdellovibrio feed on other bacteria by invading their periplasm, replicating within the bacterial shell that is now a feeding trough, and ultimately lysing the prey and disseminating. A new study by E. J. Banks, C. Lambert, S. Mason, J. Tyson, et al. (J Bacteriol 205:e00475-22, 2023, https://doi.org/10.1128/jb.00475-22) highlights the great lengths to which Bdellovibrio must go to affect host cell remodeling: A secreted cell wall lytic enzyme with specificity for the host septal cell wall maximizes the size of the attacker's meal and the size of the restaurant in which it can spread out. This study provides novel insights into bacterial predator-prey dynamics and showcases elegant co-option of an endogenous cell wall turnover enzyme refurbished as a warhead to enhance prey consumption.
Published Version
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