Spatiotemporal development of growth and death zones in expanding bacterial colonies driven by emergent nutrient dynamics
H. Kannan, P. Sun, T. Caglar, P. Yao, B. R. Taylor, K. Sahu, D. Ge, M. Mori, M. Warren, D. Kleinfeld, J. Dong, B. Li, T. Hwa
This study shows that bacterial colony expansion is driven by mechanical constraints and nutrient gradients, with cell death occurring in a distinct zone due to glucose depletion and anaerobiosis.
bioRxiv · Aug 27, 2023 · PreprintMicrobiology