Both describe cell size feedback control through phase-specific mechanisms (sizer/timer/adder). Extrinsic (population-density) vs intrinsic (size-deviation) feedback loops. Trade-offs between control strategies. Perfect structural isomorphism across different cell types.
Cell size determined by control mechanisms across cell cycle phases (sizer, timer, adder strategies). Division kernel and phase-specific control govern size distribution. Population-density-dependent regulation limits total cell numbers (extrinsic feedback). Cell-size-dependent regulation suppresses size variability (intrinsic feedback). Trade-off between extrinsic and intrinsic control.
view paper→Cell size feedback operates through size deviations (difference between absolute size and cell-cycle progression). Feedback from size to growth rate and cycle timing creates coupled dynamics. In linear regime, dynamics reduce to stochastically forced harmonic oscillator. Cell-cycle timing and intrinsic fluctuations jointly shape size control strategy. Mechanistic feedback structure may differ from apparent coarse-grained correlations due to noise integration.
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