What question did this study set out to answer?

To identify the theoretical principles and mathematical conditions governing how single bacterial cells maintain stable size distributions across generations despite stochastic growth and division.

November 10, 2025Physical review. E

Intergenerational scaling law determines the precision kinematics of stochastic individual-cell-size homeostasis

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To identify the theoretical principles and mathematical conditions governing how single bacterial cells maintain stable size distributions across generations despite stochastic growth and division.
Constructed an exact, analytic, parameter-free theoretical framework based on memory-free Markovian dynamics and an empirical intergenerational scaling law.
Tested and validated the predicted intergenerational stochastic map against published single-cell tracking data from Caulobacter crescentus, Escherichia coli, and Bacillus subtilis.
Derived a parameter-free stochastic map that analytically predicts cell-size homeostasis kinematics, matching experimental single-cell data across multiple bacterial species.
Identified an exact analytic necessary and sufficient condition required to establish and preserve stochastic homeostasis, which is more stringent than prior heuristic quasideterministic thresholds.

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Implication

Theoretical study reveals an intergenerational scaling law governing stochastic cell-size homeostasis across bacteria, highlighting exact mathematical conditions necessary for stable cell size.

Cite This Study

Joshi et al. (2025) studied this question.

synapsesocial.com/papers/6a7cecfb97a749a783cd8b6a https://doi.org/10.1103/vfhg-gksh

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Implication

Theoretical study reveals an intergenerational scaling law governing stochastic cell-size homeostasis across bacteria, highlighting exact mathematical conditions necessary for stable cell size.

Intergenerational scaling law determines the precision kinematics of stochastic individual-cell-size homeostasis

Key Points

Discussion

Implication

Cite This Study

Intergenerational scaling law determines the precision kinematics of stochastic individual-cell-size homeostasis

Key Points

Discussion

Implication

Cite This Study