Noise-driven unlimited population growth
نویسندگان
چکیده
منابع مشابه
Noise-driven unlimited population growth.
Demographic noise causes unlimited population growth in a broad class of models which, without noise, would predict a stable finite population. We study this effect on the example of a stochastic birth-death model which includes immigration, binary reproduction, and death. The unlimited population growth proceeds as an exponentially slow decay of a metastable probability distribution (MPD) of t...
متن کاملar X iv : 0 80 8 . 38 54 v 2 [ q - bi o . PE ] 2 9 O ct 2 00 8 Noise driven unlimited population growth
Demographic noise causes unlimited population growth in a broad class of models which, without noise, would predict a stable finite population. We study this effect on the example of a stochastic birth-death model which includes immigration, binary reproduction and death. The unlimited population growth proceeds as an exponentially slow decay of a metastable probability distribution (MPD) of th...
متن کاملNoise-Driven Stem Cell and Progenitor Population Dynamics
BACKGROUND The balance between maintenance of the stem cell state and terminal differentiation is influenced by the cellular environment. The switching between these states has long been understood as a transition between attractor states of a molecular network. Herein, stochastic fluctuations are either suppressed or can trigger the transition, but they do not actually determine the attractor ...
متن کاملNoise-driven growth rate gain in clonal cellular populations.
Cellular populations in both nature and the laboratory are composed of phenotypically heterogeneous individuals that compete with each other resulting in complex population dynamics. Predicting population growth characteristics based on knowledge of heterogeneous single-cell dynamics remains challenging. By observing groups of cells for hundreds of generations at single-cell resolution, we reve...
متن کاملA noise-driven mechanism for adaptive growth rate regulation
How can a microorganism adapt to a variety of environmental conditions despite there exists a limited number of signal transduction mechanisms? We show that for any growing cells whose gene expression fluctuate stochastically, adaptive cellular state is inevitably selected by noise, even without specific signal transduction network for it. In general, changes in protein concentration in a cell ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Physical Review E
سال: 2008
ISSN: 1539-3755,1550-2376
DOI: 10.1103/physreve.78.060103