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摘要翻译：
大肠杆菌通过两种固定的运动向高趋化剂浓度的区域移动：“奔跑”，它以接近直线的方式运动；“翻滚”，它不前进，而是随机改变方向。每次移动的持续时间是随机的，取决于最近经历的趋化剂浓度。我们将这种随机行为与细菌种群的稳态密度联系起来，并导出后者作为趋化剂浓度的函数。与早期治疗相比，这里我们解释了时间相关性和可变翻滚持续时间的影响。一系列行为的获得，微妙地依赖于系统的几个方面--记忆，相关性，尤其是翻滚随机。
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英文标题：
《Steady-State Chemotactic Response in E. coli》
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作者：
Yariv Kafri and Rava Azeredo da Silveira
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最新提交年份：
2007
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分类信息：
一级分类：Quantitative Biology 数量生物学
二级分类：Cell Behavior 细胞行为
分类描述：Cell-cell signaling and interaction; morphogenesis and development; apoptosis; bacterial conjugation; viral-host interaction; immunology
细胞-细胞信号传导及相互作用；形态发生和发育；细胞凋亡；细菌接合；病毒-宿主相互作用；免疫学
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一级分类：Physics 物理学
二级分类：Statistical Mechanics 统计力学
分类描述：Phase transitions, thermodynamics, field theory, non-equilibrium phenomena, renormalization group and scaling, integrable models, turbulence
相变，热力学，场论，非平衡现象，重整化群和标度，可积模型，湍流
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一级分类：Physics 物理学
二级分类：Biological Physics 生物物理学
分类描述：Molecular biophysics, cellular biophysics, neurological biophysics, membrane biophysics, single-molecule biophysics, ecological biophysics, quantum phenomena in biological systems (quantum biophysics), theoretical biophysics, molecular dynamics/modeling and simulation, game theory, biomechanics, bioinformatics, microorganisms, virology, evolution, biophysical methods.
分子生物物理、细胞生物物理、神经生物物理、膜生物物理、单分子生物物理、生态生物物理、生物系统中的量子现象（量子生物物理）、理论生物物理、分子动力学/建模与模拟、博弈论、生物力学、生物信息学、微生物、病毒学、进化论、生物物理方法。
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一级分类：Quantitative Biology 数量生物学
二级分类：Quantitative Methods 定量方法
分类描述：All experimental, numerical, statistical and mathematical contributions of value to biology
对生物学价值的所有实验、数值、统计和数学贡献
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英文摘要：
The bacterium E. coli maneuvers itself to regions with high chemoattractant concentrations by performing two stereotypical moves: `runs', in which it moves in near straight lines, and `tumbles', in which it does not advance but changes direction randomly. The duration of each move is stochastic and depends upon the chemoattractant concentration experienced in the recent past. We relate this stochastic behavior to the steady-state density of a bacterium population, and we derive the latter as a function of chemoattractant concentration. In contrast to earlier treatments, here we account for the effects of temporal correlations and variable tumbling durations. A range of behaviors obtains, that depends subtly upon several aspects of the system - memory, correlation, and tumbling stochasticity in particular.
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PDF链接：
https://arxiv.org/pdf/710.4625
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