A spatiotemporal model of polarity and spatial gradient establishment in caulobacter crescentus

A spatiotemporal model of polarity and spatial gradient establishment in caulobacter crescentus
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新月柄杆菌极性和空间梯度建立的时空模型

DOI:
10.1145/3459930.3469539
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发表时间:
2021
期刊:
and Health Informatics
影响因子:
--
通讯作者:
Cao, Yang
Cao, Yang
中科院分区:
--
文献类型:
--
作者:
Xu, Chunrui;Cao, Yang

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细菌细胞在空间和时间上具有复杂的细胞内蛋白质组织,这允许应激反应、信号转导、细胞分化和形态发生。空间定位的机制及其对细胞发育和适应性的贡献尚未完全了解。在这项工作中,我们使用的细菌模式生物,Caulobacter cescentus,调查极性和不对称的建立。我们应用一个反应扩散模型来模拟支架蛋白PodJ和PopZ的时空动力学,它们解释了C.此外,我们使用这个数学模型来研究关键激酶DivJ和磷酸酶PleC的非均匀分布,并计算出它们对响应调节因子DivK和CtrA的空间梯度的贡献。
Bacterial cells have sophisticated intracellular organization of proteins in space and time, which allows for stress response, signal transduction, cell differentiation and morphogenesis. The mechanisms of spatial localization and their contributions to cell development and adaptability are not fully understood. In this work, we use the bacterial model organism,Caulobacter cescentus, to investigate the establishment of polarity and asymmetry. We apply a reaction-diffusion model to simulating the spatiotemporal dynamics of scaffolding proteins PodJ and PopZ, which account for the formation of distinct poles inC. crescentus.Additionally, we use this mathematical model to investigate the nonuniform distribution of key kinase DivJ and phosphatase PleC and figure out their contributions to the spatial gradient of response regulators DivK and CtrA.
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