期刊
GIGASCIENCE
卷 11, 期 -, 页码 -出版社
OXFORD UNIV PRESS
DOI: 10.1093/gigascience/giac051
关键词
Chaste; biofilms; microbial communities
资金
- UK's Biotechnology and Biological Sciences Research Council [BB/T010150/1, BB/R016925/1]
- Medical Research Council [EP/L015374/1]
- Gordon and Betty Moore Foundation [GBMF9200]
- UK's Engineering and Physical Sciences Research Council
In this study, the authors introduce ChemChaste, an extension that enables spatial simulation of multicellular and bulk biochemistry. ChemChaste allows for the simulation of an arbitrary number of spatially diffusing chemicals, spatially heterogeneous chemical diffusion coefficients, and the inclusion of both bulk and intracellular biochemical reactions and their coupling. ChemChaste also introduces a file-based interface for defining parameters without direct interaction with Chaste's core C++ code.
Background Spatial organization plays an important role in the function of many biological systems, from cell fate specification in animal development to multistep metabolic conversions in microbial communities. The study of such systems benefits from the use of spatially explicit computational models that combine a discrete description of cells with a continuum description of one or more chemicals diffusing within a surrounding bulk medium. These models allow the in silico testing and refinement of mechanistic hypotheses. However, most existing models of this type do not account for concurrent bulk and intracellular biochemical reactions and their possible coupling. Conclusions Here, we describe ChemChaste, an extension for the open-source C++ computational biology library Chaste. ChemChaste enables the spatial simulation of both multicellular and bulk biochemistry by expanding on Chaste's existing capabilities. In particular, ChemChaste enables (i) simulation of an arbitrary number of spatially diffusing chemicals, (ii) spatially heterogeneous chemical diffusion coefficients, and (iii) inclusion of both bulk and intracellular biochemical reactions and their coupling. ChemChaste also introduces a file-based interface that allows users to define the parameters relating to these functional features without the need to interact directly with Chaste's core C++ code. We describe ChemChaste and demonstrate its functionality using a selection of chemical and biochemical exemplars, with a focus on demonstrating increased ability in modeling bulk chemical reactions and their coupling with intracellular reactions. Availability and implementation ChemChaste version 1.0 is a free, open-source C++ library, available via GitHub at https://github.com/OSS-Lab/ChemChaste under the BSD license, on the Zenodo archive at zendodo doi, as well as on BioTools (biotools:chemchaste) and SciCrunch (RRID:SCR022208) databases.
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