物理约束的神经普通微分方程模型,以发现和预测微生物社区动态
Jaron Thompson1,2, Bryce M Connors1,2, Victor M Zavala1
1Department of Chemical and Biological Engineering, University of Wisconsin-Madison, Madison, Wisconsin, United States of America.
我们开发了一种新的受物理限制的机器学习模型,神经物种调解器 (NSM),以准确预测微生物社区的动态和相互作用,改进现有的机械和机器学习方法.
科学领域:
- 微生物学 微生物学
- 计算生物学 计算生物学
- 系统生物学 系统生物学
背景情况:
- 微生物群落对于生态系统功能至关重要.
- 机械学和机器学习模型在预测微生物组动态方面存在局限性.
- 代谢物竞争和交叉养是微生物相互作用的关键驱动因素.
研究的目的:
- 开发一种灵活而准确的微生物社区动态模型.
- 克服传统机械学和机器学习模型的局限性.
- 提供对微生物组内的直接生物相互作用的见解.
主要方法:
- 开发了一种受物理限制的机器学习模型,命名为神经物种调解器 (NSM).
- 整合了代谢物动态的机械模型与机器学习组件.
- 在实验数据集上验证了NSM模型.
主要成果:
- 该NSM模型的准确性高于独立的机械学或机器学习模型.
- 通过NSM模型,生物相互作用的解释性得到了改善.
- 该模型成功捕获了微生物群落中的代谢物介导相互作用.
结论:
- 将神经网络嵌入到机械模型中可以提高预测性能.
- 国家微生物系统为了解和控制微生物群落提供了一个强大的工具.
- 这种混合方法改进了现有的微生物组预测建模框架.
更多相关视频
12:32Combining Fluidic Devices with Microscopy and Flow Cytometry to Study Microbial Transport in Porous Media Across Spatial Scales
Published on: November 25, 2020
09:57Characterizing Microbiome Dynamics – Flow Cytometry Based Workflows from Pure Cultures to Natural Communities
Published on: July 12, 2018
相关概念视频
Mechanistic Models: Compartment Models in Individual and Population Analysis
Model Approaches for Pharmacokinetic Data: Distributed Parameter Models
The distributed parameter models are specifically designed to account for variations and differences in some drug classes. This model is particularly useful for assessing regional concentrations of anticancer or...
Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
Microbial Growth Measurement: Indirect Methods
Pharmacokinetic Models: Comparison and Selection Criterion
Physiological models take a detailed approach by considering specific molecular processes. They can predict drug distribution, metabolism, and elimination changes, providing a comprehensive understanding of how drugs interact with the body.
Pharmacokinetic Models: Overview
There are three primary types of models: empirical, compartment, and physiological. Empirical models, with minimal...
