通过机器学习模型进行微生物组数据分析:探索优化厨房废物堆肥系统的重要参与者.
Shang Ding1, Liyan Jiang1, Jiyuan Hu2
1College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, People's Republic of China.
Bioresource technology
|September 13, 2023
概括
机器学习模型识别了关键的微生物属,如Bacillus,用于优化厨房废物堆肥. 这种方法增强了分解,改善了堆肥质量,为生物处理优化提供了一种新方法.
科学领域:
- 微生物学 微生物学
- 环境科学 环境科学
- 数据科学数据科学数据科学
背景情况:
- 堆肥是厨房废物的重要生物处理方法,它依赖于微生物群落.
- 准确确定特定微生物在堆肥中的作用,仅仅使用传统的实验方法是具有挑战性的.
研究的目的:
- 利用机器学习模型来识别参与堆肥的关键微生物种类.
- 通过对微生物功能的数据驱动洞察来优化堆肥系统.
主要方法:
- 开发了一种新的微生物组预处理方法.
- 构建了堆叠机器学习模型,实现了大约0.8.8的R2.
- 使用SHAP (夏普利添加式扩张) 方法来确定微生物基因的意义.
主要成果:
- 在SHAP分析中,Bacillus,Acinetobacter,Thermobacillus,Pseudomonas,Psychrobacter和Thermobifida被确定为主要的微生物属 (Shapley值:3.841.24).
- 准备并测试了针对这些关键品种的微生物剂.
- 与对照组 (70.96) 相比,使用这些药物处理的堆肥系统的质量得分提高了 (76.06).
结论:
- 这项研究成功地使用机器学习来确定堆肥中的关键微生物参与者.
- 研究结果表明,针对已识别的关键品种可以提高废物分解和堆肥质量.
- 这项研究引入了一种创新策略,通过微生物洞察优化生物废物处理过程.
相关概念视频
Environmental Applications of Microorganisms
55
Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
55
Microorganisms in Agriculture and Food industry
68
Microorganisms play a crucial role in agriculture and the food industry, contributing to soil fertility, crop protection, and food production. Their functions range from nitrogen fixation and biopesticide production to fermentation and food preservation, making them indispensable to sustainable farming and food safety.Role in AgricultureNitrogen-fixing bacteria, such as Rhizobium (symbiotic) and Azotobacter (free-living), convert atmospheric nitrogen into ammonia through biological nitrogen...
68
Microbial Fermentation
61
Fermentation is a crucial anaerobic metabolic process that enables microbes to derive energy from sugar without relying on oxygen or an electron transport chain. This process is fundamental to various biological and industrial applications and is classified based on the metabolic products generated.Role of Pyruvate in FermentationPyruvate and its derivatives serve as key electron acceptors in fermentative pathways. The oxidation of NADH to regenerate NAD+ is essential for the continuation of...
61


