声明
Chapter 1. Introduction
1.1 Topic Background and Significance
1.2.1 Previous studies
1.3 The main content of study
Chapter 2. Screening and Detection of non-O157 strains
2.1 Antibiotic labeling of non-O157:H7
2.1.1 Test materials
2.1.2 Test method
2.1.3 Analysis of results
2.2 Growth curve of non-O157 strains
2.2.1 Test materials
2.2.2 Test method
2.2.3 Results analysis
2.3 Extraction of genome DNA
2.3.1 Bioinformatics analysis process
2.3.2 Study site
2.3.3 Bacterial strains and reagents
2.3.4 Study material
2.3.5 Study instruction
2.3.6 Sampling and Enumeration
2.3.7 Data analysis methods
2.4 Results and analysis
2.4.1 Physical and chemical properties of water
2.4.2 Result of bacterial community analysis
2.4.3 Survival dynamics of non-O157E. coli strains in water samples of spring
2.4.4 Fitting of survival data
2.4.5 Principal Component Analysis
Chapter 3. Screening and detection of E. coliO157 in autumn samples of Lake water
3.1 Materials and method
3.1.1 Study site
3.1.2 Bacterial strains and reagents
3.1.3 Study material
3.1.4 Study instruction
3.1.5 Sampling and Enumeration
3.1.6 Data analysis methods
3.2 Results and analysis
3.2.1 Physical and chemical properties of water
3.2.2 Extraction of genome DNA
3.2.3 Survival dynamics of non-O157 E.coli strains in autumn water samples
3.2.4 Fitting of survival data
3.2.5 Principal Component Analysis
Chapter 4. Survival of non-O157E. coli 3 strains in the water samples of 2 seasons
4.1 Comparative analysis of physical and chemical properties in 2 season water samples
4.1.1 Difference in survival time of non-O157E. coli strains in two seasons water sample.
4.1.2 Cluster analysis of survival time (ttd)
4.2.1 Cluster Analysis
4.2.3 Differences in survival parameters ttd,δ, an pof three E. coli strains in the lake water
Chapter 5. Conclusion
参考文献
Figures
Tables
About the author and research results
致谢
吉林大学;
