基于假基因内插入的嵌合肠毒素重组减毒大肠杆菌口服疫苗候选菌株的研究.pdf

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3、BM:ClassifiedIndex：Code：10224Confidential(yes/no)：noNO.:1206071DissertationfortheDoctoralDegreeResearchoftheRecombinantAttenuatedEscherichiaColiOralVaccineCandidateStrainBasedontheInsertioninthePseudogeneCandidate:GuanWeikunSupervisor:Prof.ShiDongfangDegreeCategory:

4、DoctorofAgricultureCollege:CollegeofVeterinaryMedicineFirstleveldiscipline:VeterinaryMedicineSecondleveldiscipline:PreventiveVeterinaryMedicineHarbinChinaJune2016目录目录摘要··································································································

5、···········Ⅰ英文摘要·······································································································Ⅲ1引言···········································································································11.1大肠杆菌的结构及理化特性····················

6、····················································11.2致病性大肠杆菌的分类··············································································21.2.1产肠毒素性大肠杆菌·············································································31.2.2肠致病性大肠杆菌················

7、································································31.2.3侵袭性大肠杆菌··················································································31.2.4肠出血性大肠杆菌················································································31.2.5肠凝聚性大肠杆

8、菌················································································41.2.6尿道致病性大肠杆菌··········································