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Keyword [balanced-lethal system]
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1. Construction And Application Of Crpˉ, Asdˉ Deleted Mutants Host-Vector Balanced Lethal System Of Salmonella Choleraesuis C500 Strain
2. An Attenuated Salmonella Typhimurium DNA Vaccine Against Eimeria Stiedai
3. Characterization Of A Novel DNA Vaccine Vector Without Antibiotic Resistance Gene, Its Transporting System Based On Salmonella And Characterization Of A Prokaryotic-eukaryotic Double Expression Plasmid
4. The Immunity Of Recombinant Strain Expressing The Major Protective Antigens Of Shiga-like Toxigenic Escherichia Coli Causing PWD/ED And The Development Of Monoclonal Antibody To Stx 2e
5. Functional Display Of The F18 E.coli Adhesin On The Bacterial Surface And Construction Of The Chromosome-plasmid Balanced-lethal System
6. Construction Of The â–³asd Mutant Of An Attenuated S.gallinarum Strain And Its Application As A Vehicle For The Heterologous Genes
7. Construction Of The â–³asd Mutant Of An Attenuated Salmonella Choleraesuis C500 Strain And Its Preliminary Application As A Live Vaccine Vector
8. Innovation And Apolegamy Of The Superior Cross Combination Of Silkworm Sex-Linked Balanced Lethal System Resource
9. Innovation And Apolegamy Of The Superior Cross Combination Of Silkworm Sex-linked Balanced Lethal System Resource
10. Applied Research Of Attenuated Salmonella Typhi As Live Vaccine Vector For The Surface Display Of Foreign Antigens
11. Construction And Evaluation In Immunogenicity And Safety Of Somatostatin DNA Vaccine Without Antibiotic Resistance Gene
12. Molecular Epidemiology Investigation Of PRRS In The Western Of Henan Province And The Construction And Identification For Recombinant ORF5Attenuated Salmonella
13. Construction Of An Asd Balanced-lethal System In Edwardsiella Tarda And Its Potential Application In Multivalent Vaccine Development
14. Construction Of A Salmonella Typhimurium SL1344ΔcrpΔasd Mutant Strain And Its Application As A Vehicle For The ND-HN Gene
15. Construction And Application As A Vehicle For PRRSV ORF5-ORF6 Of ?crp?cya?asd C78-1 Balanced Lethal System
16. Construction And Characteristic Study Of Recombinant Newcastle Disease Virus Haemagglutinin-neuraminidase Gene Attenuated Salmonella Enteria Serovar Pullorum
17. Construction And Characteristic Of Recombinant Attenuated Salmonella Enteria Serovar Pullorum Harbouring HN/F Genes Of Newcastle Disease Virus
18. Effect Of Alone And Combined Immunization Against INH And GnIH DNA Vaccines Without Antibiotic Resistance Gene On Fecundity Of Mice
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