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1. BACTERIOPHAGE
Dr Amit kumar
Email:
amitkumarshahi90@gm
ail.com

2. Introduction
viruses Infect

3. 2) MORPHOLOGY
Bacteriophage infect E.coli is called T-even phage(T2,T4,T6)

4. Phase T1, T5 of E.COLI donot possess a contractile sheat

6. 3) LIFE CYCLE

13. SIGNIFICANCE OF BACTERIOPHAGE
1) phase typing : use as epidemiological purpose to
detecting single strain of bacteria responsible for outbreak
of infection.
2) Toxin production : toxin production in diphtheria and
clostridium are determined by prophase DNA.
3) Genetic engineering (cloning vector)
4) Antigenic property : temperate phase of salmonella can
be modified the antigenic property somatic o antigen