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Exactly about Gene Transfer and Genetic Recombination in Bacteria

Exactly about Gene Transfer and Genetic Recombination in Bacteria

The following points highlight the 3 modes of gene transfer and recombination that is genetic germs. The modes are: 1. Transformation 2. Transduction 3. Bacterial Conjugation.

Mode # 1. Change:

Historically, the finding of change in germs preceded one other two modes of gene transfer. The experiments carried out by Frederick Griffith in 1928 suggested when it comes to time that is first a gene-controlled character, viz. Development of capsule in pneumococci, could possibly be used in a variety that is non­-capsulated of germs. The transformation experiments with pneumococci fundamentally resulted in a discovery that is equally significant genes are constructed with DNA.

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During these experiments, Griffith utilized two strains of pneumococci (Streptococcus pneumoniae): one by having a polysaccharide capsule creating ‘smooth’ colonies (S-type) on agar dishes that was pathogenic. (more…)Exactly about Gene Transfer and Genetic Recombination in Bacteria