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Plasmid used to construct the first reco...

Plasmid used to construct the first recombinant DNA was isolated from which bacterium species?

A

Escherichia coli

B

Salmonella typhimurium

C

Agrobacterium tumefacines

D

Thermus aquaicus

Text Solution

Verified by Experts

The correct Answer is:
B
The first recombinant DNA was constructed by Stanley Cohen and Herbert Boyer in 1972. They cut the piece of DNA from a plasmid carrying antibiotic resistance gene in the bacterium Salmonella typhimurium and linked it to the plasmid of Escherichia coil.
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Knowledge Check

  • The construction of the first recombinant DNA was done by using the native plasmid of :

    A
    E.coli
    B
    Salmonella typhimurium
    C
    B.thuringiensis
    D
    Yeast

  • T1 plasmid is used for making transgenic plants. It is obtained from:

    A
    Azotobacter
    B
    Agrobacterium
    C
    Rhizobium in leguminous root
    D
    Yeast

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    Enzyme 'Taq polymerase' used in PCR, has been isolated from bacterium 1) Agrobacterium tumefaciens 2)Thermus aquaticus 3) Streptomyces albus 4) Escherichia coil

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