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Escherichia coli Lac + (J53R)

Esherichia coli J53-R (Lac +)

£22.80

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Description

Gram-negative. Produces ß-galactosidase when lactose is present in the growth medium. Together with HT-99, it can be used to demonstrate bacterial conjugation

https://www.ncbe.reading.ac.uk/slope-cultures/

 

Detailed Description

Gram-negative. Produces β-galactosidase when lactose is present in the growth medium. Grow on nutrient or LB agar. J-53R carries on its chromosome a gene conferring resistance to the antibiotic rifampicin. Together with HT-99, it can be used to demonstrate bacterial conjugation [in this case, showing one way in which antibiotic resistance spreads].

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