11.03.2014 Views

Coordinated regulation of gene expression by E ... - Jacobs University

Coordinated regulation of gene expression by E ... - Jacobs University

Coordinated regulation of gene expression by E ... - Jacobs University

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

MATERIALS AND METHODS<br />

dNTPs (25 μmol)<br />

NTPs<br />

Agarose<br />

Roche<br />

Roche<br />

Roti ® garose from Carl Roth GmbH, Germany.<br />

2.1.2 Antibiotics<br />

The following antibiotics were prepared as described <strong>by</strong> Sambrook et al. [Sambrook<br />

and Russell 2001]. The concentration <strong>of</strong> their stock solution and final working<br />

concentrations used are indicated below.<br />

Stock solution<br />

Working concentration<br />

Ampicillin 50 mg/ml in water 20 μg/ml<br />

Chloremphinicol 34 mg/ml in ethanol 25 μg/ml<br />

Tetracyclin 5 mg/ml in ethanol 10 μg/ml<br />

Kanamycin 10 mg/ml in water 10 μg/ml<br />

2.1.3 Media<br />

The media were prepared as described <strong>by</strong> Sambrook et al. Composition to prepare one<br />

liter <strong>of</strong> media is given below.<br />

2x YT medium:<br />

Tryptone<br />

Yeast extract<br />

NaCl<br />

16 gm<br />

10 gm<br />

5 gm<br />

LB medium:<br />

Tryptone<br />

Yeast extract<br />

10 gm<br />

5 gm<br />

19

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!