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

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MATERIALS AND METHODS<br />

NaCl<br />

10 gm<br />

YT agar plates:<br />

Tryptone<br />

Yeast extract<br />

NaCl<br />

Agar<br />

8 gm<br />

5 gm<br />

5 gm<br />

15 gm<br />

2.1.4 Buffers and stock solutions<br />

TE buffer (pH 8.0):<br />

10mM Tris/HCl<br />

1mM EDTA<br />

TAE buffer (50X):<br />

242 gm <strong>of</strong> Tris base<br />

57.1 ml <strong>of</strong> glacial acetic acid<br />

100 ml <strong>of</strong> 0.5M EDTA (pH 8.0)<br />

TBE buffer (5X):<br />

54 gm <strong>of</strong> Tris base<br />

27.5 gm <strong>of</strong> boric acid<br />

20 ml <strong>of</strong> 0.5M EDTA (pH 8.0)<br />

Killing buffer:<br />

20 mM Tris-Cl (pH 7.5)<br />

5 mM MgCl 2<br />

20 mM Sodium azide<br />

10X in vitro transcription buffer:<br />

100 mM Tris-HCl (pH 8.0)<br />

2 M NaCl<br />

100 mM MgCl 2<br />

10 mM DTT<br />

20

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