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

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RESULTS<br />

Figure 15: Coordination <strong>of</strong> essential metabolic pathways <strong>by</strong> supercoiling sensitivity.<br />

The Rel (red) or Hyp (blue) preference <strong>of</strong> the <strong>gene</strong>s in the <strong>regulation</strong> <strong>of</strong> oxaloacetate production and<br />

glyoxylate <strong>by</strong>pass in citric acid cycle (A) and coordination <strong>of</strong> de novo biosynthesis <strong>of</strong> purine nucleotides<br />

(B) are indicated.<br />

Certain relevant <strong>gene</strong>s which were missing in the microarray data like aceB,<br />

glcB, sucC and sdhD were investigated <strong>by</strong> performing Real-time PCR (RT-PCR) (Table<br />

3). In addition randomly selected <strong>gene</strong>s <strong>of</strong> purine biosynthesis pathway were<br />

investigated to validate the quality <strong>of</strong> the microarray results. These results are in<br />

keeping with the inferences from the analyses <strong>of</strong> microarray data.<br />

47

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