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- | <h1><strong>Oxygen Control System: PrrA/PrrB two component system </strong></h1>
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- | <p>This regulatory system can sense oxygen concentration and senda response, under high oxygen tension, the system remains inactive, when oxygen concentration decreases PrrB (His sensor kinase) turns active trough an autophosphorylation with help of PrrC, which transmit the signal from electron transport chain with help. Then PrrB transmit the phosphate group to PrrA response regulator that directly binds promoter and recruits RNA polymerase to start GFP transcription.</p>
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- | <p><strong>How does it work?</strong></p>
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- | <p>This genetic system consists in two modules, the first one is formed by <strong><em>prra, prrb </em></strong><em>and<strong> prrc</strong></em>coupled to <strong>B0030</strong> RBS units, <strong>J23104</strong> Strong constitutive promoter and <strong>B0014</strong> Double terminator to form the transcription unit. We will evaluate the functioning of J23104, B0030 and B0014 in a new chassis. The second module consists in <strong>J54103</strong> GFP generator (B0030 RBS + E1010 GFP + B0014 Double terminator) coupled to PpsR repressible promoter.</p>
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