Types | DnaRegion
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Roles | engineered_region
Device
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Sequences | BBa_I742132_sequence (Version 1)
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Description
This device gives PoPS-output on cell division. The DNA flanked by the opposing repeats of the dif-site is inverted and allows transcription of both any downstream element and a repressor which, upon sufficient build-up, switches off the promoter which controls downstream transcription. Inversion only occurs when the XerCD complex is activated, and this only occurs at cell division.
Therefore this device produces a short burst of PoPS as a function of cell division. Any added downstream elements will likewise be activated, briefly, as a function of cell division.
Notes
Again, please refer to to part in question. However, as a general rule, all parts in 'non-default', bottom DNA strand need be synthesised in reverse complementary fashion. You will encounter parts that are called 'upside-down' or 'reverse complementary' for this reason.
Source
Please refer to individual parts.
They are all more or less modified versions of E. coli K12 loci and its phage lambda.