Difference between revisions of "Part:BBa K2447016"

Revision as of 01:21, 26 October 2017

Phosphate-dependent, temperature-sensitive cascaded system with IM2 expression

Design of this cascade system is similar to our other part BBa_K2447015, with the only exception being the GFP coding sequence being replaced with E2 immunity protein.

With the addition of another sequence that would be capable of constitutive production of E2 Colicin (an DNAse), this construct is useful to serve as a highly specific kill-switch where under high phosphate concentration and/or when the temperature is higher than 36 degrees, there would be constant production of E2 immunity protein to sequester the killing protein E2. For the remaining scenario such as when the phosphate concentration is low and when temperature is lower than 36 degrees, the kill-switch would be 'activated' where the production of E2 immunity protein will be down-regulated causing accumulation of E2 Colicin and subsequent cell death.

Sequence and Features

Assembly Compatibility:

10
COMPATIBLE WITH RFC[10]
12
INCOMPATIBLE WITH RFC[12]
Illegal NotI site found at 1026
21
INCOMPATIBLE WITH RFC[21]
Illegal BglII site found at 2085
Illegal XhoI site found at 1311
23
COMPATIBLE WITH RFC[23]
25
INCOMPATIBLE WITH RFC[25]
Illegal AgeI site found at 1614
1000
COMPATIBLE WITH RFC[1000]

@@ Line 3: / Line 3: @@
 <partinfo>BBa_K2447016 short</partinfo>
-This design of this cascade system is similar to our other part [https://parts.igem.org/wiki/index.php?title=Part:BBa_K2447015 BBa_K2447015], with the only exception where the GFP coding sequence is being replaced by E2 immunity protein.
+Design of this cascade system is similar to our other part [https://parts.igem.org/wiki/index.php?title=Part:BBa_K2447015 BBa_K2447015], with the only exception being the GFP coding sequence being replaced with E2 immunity protein.
-With the addition of another plasmid that is capable of constitutive production of E2 Colicin (an DNAse), this construct is useful to serve as a highly specific kill-switch where under normal circumstances (high phosphate concentrations or when the temperature is higher than 36 degrees), there would be constant production of E2 immunity protein to sequester the killing protein E2. For other scenarios such as when the phosphate concentration is low and when temperature is lower than 36 degree, the kill-switch would be 'activated' where downstream production of E2 immunity protein will be down-regulated and causing over accumulation of E2 Colicin and subsequent cell death.
+With the addition of another sequence that would be capable of constitutive production of E2 Colicin (an DNAse), this construct is useful to serve as a highly specific kill-switch where under high phosphate concentration and/or when the temperature is higher than 36 degrees, there would be constant production of E2 immunity protein to sequester the killing protein E2. For the remaining scenario such as when the phosphate concentration is low and when temperature is lower than 36 degrees, the kill-switch would be 'activated' where the production of E2 immunity protein will be down-regulated causing accumulation of E2 Colicin and subsequent cell death.