Coding

Part:BBa_K112805

Designed by: Jin Huh   Group: iGEM08_UC_Berkeley   (2008-10-30)
Revision as of 05:45, 12 October 2022 by Tigress K (Talk | contribs)


[T4 holin]

Holins from T4 bacteriophage assemble together to form pores on inner membrane of bacteria allowing lysozyme to reach periplasm and degrade peptidoglycan layer.

Group: (Michigan 2017) Author: (Aaron Renberg) Summary: We improved this part by optimizing the codons for translation in E. coli using IDT’s codon optimization tool, and by eliminating the illegal XbaI site that Imperial College London’s 2011 team found, making it much easier for future iGEM teams to use. The changes we made were T358C, T556C, T563C, and T571C. Additionally, we constructed three different versions (of varying promoter strength) of a temperature controlled kill switch using holin, endolysin and antiholin. Link: https://parts.igem.org/Part:BBa_K2301000

Sequence and Features


Assembly Compatibility:
  • 10
    COMPATIBLE WITH RFC[10]
  • 12
    COMPATIBLE WITH RFC[12]
  • 21
    COMPATIBLE WITH RFC[21]
  • 23
    COMPATIBLE WITH RFC[23]
  • 25
    COMPATIBLE WITH RFC[25]
  • 1000
    COMPATIBLE WITH RFC[1000]


Characterized by CAFA_China 2022

  • We constucted a gene circuit include lacZ gene (BBa_I732019) and T4 lysis Device.
  • The experimental result shows that the OD600 of recombinant cells with pBAD-lacZ-T4 lysis gene circuit reduced significantly by 2-3 times than non-recombinant cells after induced by different concentrations of arabinose.
Figure: The result of T4 lysis Device after induced by different concentrations of arabinose. (pSB1C3: non-recombinant DH10B without arabinose induction; pSB1C3-pBAD-lacZ-T4 lysis: recombinant DH10B without arabinose induction and with different concentrations of arabinose).

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