Difference between revisions of "Part:BBa K782036"

 
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TALB, TALA and TALD labels represents TAL effectors 1297 and 1257 and 1295 respectively from zebrafish experiments (Sander et al., 2011)
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===Introduction===
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TAL effectors (TALEs) are bacterial plant pathogen transcription factors, that bind to DNA by specifically recognizing one base pair with a single tandem repeat in their DNA-binding domain. A tandem TALE repeat contains 33 to 35 amino acids, where the 12th and 13th amino acid, called a “repeat variable diresidue” (RVD), are responsible for specific interactions with the corresponding base pair (Scholze and Boch, 2011).
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This part contains 10 alterations of TALA and TALB binding sites ([https://parts.igem.org/Part:BBa_K782069 10×[TALA+TALB]]), upstream of a CMV promoter (constitutive promoter for expression in mammalian cells). Downstream of the promoter there is a TAL repressor [https://parts.igem.org/wiki/index.php?title=Part:BBa_K782009 TALD:NLS:KRAB]. This way we have a TAL effector under the control of other TAL effectors, which allows us to create more complicated genetic circuits with more than one level of regulation.
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[[Image:SVN12_10×AB_TDK.png]]
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'''Figure 1:'''Schematic representation of the construct
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===References===
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Sander, J. D., Cade, L., Khayter, C., Reyon, D., Peterson, R. T., Joung, J. K., and Yeh, J.-R. J. (2011) Targeted gene disruption in somatic zebrafish cells using engineered TALENs. Nature Biotechnology 29, 697–698
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Scholze, H., and Boch, J. (2011) TAL effectors are remote controls for gene activation. Curr. Opin. Microbiol. 14, 47-53
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Revision as of 17:56, 25 September 2012

10x[TALA+TALB] operator_CMV promoter_TALD:NLS:KRAB


TALB, TALA and TALD labels represents TAL effectors 1297 and 1257 and 1295 respectively from zebrafish experiments (Sander et al., 2011)

Introduction

TAL effectors (TALEs) are bacterial plant pathogen transcription factors, that bind to DNA by specifically recognizing one base pair with a single tandem repeat in their DNA-binding domain. A tandem TALE repeat contains 33 to 35 amino acids, where the 12th and 13th amino acid, called a “repeat variable diresidue” (RVD), are responsible for specific interactions with the corresponding base pair (Scholze and Boch, 2011).

This part contains 10 alterations of TALA and TALB binding sites (10×[TALA+TALB]), upstream of a CMV promoter (constitutive promoter for expression in mammalian cells). Downstream of the promoter there is a TAL repressor TALD:NLS:KRAB. This way we have a TAL effector under the control of other TAL effectors, which allows us to create more complicated genetic circuits with more than one level of regulation.

SVN12 10×AB TDK.png

Figure 1:Schematic representation of the construct


References

Sander, J. D., Cade, L., Khayter, C., Reyon, D., Peterson, R. T., Joung, J. K., and Yeh, J.-R. J. (2011) Targeted gene disruption in somatic zebrafish cells using engineered TALENs. Nature Biotechnology 29, 697–698

Scholze, H., and Boch, J. (2011) TAL effectors are remote controls for gene activation. Curr. Opin. Microbiol. 14, 47-53


Sequence and Features


Assembly Compatibility:
  • 10
    COMPATIBLE WITH RFC[10]
  • 12
    COMPATIBLE WITH RFC[12]
  • 21
    INCOMPATIBLE WITH RFC[21]
    Illegal BamHI site found at 924
    Illegal BamHI site found at 1556
    Illegal BamHI site found at 3924
  • 23
    COMPATIBLE WITH RFC[23]
  • 25
    INCOMPATIBLE WITH RFC[25]
    Illegal NgoMIV site found at 343
    Illegal NgoMIV site found at 708
    Illegal AgeI site found at 206
    Illegal AgeI site found at 546
    Illegal AgeI site found at 571
    Illegal AgeI site found at 911
  • 1000
    INCOMPATIBLE WITH RFC[1000]
    Illegal BsaI.rc site found at 4290
    Illegal SapI.rc site found at 4254