Difference between revisions of "Part:BBa K4197003"

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<h2>Validation</h2>
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<p>Successful colonies were further tested by digestion with NotI which cut both in the plasmid and in the mRFP1 gene (Figure 2). Correct sizes were expected to be
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1178 and 6791 bp for Ara h 2.</p>
 
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                 <b>Figure 2: </b> <b>Xxxxxxxxxxxxx</b>   
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                 <b>Figure 2: </b> <b>Digestion by NotI of Ana o 3 with mRFP1 insertion.</b>   
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                 The digestion product was checked with 0.6% agarose electrophoresis gel and revealed with EtBr. A theoretical gel is presented with each gel and the
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NEB 1 kb DNA ladder is used for the experimental gels (note that a different ladder is presented on the theoretical gel). colonies 21 and 23 present
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the correct size for Ana o 3.
 
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<p>This construction has not shown red fluorescence on the microscope. After sequencing, a mutation has been revealed on the mRFP sequence which does not allow us
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to continue further with this construction.</p>
 
      
 
      
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<h3>Titre 3</h3>
 
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    <li>Forward : TAAGAAGGAGATATACCATGGCGGAAGCGGGTATCACC</li>
 
    <li>Reverse : CTCGAGTGCGGCCGCAAGCTTCGGATCGTCCTATGATGGAGG</li>
 
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    <li>CForward : CGCGGCCGCTTCTAGAGCGGAAGCGGGTATCACC</li>
 
    <li>Reverse : AGCGGCCGCTACTAGTCGGATCGTCCTATGATGGAGG</li>
 
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<h2>References</h2>
 
<h2>References</h2>
 
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     <i>
    <li>Morag E, Lapidot A, Govorko D, Lamed R, Wilchek M, Bayer EA, Shoham Y: Expression, purification, and characterization of the cellulose-binding domain of the scaffoldin subunit from the cellulosome of Clostridium thermocellum. Applied and Environmental Microbiology 1995, 61:1980-1986.</li>
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<li> <partinfo>K4197012</partinfo> </li>
    <li>Nogueira ES, Schleier T, Durrenberger M, Ballmer-Hofer K, Ward TR, Jaussi R: High-level secretion of recombinant full-length streptavidin in Pichia pastoris and its application to enantioselective catalysis. Protein Expr Purif 2014, 93:54-62. DOI: 10.1016/j.pep.2013.10.015.</li>
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<li> <partinfo>K4197007</partinfo> </li>
    <li>Young TS, Schultz PG: Beyond the canonical 20 amino acids: expanding the genetic lexicon. J Biol Chem 2010, 285:11039-11044. DOI: 10.1074/jbc.R109.091306.</li>
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<li> <a href="https://2022.igem.wiki/toulouse-insa-ups/index.html"> DAISY (INSA-UPS 2022)</a> </li>
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Revision as of 17:24, 8 October 2022


Ana o 3 expression at the surface of E. coli cells sortable by FACS using mRFP1

Brick expressing Ana o 3 at the surface of E. coli cell sortable by FACS

Introduction

The part expressing the gene of cashew nut Ana o 3 (K4197007) has been completed with the ihfb800-RFP construction (K4197012) to express red fluorescence. This red fluorescence allows sorting of bacteria by FACS.

Construction

The ihfb800-mRFP1 construction was amplified by PCR with the high-fidelity Phusion polymerase using BFP/RFP IF+BglII R site R (cgcgggatcgagatctatcacgaggcagaatttcagat) and BFP/RFP IF+BglII R site F (tagaggatcgagatctctgaaacagtgcaaagctaaccc) primers. The expected size of the amplicon is 1622 bp. The fragment was inserted on the linearized plasmid pET21b(+) with Ana o 3 (K4197007) by In-Fusion.

The resulting products were transformed into Stellar cells and transformants were selected. Colonies were screened by PCR using screening_insert_R (ccgaaacaagcgctcatgagc) and screening_insert_F (ggttatgctagttattgctcagc) primers. The expected sizes of amplicons was 2944 bp with RFP and 1453 bp without RFP.

Figure 1: Verification of the insertion of RFP fragment in Ana o 3 with gel. The PCR screening was checked with 0.6% agarose electrophoresis gel and revealed with EtBr. A theoretical gel is presented with each gel and the NEB 1 kb DNA ladder is used for the experimental gels (note that a different ladder is presented on the theoretical gel). Colony 8 has shown the right size.

Validation

Successful colonies were further tested by digestion with NotI which cut both in the plasmid and in the mRFP1 gene (Figure 2). Correct sizes were expected to be 1178 and 6791 bp for Ara h 2.

Figure 2: Digestion by NotI of Ana o 3 with mRFP1 insertion. The digestion product was checked with 0.6% agarose electrophoresis gel and revealed with EtBr. A theoretical gel is presented with each gel and the NEB 1 kb DNA ladder is used for the experimental gels (note that a different ladder is presented on the theoretical gel). colonies 21 and 23 present the correct size for Ana o 3.

This construction has not shown red fluorescence on the microscope. After sequencing, a mutation has been revealed on the mRFP sequence which does not allow us to continue further with this construction.

References

  1. K4197012
  2. K4197007
  3. DAISY (INSA-UPS 2022)

Sequence and Features


Assembly Compatibility:
  • 10
    INCOMPATIBLE WITH RFC[10]
    Illegal EcoRI site found at 1527
    Illegal EcoRI site found at 1741
    Illegal XbaI site found at 1512
    Illegal XbaI site found at 1658
    Illegal PstI site found at 213
    Illegal PstI site found at 224
    Illegal PstI site found at 342
  • 12
    INCOMPATIBLE WITH RFC[12]
    Illegal EcoRI site found at 1527
    Illegal EcoRI site found at 1741
    Illegal NheI site found at 1703
    Illegal PstI site found at 213
    Illegal PstI site found at 224
    Illegal PstI site found at 342
    Illegal NotI site found at 1519
    Illegal NotI site found at 2697
  • 21
    INCOMPATIBLE WITH RFC[21]
    Illegal EcoRI site found at 1527
    Illegal EcoRI site found at 1741
    Illegal BglII site found at 1592
    Illegal BamHI site found at 1735
    Illegal XhoI site found at 2706
  • 23
    INCOMPATIBLE WITH RFC[23]
    Illegal EcoRI site found at 1527
    Illegal EcoRI site found at 1741
    Illegal XbaI site found at 1512
    Illegal XbaI site found at 1658
    Illegal PstI site found at 213
    Illegal PstI site found at 224
    Illegal PstI site found at 342
  • 25
    INCOMPATIBLE WITH RFC[25]
    Illegal EcoRI site found at 1527
    Illegal EcoRI site found at 1741
    Illegal XbaI site found at 1512
    Illegal XbaI site found at 1658
    Illegal PstI site found at 213
    Illegal PstI site found at 224
    Illegal PstI site found at 342
    Illegal AgeI site found at 329
    Illegal AgeI site found at 1360
    Illegal AgeI site found at 1472
  • 1000
    INCOMPATIBLE WITH RFC[1000]
    Illegal SapI.rc site found at 2368