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| − | __NOTOC__
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| − | <partinfo>BBa_K801100 short</partinfo>
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| − | This is an improved version of the RFP generating device <partinfo>BBa_J04450</partinfo> designed by [http://openwetware.org/wiki/Davidson:Davidson_2005 Team Davidson 2005] that is now RFC10 and RFC25 compatible.<br>
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| − | In 2012 the [https://parts.igem.org Registry of Standard Biological Parts] defined <partinfo>BBa_J04450</partinfo> as the standard shipping part that is required for submission of backbones, creating the need for a RFC25 compatible standard shipping part.<br>
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| − | <span class='h3bb'>Sequence and Features</span>
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| − | <partinfo>BBa_K801100 SequenceAndFeatures</partinfo>
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| − | '''Composite part of the following BioBricks:'''
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| − | <partinfo>BBa_J04450 SpecifiedComponents</partinfo>
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| − | *<partinfo>BBa_R0010</partinfo>: Promoter (lacI regulated) <br>
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| − | *<partinfo>BBa_B0034</partinfo>: RBS (Elowitz 1999) <br>
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| − | *<partinfo>BBa_E1010</partinfo>: Red Fluorescent Protein from ''Discosoma striata'' <br>
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| − | *<partinfo>BBa_B0015</partinfo>: Double Terminator <br>
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| − | ==Functional parameters==
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| − | The colonies are clearly red in color under natural light after about 18 hours.
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| − | Smaller colonies are visibly red under UV. The RFP part does not contain a degradation tag and the RBS is strong.
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| − | * LacI sensitive
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| − | * CAP sensitive
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| − | This part is commonly used, but can fail if the system contains LacI or CAP protein. <br>
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| − | (<small>--[[User:Meagan|Meagan]] 15:39, 23 July 2009 (UTC)</small>)
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| − | <gallery>
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| − | Image:J04450 - lightbox.jpg|Petri dish with <partinfo>BBa_J04450</partinfo> visualized under non-UV lightbox
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| − | Image:J04450 - UV 254nm.jpg|Petri dish with <partinfo>BBa_J04450</partinfo> visualized under 254 nm wavelength UV lightbox
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| − | Image:J04500-colonies.jpg|Colonies with and without <partinfo>BBa_J04450</partinfo> on petri dish.
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| − | </gallery>
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| − | ==Usage as a cloning tool==
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| − | [http://2010.igem.org/Team:Groningen Team Groningen 2010] reports the usage of this part as a cloning tool. When ligating any part, or part assembly, into any standard backbone that contains this part, the non-restricted and single-restricted backbones that self-circularize will produce red colonies on rich media plates (we use TY). These undesired transformants can than be avoided in the screening for the correct construct. With this method, the backbone desired for a new construct does not need to be purified from agarose gel to decrease the amount of undesired tranformants caused by ligation of the original part present in the backbone.
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| − | The amount of incorrect transformants depends, of course, on the ratio of backbone (mixed with <partinfo>BBa_J04450</partinfo>) vs. BioBrick insert, the size of the BioBrick insert, and whether the insert is an assembly of two BioBricks. The images below show two ligations with different efficiencies.
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| − | <gallery>
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| − | Image:co-inef-gn.jpg| An inefficient assembly ligation of two BioBricks into the pSB1C3 backbone producing many red colonies.
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| − | Image:co-ef-gn.jpg| A more efficient, single BioBrick ligation into the pSB1C3 backbone.
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| − | </gallery>
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| − | ==Extension of the standard compability to RFC10 and RFC25==
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| − | [http://2012.igem.org/Team:TU_Munich Team TU_Munich 2012] extended the standard compability of the RFP coding device (<partinfo>BBa_J04450</partinfo>) to RFC10 and [http://hdl.handle.net/1721.1/45140 RFC25] by adding the NgoMIV and AgeI restriction sites into the prefix and suffix of this part. Additionally two AgeI restriction sites that were present in the generator itself were deleted. <br><br>
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| − | This part may be used as a standard insert for RFC10 as well as [http://hdl.handle.net/1721.1/45140 RFC25] backbones. This improvement became necessary because insertion of <partinfo>BBa_J04450</partinfo> into a RFC25 compatible backbone leads to the deletion of the desired [http://hdl.handle.net/1721.1/45140 RFC25] restriction sites that are needed for protein fusions.
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| − | ==Absorption spectrum from RFP1 produced by BBa_K801100==
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| − | The BioBrick BBa_K801100 was characterized by expression of RFP1 (<partinfo>BBa_E1010</partinfo>) in ''E. coli'' XL1 blue. Cells were cultivated on a LB petri dish to guarantee sufficient oxygen supply. Afterward the cells were harvested and desintegrated using ultrasonic sound and cell debris was removed using centrifugation. Cell lysate in a cuvette is shown in the figure on the right. The absorption of the cell extract was measured in a photometer. The spectrum recorded is shown in the figure on the left in witch the RFP absorption peakt arroung 584 nm is present as it is described in literature.
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| − | [[Image:TUM12_K801100spectrum.png |thumb|left|400x300px|Absorption spectrum of cell lysate expressing <partinfo>BBa_K801100</partinfo>]]
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| − | [[Image:TUM12_K801100fluorescence picture.jpg |thumb|left|160x300px|Cell lysate of <partinfo>BBa_K801100</partinfo>-expressing ''E. coli'' under UV illumination]]
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| − | <br> (by [http://2012.igem.org/Team:TU_Munich Team TU_Munich 2012])
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