Team:Alberta/Notebook/protocols/vector dephos

From 2010.igem.org

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==General Protocols==
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-----------------------------
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*[[Team:Alberta/Notebook/protocols/invitro_biobyte_assembly | In Vitro BioByte Assembly]]
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-----------------------------
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*[[Team:Alberta/Notebook/protocols/LB | LB Plates and Broth]]
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*[[Team:Alberta/Notebook/protocols/transformations |Transformations]]
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*[[Team:Alberta/Notebook/protocols/overnight |5mL Overnight ]]
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*[[Team:Alberta/Notebook/protocols/glycerol | Glycerol Stock ]]
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-----------------------------
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*[[Team:Alberta/Notebook/protocols/miniprep | Plasmid Miniprep ]]
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*[[Team:Alberta/Notebook/protocols/digest | Restriction Digest ]]
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*[[Team:Alberta/Notebook/protocols/vector_dephos | Vector Dephosphorylation]]
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*[[Team:Alberta/Notebook/protocols/ligation | Ligation ]]
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-----------------------------
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*[[Team:Alberta/Notebook/protocols/agarose_gel | Agarose Gel Electrophoresis ]]
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*[[Team:Alberta/Notebook/protocols/gel_extraction | Gel Extraction ]]
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-----------------------------
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*[[Team:Alberta/Notebook/protocols/pcr | PCR]]
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*[[Team:Alberta/Notebook/protocols/colony_pcr | Colony PCR ]]
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*[[Team:Alberta/Notebook/protocols/pcr_purification | PCR Purification ]]
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-----------------------------
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*[[Team:Alberta/Notebook/protocols/labelling | Sample Labelling Conventions]]
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*[[Team:Alberta/Notebook/protocols/sequencing | Fluorescent Sequencing Reaction]]
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*[[Team:Alberta/Notebook/protocols/primer_design | Primer Design]]
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-----------------------------
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Revision as of 02:28, 27 October 2010

TEAM ALBERTA


Vector Dephosphorylation

Reagents:

  • Antarctic phosphatase
  • 10x Antarctic phosphatase buffer


Procedure:

  • Add 1/10 volume of 10x antarctic phosphatase reaction buffer to 1-5ug of DNA cut with any restriction endonuclease in any buffer.
  • Add 1ul of Antarctic phosphatase and mix.
  • Incubate 5 minutes at 37oC.
  • Heat inactivate for 5 minutes at 65oC.
  • Proceed with ligation.


Notes:

  • Vector dephosphorylation can be useful in cutting transformation background, but it is very harsh.
  • It chews off 5' phosphates, but it also keeps chewing on the DNA ends, reducing total transformation efficiency.
  • Try without dephosphorylation first, and minimize exposure to phosphatase if you must resort to using it.
  • See also Sambrook.