Team:Imperial College/CAT

From 2008.igem.org

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===Chloramphenicol Acetyltransferase Characterisation===
===Chloramphenicol Acetyltransferase Characterisation===
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Characterisation of the chloramphenicol concentrations at which chlorampehnicol acetyltransferase ([http://partsregistry.org/wiki/index.php?title{{equals}}Part:BBa_J31005 Part: BBa_J31005]) (CAT) will protect cells, allowing them to grow and thrive is essentially to allow the correct selection when using the CAT gene.
Characterisation of the chloramphenicol concentrations at which chlorampehnicol acetyltransferase ([http://partsregistry.org/wiki/index.php?title{{equals}}Part:BBa_J31005 Part: BBa_J31005]) (CAT) will protect cells, allowing them to grow and thrive is essentially to allow the correct selection when using the CAT gene.
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If a culture of cells becomes contaminated with another chloarmphenicol resistant bacterium and we lack an extra resistance marker, the upper limit at which our cells can survive in chloramphenicol may allows the removal of the contaminating strain or species.
If a culture of cells becomes contaminated with another chloarmphenicol resistant bacterium and we lack an extra resistance marker, the upper limit at which our cells can survive in chloramphenicol may allows the removal of the contaminating strain or species.
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To this end, characterisation of chloramphenicol acetyl transferase was carried out according to this [https://2008.igem.org/wiki/index.php?title=Team:Imperial_College/Resistance protocol]
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To this end, characterisation of chloramphenicol acetyl transferase was carried out according to this [https://2008.igem.org/wiki/index.php?title{{equals}}Team:Imperial_College/Resistance protocol]
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==Results==
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====Results====
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[Image:CAT_Results.PNG|width=80%]
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[[Image:CAT_Results.PNG{{pipe}}width{{equals}}80%]]
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[Image:CAT_Working_Concentration.PNG|width=80%]
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[[Image:CAT_Working_Concentration.PNG{{pipe}}width{{equals}}80%]]
The construct containing the CAT gene was integrate into the ''B. subtilis'' genome for characterisation. As such, the CAT gene is single copy only. CAT will be able to protect a cell from higher levels of chloramphenicol if it is present in a construct on a plasmid (particularly a high copy number plasmid)
The construct containing the CAT gene was integrate into the ''B. subtilis'' genome for characterisation. As such, the CAT gene is single copy only. CAT will be able to protect a cell from higher levels of chloramphenicol if it is present in a construct on a plasmid (particularly a high copy number plasmid)

Revision as of 22:58, 29 October 2008


Chloramphenicol Acetyltransferase Characterisation

Characterisation of the chloramphenicol concentrations at which chlorampehnicol acetyltransferase ([http://partsregistry.org/wiki/index.php?title=Part:BBa_J31005 Part: BBa_J31005]) (CAT) will protect cells, allowing them to grow and thrive is essentially to allow the correct selection when using the CAT gene.


If a culture of cells becomes contaminated with another chloarmphenicol resistant bacterium and we lack an extra resistance marker, the upper limit at which our cells can survive in chloramphenicol may allows the removal of the contaminating strain or species.


To this end, characterisation of chloramphenicol acetyl transferase was carried out according to this protocol


Results

width=80% width=80%

The construct containing the CAT gene was integrate into the B. subtilis genome for characterisation. As such, the CAT gene is single copy only. CAT will be able to protect a cell from higher levels of chloramphenicol if it is present in a construct on a plasmid (particularly a high copy number plasmid)




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