Difference between revisions of "Part:BBa R0079:Experience"

Revision as of 02:52, 14 October 2011

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Please enter how you used this part and how it worked out.

Applications of BBa_R0079

User Reviews

UNIQ9e226f39857a8443-partinfo-00000000-QINU UNIQ9e226f39857a8443-partinfo-00000001-QINU

No review score entered. NYMU-Taipei 2009

We have characterised the strength of the promoters pCI, p22, pLux, pLas relative to pCI. More details are available at the [http://2009.igem.org/Team:NYMU-Taipei/Project/Promoter_Strength_Testing NYMU-Taipei iGEM09 wiki].

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No review score entered. Northwestern 2011

The Northwestern iGEM team used this part as a unit within our Pseudomonas Aeruginosa biosensor. When this LasR/PAI regulated promoter is induced at varying concentrations of PAI in the presence of excess LasR, we observed GFP fluorescence in accordance with the graph below.

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Tokyo-tech iGEM 2011

Judging from Northwestern iGEM 2011 team's data, in the presence of 3OC12-HSL, fluorescence intensity was about 3-fold higher than that in the absence of 3OC12-HSL.

We improved this part. lasI promoter(BBa_K649000) which we constructed was more successfully regulated by 3OC12-HSL. GFP expression after induction of 3OC12-HSL is 170 times as high as before.

Effect of 3OC12-HSL induction on fluorescence intensity
This work is done by Takuya Tsubaki.

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No review score entered. Tsinghua-A 2011

Tsinghua-A 2011 assembled E0840 (BBa_E0840) under the pLas promoter (BBa_R0079) that was contained into K574009 (BBa_K574009). We kept pSB1A2 as the scaffold vector.

From the chart, we can see that cells were hardly induced in the control group, and with the concentration of inducer growing, the intensity of GFP increased by groups. The most efficient concentration of inducer was around 10^-5M, and higher concentration may lead to the expression of GFP decreasing. Additionally, to most groups, the intensity of GFP reached its maxium after 4 hours.
More details are available at the [http://2011.igem.org/Team:Tsinghua-A/Parts Tsinghua-A 2011 Wiki].

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−	We improved this part. lasI promoter([https://parts.igem.org/Part:BBa_K649000 BBa_K649000]) which we constructed was more successfully regulated by 3OC12-HSL. GFP expression after induction of 3OC12-HSL is 170 times ~~more than~~ before.	+	We improved this part. lasI promoter([https://parts.igem.org/Part:BBa_K649000 BBa_K649000]) which we constructed was more successfully regulated by 3OC12-HSL. GFP expression after induction of 3OC12-HSL is 170 times as high as before.

	[[Image:BBa K649001 graph3.png\|thumb\|center\|500px\|Effect of 3OC12-HSL induction on fluorescence intensity<br>This work is done by Takuya Tsubaki.]]		[[Image:BBa K649001 graph3.png\|thumb\|center\|500px\|Effect of 3OC12-HSL induction on fluorescence intensity<br>This work is done by Takuya Tsubaki.]]