Difference between revisions of "Team:KUAS Korea/Experiments"
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| + | <h3>Designing and constructing the cooperator and cheater</h3> | ||
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| + | <ol>We have looked the previous iGEM projects and articles on the game theory. We decided to express GFP for cheater and beta-glucosidase for cooperator. We received the designed constitutive expression vector applicable to ligation independent cloning using the plasmid containing BBa_J23106 from Ph.D. Ko. | ||
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| + | <h3>2.Transformation into E.coli BW25113</h3> | ||
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| + | <ol>As the E.coli BW25113 is a host strain for the surface display and expression, we transformed the designed plasmid vector into it. We cultured the bacteria on M9 minimal media; one with glucose and another with cellobiose respectively. We checked the activity of cheater on M9 minimal medium with glucose and cooperator on M9 minimal medium with cellobiose. </ol> | ||
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| + | <ol> <h3>3.Co-culture of cooperator and cheater with different ratio</h3> | ||
| + | <li>Both cooperator and cheater were incubated in M9 minimal medium with 0.48% glucose at 37’C until it reached 1.0 in OD 600. | ||
| + | </li><li> Batch co-culture was conducted in 5ml of M9 minimal medium with 0.48% cellobiose solution; in ratio of cheater and cooperator 1:1, 1:2, 1:4, 2:1, 4:1. | ||
| + | </li><li> After 2, 4 and 6 days, each co-culture medium with different ratio was extracted and streaked on LB agar plate with ampicillin. | ||
| + | </li><li> After overnight growth, total cell was counted and the plate was checked under fluorescence microscopy to count cheater; GFP expressing bacteria. | ||
| + | </li></ol> | ||
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| + | <h3>References</h3> | ||
| + | <ol class="references"> | ||
| + | <li>Sigmund, Karl, and Martin A. Nowak. "Evolutionary game theory." Current Biology 9.14 (1999): R503-R505.</li></ol> | ||
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Revision as of 11:40, 17 October 2018
Description |
Designing and constructing the cooperator and cheater
- We have looked the previous iGEM projects and articles on the game theory. We decided to express GFP for cheater and beta-glucosidase for cooperator. We received the designed constitutive expression vector applicable to ligation independent cloning using the plasmid containing BBa_J23106 from Ph.D. Ko.
2.Transformation into E.coli BW25113
- As the E.coli BW25113 is a host strain for the surface display and expression, we transformed the designed plasmid vector into it. We cultured the bacteria on M9 minimal media; one with glucose and another with cellobiose respectively. We checked the activity of cheater on M9 minimal medium with glucose and cooperator on M9 minimal medium with cellobiose.
- Both cooperator and cheater were incubated in M9 minimal medium with 0.48% glucose at 37’C until it reached 1.0 in OD 600.
- Batch co-culture was conducted in 5ml of M9 minimal medium with 0.48% cellobiose solution; in ratio of cheater and cooperator 1:1, 1:2, 1:4, 2:1, 4:1.
- After 2, 4 and 6 days, each co-culture medium with different ratio was extracted and streaked on LB agar plate with ampicillin.
- After overnight growth, total cell was counted and the plate was checked under fluorescence microscopy to count cheater; GFP expressing bacteria.
3.Co-culture of cooperator and cheater with different ratio
References
- Sigmund, Karl, and Martin A. Nowak. "Evolutionary game theory." Current Biology 9.14 (1999): R503-R505.
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