Difference between revisions of "Part:BBa K1653006:Experience"
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===Applications of BBa_K1653006=== | ===Applications of BBa_K1653006=== | ||
− | + | The following graphs show that overexpressing marA gives resistance against geraniol and decrease intracelluler geraniol concentration. | |
− | '''[https://parts.igem.org/Part:BBa_K1653020 | + | <br>'''[https://parts.igem.org/Part:BBa_K1653020 ''marA'' device BBa_K16530020]''' |
====Export==== | ====Export==== | ||
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====Resistance==== | ====Resistance==== | ||
− | [[File:MarA plate assay yoshiharu did.png|750px|thumb|center|Fig. 2: Colony formation efficiencies of E. coli JM109 engineered with marA on geraniol overlaid plates. | + | [[File:MarA plate assay yoshiharu did.png|750px|thumb|center|Fig. 2: Colony formation efficiencies of ''E. coli'' JM109 engineered with ''marA'' on geraniol overlaid plates. |
− | E. coli JM109 and E. coli JM109 (marA) were spotted on LBGMg agar plates in serial ten-fold dilutions (10⁻¹~10⁻⁵), overlaid with geraniol | + | <br> |
+ | ''E. coli'' JM109 and ''E. coli'' JM109 (''marA'') were spotted on LBGMg agar plates in serial ten-fold dilutions (10⁻¹~10⁻⁵), overlaid with 1.0 % (V/V) geraniol hexane solution (geraniol solution), and incubated at 30°C for 24 h. This figure shows that ''E. coli'' JM109 (''marA'') cells that overexpress the ''marA'' product is more survived on 1.0 % geraniol solution overlay plates than the counterpart control ''E. coli'' JM109 wild type cells. | ||
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− | [[File:MarA plate assay nishikawa last.png|650px|thumb|center|Fig. 3: Comparison of colony numbers after addition of geraniol solution. Time interval for treatment was set every 1 hour from 1 hour to 4 hours. A: ''E. coli'' JM109 (WT) + hexane; B: ''E. coli'' JM109 (''marA'') + hexane; C: ''E. coli'' JM109 (WT) + geraniol; D: ''E. coli'' JM109 (''marA'') + geraniol. | + | [[File:MarA plate assay nishikawa last.png|650px|thumb|center|Fig. 3: Comparison of colony numbers after addition of 0.5 %( V/V) geraniol hexane solution (geraniol solution). |
− | As shown in Figs. 2 A and B, treatment with hexane of ''E. coli'' JM109 (WT) and of ''E. coli'' JM109 (''marA'') showed similar colony numbers during these treatment intervals to those of time zero. | + | <br> |
+ | Time interval for treatment was set every 1 hour from 1 hour to 4 hours. A: ''E. coli'' JM109 (WT) + hexane; B: ''E. coli'' JM109 (''marA'') + hexane; C: ''E. coli'' JM109 (WT) + 0.5 % geraniol solution; D: ''E. coli'' JM109 (''marA'') + 0.5 % geraniol solution. As shown in Figs. 2 A and B, treatment with hexane of ''E. coli'' JM109 (WT) and of ''E. coli'' JM109 (''marA'') showed similar colony numbers during these treatment intervals to those of time zero. This result suggests that hexane at this concentration and duration of time for 4hours did not affect both cell growth. In contrast, treatment with geraniol of ''E. coli'' JM109 (WT) and of ''E. coli'' JM109 (''marA'') showed toxicities to both strains (Figs. 3 B, C and D). If we watch the colony numbers carefully, ''E. coli'' JM109 (''marA'') had more than ''E. coli'' JM109 (WT) during these treatment intervals ((Figs. 3 C and D). These results demonstrate that toxicity of the geraniol was less to the strain ''E. coli'' JM109 (''marA'') than the strain ''E. coli'' JM109 (WT). | ||
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Latest revision as of 14:45, 17 September 2015
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Applications of BBa_K1653006
The following graphs show that overexpressing marA gives resistance against geraniol and decrease intracelluler geraniol concentration.
marA device BBa_K16530020
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Resistance
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