Team:UNIPV-Pavia/Calendar/August/week3

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UNIPV TEAM 2011

March
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April
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May
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June
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August
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AUGUST: WEEK 3

August, 16th

Inoculum of T9002-ENTERO4C5 and ENTERO-RBS (1 ml of M9 + Cm12.5) to test again diluted supernatants of E37, E38, E39, E40 and ENTERO4C5.
Inoculum of E41N-1 and J101-4C5 for plasmid purification 6 ml of LB + Cm12.5.
Streak of E32, E33, J101-31, J101-E5 and ENTERO4C5 on an LB-agar plate + Cm12.5 to test and characterize PtetR promoter with different Ribosome Binding Sites (BBa_B0030, BBa_B0031).

August, 17th

E41N-1 and J101-4C5 plasmids were purified with mini Prep kit:

Plasmid DNA (ng/μl)
E41N-1 33.7
J101-4C5 25.4

T9002-ENTERO4C5 and ENTERO-RBS were diluted 1:500 in a final volume and 1 ml of 12 ml M9 + Cm12.5 respectively and grown for 6 hours.
3OC6-HSL was diluted to known concentrations in order to induce T9002-ENTERO4C5 biosensor and obtain a reference curve for the measurements on E37, E38, E39, E40 and ENTERO4C5 supernatants. Supernatants were diluted in M9 + Amp + Cm12.5 in order to obtain 1:500 and 1:200 final dilutions in the 200 μl-well of TECAN microplate.
In the afternoon supernatants were tested; this time results were more precise, even if negative control seemed to inactivate 3OC6-HSL as fast as other cultures.
1.5 μl of J101-4C5 purified DNA was transformed in 100 μl of MGZ1 competent cells.
E32, E33, J101-31, J101-E5 and ENTERO4C5 plate was grown so two colonies for each strain were picked and inoculated in 1 ml of M9 + Cm12.5 for PtetR characterization.
BBa_K300005 was inoculated in 6 ml of LB + Cm34 in order to extract pSB1C3 standard shipping vector.

August, 18th