The samples were incubated for 2 h at RT.
Transformation into E. coli DH5α ( 30 min ice, 60 sec 42°C, 60 sec ice, 45 min 37°C + 1 ml LB), plated on LBamp, oN 37°C.
Gel substances
We receive all expected fragments.
Colony PCR is successful.
Colonies 1-3 + 5 inoculated in 5 ml LBamp, oN 37°C.
Miniprep of the liquid cultures (“QIAprep Spin Miniprep Kit” (Qiagen, Düsseldorf)), eluted in 30 µl H2O.
Mutagenesis PCR for point mutation in PvuII-site of K3 and K5.
Mutagenesis PCR for point mutation in EcoRI-site of K3 and K5.
Transformation of products of the second PCR into E. coli DH5α ( 30 min ice, 60 sec 42°C, 60 sec ice, 45 min 37°C + 1 ml LB), plated on LBamp, oN 37°C.
PCR of iBB1 (pre- and suffix), iBB6 (pre- and suffix), and iBB2 (mutagenesis of PvuII-site), second PCR of iBB2 (mutagenesis of EcoRI-site), iBB7 (pre- and suffix) and iBB8 (pre- and suffix). All done with analog mix and program. Primers vary.
Digestion of pSB1C3 J04450 (2012) with EcoRI and PstI.
Lanes 2 and 3 contained bands at expected height.
Samples 2 and 3 are successful.
Transformation of the PCR-product of iBB2 into E. coli DH5α (30 min ice, 60 sec 42°C, 60 sec ice, 45 min 37°C + 1 ml LB), plated on LBamp, oN 37°C.
IBB3 and iBB4: point mutations correct.
PCR with iBB3 and iBB4 (pre- and suffix).
Band 3 shows a band at the expected heigt, band 4 lies to low, whereas the other two samples are hard to evaluate.
Mutagenesis of iBB7 (band 3) is positive.
The relevant fragment is cut from the gel and then purified via “Qiagen Gel Extraction Kit” (Qiagen, Düsseldorf). Elution into 20 µl elution buffer.
PCR of iBB1 repeated like 08.04.13.
Transformation of pSB1C3 J04450 into E. coli DH5α (30 min ice, 60 sec 42°C, 60 sec ice, 60 min 37°C + 1 ml LB), plated on LBCM, oN 37°C.
The relevant fragments were cut from the gel and then purified via “Qiagen Gel Extraction Kit” (Qiagen, Düsseldorf). Elution into 20 µl elution buffer.
Some colonies of pJet1.2 iBB2 inoculated in 5 ml LBamp and pSB1C3 J04450 inoculated in 5 ml LBCM, oN 37°C.
Miniprep of pJet1.2 iBB2 and pSB1C3 J04450 (“QIAprep Spin Miniprep Kit” (Qiagen, Düsseldorf)), eluted in 25 µl H2O.
The samples were incubated for 2 h at 37° C.
All positive.
Expectations
Digestion of iBB1, iBB2, iBB4, iBB5, iBB7 and iBB8.
Dephosphorylation of pSB1C3 and testligation with iBB5.
Transformation of pSB1C3 iBB5 into E. coli DH5α (30 min ice, 60 sec 42°C, 60 sec ice, 60 min 37°C + 1 ml LB), plated on LBCM, oN 37°C.
Digestion of iBB3 and iBB6.
Inoculation of pSB1C3 J04450 in LBCM, oN 37°C.
Miniprep of the liquid cultures (“QIAprep Spin Miniprep Kit” (Qiagen, Düsseldorf)), eluted in 25 µl H2O.
Ligation of iBB1, iBB3, iBB4, iBB5, iBB6, iBB7 and iBB8 into pSB1C3.
Ligation of empty pSB1C3.
Reason: Transformation of iBB8 failed, PCR of iBB8 repeated.
Miniprep of iBB1, iBB3, iBB4, iBB5, iBB6 and iBB7 (“QIAprep Spin Miniprep Kit” (Qiagen, Düsseldorf)), eluted in 25 µl H2O.
Control digestion of iBB1, iBB3, iBB4, iBB5, iBB6 and iBB7.
Ligation of iBB2 and iBB8 into pSB1C3, oN 16° C.
Transformation of pSB1C3 iBB2 and pSB1C3 iBB8 into E. coli DH5α (30 min ice, 60 sec 42°C, 60 sec ice, 60 min 37°C + 1 ml LB), plated on LBCM, oN 37°C.
PSB1C3 iBB1, iBB3, iBB4, iBB5, iBB6 and iBB7 sent for sequencing.
2 colonies of pSB1C3 iBB2 and iBB8 inoculated in 5 ml LBCM, oN 37° C.
1C3 iBB1 K1 + K2 correct
1C3 iBB4 K1 + K2 correct
1C3 iBB7 K3 + K4 correct
1C3 iBB5 K1 + K2 Mutagenesis of XhoI-Site failed, only necessary for iGEM-standard 10 → unnecessary, rest correct
1C3 iBB3 K1 + K2 same point-Mutation → template?
1C3 iBB6 K1 + K2 same point-mutation → template?
Original pPhaNR was sent to sequencing using primers imR25/26 for iBB3 and iBB6.
PSB1C3 iBB8 K1 and pSB1C3 iBB2 K1-4 were isolated via Miniprep (“QIAprep Spin Miniprep Kit” (Qiagen, Düsseldorf)), eluted in 40 l Elutionbuffer.
The samples were incubated for 1 h at 37° C.
IBB8 negative, iBB2 all positive.
IBB2 K2 + K4 sequenced with primer VF2_fwd and VR_rev.
The relevant fragments were cut from the gel and then purified via “Qiagen Gel Extraction Kit” (Qiagen, Düsseldorf). Elution into 30 µl H2O.
The samples were incubated overnight at 16° C.
The complete ligation sample was mixed with one aliquot of chemo-competent E. coli DH5α cells (50 µl) and incubated for 30 min on ice. The heatshock was performed sec at 42° C for 60 and cells were then incubated at 37° C for 1 h with 900 µl LB. The sample was concentrated and plated on LB containing chloramphenicol. The plate was incubated for two days at 28° C .
2xNR HC + LC retransformed as transcribed above. Plated on LB containing ampicillin.
Sequencing of iBB2 K2 + K4 failed (possibly secondary structure).
Sequenced again with primer cat_int_rev.