Notebook
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Esterases and Lipases
03.08.2017
- Transformation of BBa_K1149002 and BBa_K1149003
04.08.17
- Single colonies (BBa_K1149002 and BBa_K1149003) are plated on agar plates and incubated at 37 °C over night
09.08.17
- Growing of a single colony (BBa_K1149002 and BBa_K1149003) in 5 mL LB media + chloramphenicol (35 µg/mL) at 37 °C
10.08.17
- Preparation of miniprep (Jena Biosciences Kit) and glycerol stock (storage: -80 °C) (BBa_K1149002 and BBa_K1149003)
- SOC media preparation
- Transformation pet19-LipB
21.08.2017
- Preparation: preliminary test of esterase assay with EstCS2: Bba_K1149002 - preparation of o/n cultures (37°C)
22.08.2017
- Preparation: preliminary test of esterase assay with EstCS2: Bba_K1149002 - glycerol stocks and induction with arabinose
23.08.2017
- Preliminary test of esterase assay with EstCS2: Bba_K1149002 (link results)
28.08.2017
- Preparation of electro-competent cells
31.08.2017
- Transformation/electroporation with iGEM competent cells test kit DNA (o/n incubation, 37°C - transformation failed)
01.09.2017
- Transformation/electroporation with pUC19 plasmid (o/n incubation, 37°C - transformation failed)
06.09.2017-08.09.17
- Enzyme activity assay (cell pellet and supernatant) with BBa_K1149002 and pet19-LipB
12.09.2017
- Preparation of chemo-competent cells
13.09.2017
- Transformation with iGEM competent cells test kit DNA and pUC19 plasmid (o/n incubation, 37°C) - transformation successful
14.09.2017
- Calculation - efficiency of the chemo-competent cells/pUC19:
efficiency E =(56cfu/0.001ng)*1000ng/(µL)=5.6*((10)^7 )cfu/µL
18.09.2017
- Preparation InterLab study - transformation of 8 parts into DH5alph E. coli cells
19.09.17 – 21.09.17
- InterLab study LUDOX measurement
- Enzyme activity assay with BBa_K1149002 of the supernatant - measurement in biological triplicates
- InterLab study Fluorescein measurement
22.09.2017
- InterLab study sample measurement (link results)
27.09.17 - 29.09.17
- Enzyme activity assay with pet19-LipB of the supernatant - measurement in biological triplicates
06.10.2017
- Collaboration iGEM team Heidelberg: preparation mutagenesis plasmid activity assay - preparation of media, antibiotic-stocks and sugar-stocks + agar plates with different antibiotics
10.10.2017
- Collaboration iGEM team Heidelberg: preparation of different cultures + induction of the cells with arabinose (o/n incubation, 37°C)
11.10.2017
- Collaboration iGEM team Heidelberg: spread the o/n cultures on prepared agar plates (o/n incubation, 37°C)
12.10.2017
- Gibson Assembly of LipB in psB1C3 backbone
19.10.2017
- PCR - amplification of LipB - cloning of LipB in the iGEM standard plasmid (BBa_K1149002 is used)
- PCR - amplification of BBa_K1149002 (without EstCS2)
20.10.2017
- SDS page, Gibson Assembly, Transformation (Zymos) - cloning of LipB in the iGEM standard plasmid (BBa_K1149002 is used)
Keratinases
26.07.2017
- Transformation of kerUS (BBa_K1498000)
- Preparation of antibiotic stock solutions: chloramphenicol (35 mg/mL) and ampicillin (100 mg/mL)
27.07.2017
- Growing of a single colony (kerUS (BBa_K1498000)) in 5 mL LB media chloramphenicol (35 µg/mL) at 37 °C
- Single colonies are plated on agar plates and incubated at 37 °C over night
28.07.2017
- Preparation of: miniprep (Jena Biosciences Kit)and glycerol stock (kerUS (BBa_K1498000))
30.08.2017
- Transformation of psB1K3-KerP
30.08.2017
- Transformation of KerUS (BBa_K1498000)
12.10.2017
- Gibson Assembly KerA-ompA, ompA-KerA, KerUS-ompA and ompA-KerUS in psB1C3 backbone
16.10.2017
- Preparation semi-quantitative keratinase-assay: spread kerUS, KerA and KerP on chloramphenicol/kanamycin agar plates (o/n incubation, 37°C)
Preparation skim-milk-plate assay: preparation of skim-milk-agar-plates with chloramphenicol/kanamycin
18.10.2017
- Preparation semi-quantitative keratinase-assay: preparation of o/n cultures (37°C)
Preparation skim-milk-plate assay: preparation of o/n cultures (37°C)
19.10.2017
- Semi-quantitative keratinase-assay: add 0.005 g of dried hair (65 °C, 1h) to o/n cultures (KerUS and KerA are induced with 1mM IPTG before) - 5 days incubation, 37°C (link results)
- Skim-milk-plate assay kerP - spread on prepared skim-milk agar plates (supernatant and cells) - 4 days incubation, room temperature (link results)
20.10.2017
- Skim-milk-plate assay kerUS and KerA - spread on prepared skim-milk agar plates (supernatant and cells) - 4 days incubation, room temperature (link results)
- Sequencing of keratinase plasmids: pSB1C3-KerA-ompA, pSB1C3-KerUS-ompA, pSB1C3-KerA_Kanada and pSB1C3-KerUS-Kanada< /li>
Rose and Limonene Fragrance
28.08.2017
- Preparation of LB-Agar plates with kanamycin (50 µg/mL)
- Sequencing of rose fragrance plasmids from Guo et al. (pET28a-KDC-YjgB-ARO8 and pET28a-ATF1)
13.09.2017
- Overlap-PCR of 1.pBAD (BBa_K206000), 2.KDC-YjgB-ARO8, 3.ATF1 and 4.pBAD-KDC-YjgB-ARO8
- PCR-Purification and agarose-gel-electrophoresis of PCR products
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- PCR 4 (pBAD-KDC-YjgB-ARO8) not successful
19.09.2017
- Preparation of LB-Agar plates with kanamycin (50 µg/mL) and chloramphenicol (35 µg/mL)
- Repeat of PCR 4 (pBAD-KDC-YjgB-ARO8)
- PCR-Purification and agarose-gel-electrophoresis of PCR product 4
- PCR 4 (pBAD-KDC-YjgB-ARO8) not successful
- Transformation of Limonene-plasmid and over-night incubation on agar-plates with kanamycin (50 µg/mL) at 37°C
21.09.2017
- Gibson Assembly of rose PCR-overlap products pBAD, KDC-YjgB-ARO8 and ATF1 in psB1K3 backbone
- Transformation of assembled rose-plasmid and over-night incubation on agar-plates with kanamycin (50 µg/mL) at 37°C
22.09.2017
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- Rose-plasmid Transformation successful
- Single colonies are plated on agar plates and incubated at 37 °C over night
25.09.2017
- Verification of transformed rose-plasmid by colony-PCR
- Agarose-gel-electrophoresis of colony-PCR product - colony-PCR not successful
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26.09.2017
- Repeat of colony-PCR with transformed rose-plasmid
- Agarose-gel-electrophoresis of colony-PCR product - colony-PCR not successful
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27.09.2017
- Repeat of colony-PCR with transformed rose-plasmid
- Agarose-gel-electrophoresis of colony-PCR product - colony-PCR not successful
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28.09.2017
- Mini-prep of transformed rose-plasmid
- Restriction assay of isolated rose-plasmid, cut with SpeI
- Verification of restriction product by agarose-gel-electrophoresis - not successful
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29.09.2017
- Repeat Gibson Assembly of rose PCR-overlap products pBAD, KDC-YjgB-ARO8 and ATF1
- Transformation of assembled rose-plasmid and over-night incubation on agar-plates with kanamycin (50 µg/mL) at 37°C - transformation not successful
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05.10.2017
- Repeat Restriction assay of isolated rose-plasmid, cut with EcoRI - not successful
- Verification of restriction product by agarose-gel-electrophoresis - not successful
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12.10.2017
- Gibson Assembly of limonene PCR-products () in psB1C3 backbone
- Transformation of assembled rose-plasmid and over-night incubation on agar-plates with kanamycin (50 µg/mL) at 37°C - transformation not successful
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18.10.2017
- Repeat of colony-PCR with transformed rose-plasmid, temperature range from 58-70 °C
- Agarose-gel-electrophoresis of colony-PCR product - colony-PCR not successful
- M9 media preparation
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20.10.2017
- Repeat overlap-PCR of pBad and KDC-YjgB-ARO8
- Verification of PCR products by agarose-gel-electrophoresis
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- PCR (pBAD-KDC-YjgB-ARO8) not successful
23.10.2017
- Sequencing of transformed rose fragrance plasmid (pSB1K3-pBad-KDC-YjgB-ARO8-ATF1)
- Sequencing of transformed limonene fragrance plasmid (pSB1C3-pBad)
- Growing of single rose-colonies (pSB1K3-pBad-KDC-YjgB-ARO8-ATF1) in 5 mL LB media with kanamycin (50 µg/mL) at 37 °C over night
24.10.2017
- Collecting rose-plasmid-cells by centrifugation and growing in M9-media to OD(600)=0,8
- Preparation of different cultures (different Phenylalanine-concentrations + induction of the cells with arabinose (o/n incubation, 37°C)
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