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Line 144: |
Line 144: |
| *090922 | | *090922 |
| #Part linkage PCR | | #Part linkage PCR |
- | #Linkage PCR condition : 94℃(3’)-[94℃(1’)-53℃(1’)-72℃(3’)]30-72℃(5’)-4℃
| + | ::Linkage PCR condition : 94℃(3’)-[94℃(1’)-53℃(1’)-72℃(3’)]30-72℃(5’)-4℃ |
| + | {| style="color:green; background-color:#ffffcc;" cellpadding="3" cellspacing="0" border="1" |
| + | ! PCR mixture |
| + | ! volume (μl) |
| + | |- |
| + | |Template [PCR products of each part diluted 10-fold]] ||align="center"| 1 |
| + | |- |
| + | |2.5mM dNTP ||align="center"| 4 |
| + | |- |
| + | |forward-primer (10pmol/μl) ||align="center"| 2 |
| + | |- |
| + | |reverse-primer (10pmol/μl) || align="center"| 2 |
| + | |- |
| + | |10x Synergy™ buffer || align="center"| 5 |
| + | |- |
| + | |Synergy™ DNA polymerase [Gene Ctraft Germany] (10U/μl) || align="center"| 0.05 |
| + | |- |
| + | |D.W. || align="center"| 35.5 |
| + | |} |
| + | :2. Result (Figure 3) |
| + | [[Image:KU_Seoul_3.jpg]] |
| + | *090923 |
| + | :1.Cloning of gfp-rfp to pSB3C5 by Infusion Assembly |
| + | ::1) Clean-up of each PCR products by LaboPass™ Gel and PCR Clean-up Kit – elution : 43ul |
| + | ::2) DpnI (10U/μl) reaction of pSB3C5 and pSB3T5 PCR product at 37℃ for 3-h and clean-up – elution : 43ul |
| + | ::3) T4 DNA polymerase reaction of purified PCR products : Incubation at room temperature for 30min |
| + | {| style="color:green; background-color:#ffffcc;" cellpadding="3" cellspacing="0" border="1" |
| + | ! Reaction mixture |
| + | ! volume (μl) |
| + | |- |
| + | |Purified PCR product ||align="center"| 43 |
| + | |- |
| + | |BSA (NEB) (10mg/ml) ||align="center"| 1 |
| + | |- |
| + | |10x NEB buffer 2 ||align="center"| 5 |
| + | |- |
| + | |T4 DNA polymerase (0.6U/μl) || align="center"| 1 |
| + | |} |
| + | ::4) Clean-up – eleution : 40ul |
| + | ::5) 0.8% agarose gel electrophoresis |
| + | |
| + | *090923~090924 |
| + | #Cloning of Pars-gfp-Pznt-rfp to pSB3C5 & PyodA-AMD to pSB3T5 |
| + | ##Annealing & Transformation : 2ul insert + 2ul pSB3 vector at room temperature for 30min |
| + | ##Transformation to E. coli DH5a |
| + | ##Results >> vector only : 2, vector + INS : 4 |
| + | *090925-27, 090929~091001 |
| + | :1. Cloning results |
| + | {| style="color:green; background-color:#ffffcc;" cellpadding="3" cellspacing="0" border="1" |
| + | ! Plate |
| + | ! Number of colonies |
| + | ! Plasmid prep. |
| + | |- |
| + | |pSB3C5 vector || align="center"|2 ||align="center"| 1 |
| + | |- |
| + | |pSB3C5 + Pars-gfp-Pznt-rfp || align="center"|5 ||align="center"| 1/3 |
| + | |- |
| + | |pSB3T5 vector || align="center"|3 ||align="center"| 1 |
| + | |- |
| + | |pSB3T5 + PyodA-AMD || align="center"|14 ||align="center"| 5/6 |
| + | |} |
| + | :2. Plasmid mini prep. & 0.8% agarose gel electrophoresis (Figure 4) |
| + | [[Image:KU_Seoul_4.jpg]] |
| + | *091005~091006 |
| + | #Sequencing by Macrogen |
| + | #Transformation to E. coli DH5a |
| + | *091010~091020 |
| + | #Procedure for detecting Zn2+ and AsO3- & Construction of calibration curve for red fluorescence |
| + | ##E. coli DH5a harboring pSB3C5/Pars-gfp-Pznt-rfp >> inoculation to 5ml LBC broth and incubation at 37℃ for 12h |
| + | ##Inoculation 50ml LBC and incubation to OD600 ~0.5 at 37℃ |
| + | ##Addition of various concentration of Zn2+ (0, 0.25, 0.5, 1, 1.5, 2mM) & AsO3- (0, 0.0625, 0.125, 0.25, 0.5, 0.75, 1mM) to 1ml incubated broth |
| + | ##Incubation for 60min at 37℃ |
| + | ##Detection by Multilabel Plate Reader (FL/LU) (Perkin Elmer) and Microplate Spectrophotometer (Bio-Tek) |
| + | #Procedure for detecting Cd2+ & Construction of calibration curve |
| + | ##E. coli DH5a harboring pSB3T5/PyodA-AMD >> inoculation to 5ml LBT broth and incubation at 37℃ for 12h |
| + | ##Inoculation 50ml LBC and incubation to OD600 ~0.5 at 37℃ |
| + | ##Addition of various concentration of Cd2+ (0, 0.05, 0.1, 0.2, 0.4 and 0.8mM) to 1ml incubated broth and storage at 4℃ |
| + | ##Incubation for 60min at 37℃ and centrifugation at 8,000rpm for 1min |
| + | ##Resuspension to 1ml reaction mixture ( 100mM AAP in 0.1M Tris buffer pH 9.0) and incubation for 10min at 37℃ |
| + | ##Stopped with the addition of 2 mL of 1 % (vol/vol) o-cresol and 0.2 mL of 0.2 % (wt/vol) CuSO4 in 1.6 % (vol/vol) NH4OH. After 10 min of incubation at room temperature |
| + | ##The amount of p-aminophenol was determined by a spectrophotometer (615 nm) |
| + | |
| + | |
| | | |
| |} | | |} |
The Experiments
Materials
- Backbone Plasmids
- Plasmid pSB3C5 with [http://partsregistry.org/Part:BBa_J04450 BBa_J04450] : 2009 Kit Plate 1 [5C]
- Plasmid pSB3T5 with [http://partsregistry.org/Part:BBa_J04450 BBa_J04450] : 2009 Kit Plate 1 [9C]
- Promoters
- Promoter arsR [ParsR], zntA [Pznt] and yodA [PyodA](ref) originated from genomic DNA of Escherichia coli XL-1 Blue
- Protein Coding Sequences
- [http://partsregistry.org/Part:BBa_E0044 Green fluorescent protein(BBa_E0044)] : 2009 Kit Plate 1 [14G]
- [http://partsregistry.org/Part:BBa_E1010 Red fluorescent protein(BBa_E1010)] : 2009 Kit Plate 1 [18F]
- Aryl acylamidase protein(ref) : [http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=Nucleotide&list_uids=227462445&dopt=GenBank new biological part]
- Primers
Template
| Primer
| Sequence
| Length(bp)
|
Plasmid pSB3C5 | pSB3C5_F | gctgctgttTAATAAtactagtagcggccgctgc | 34
|
pSB3C5(+Pars)_R | taataggtgtgaattttgagttggCtctagaagcggccgcga | 42
|
Plasmid pSB3T5 | pSB3T5_F | gacgaaaactacgctgctgctgttTAATAAtactagtagcggccgctgc | 49
|
pSB3T5_R | GTCGGCAATATGAAGctctagaagcggccgcga | 33
|
Promoter yodA | PyodA_F | cggccgcttctagagCTTCATATTGCCGACAAAGTACG | 38
|
PyodA_R | ATGTGACTTACCCATaacAGTTTCCTCCAGAGTCATTG | 38
|
Green fluorescent protein | GR(+Pars)_F | aattcacacctattaccttcctctgcacttacacattcgttaagtcatatATGc | 78
|
gtaaaggagaagaacttttcactg
|
GR(+Pznt)_R | ctggagtcgactccagagtcaagttttatcagagatacagcgagcggacg | 84
|
TCTAGTttattaaacagcagcagcgtagttttcg
|
Red fluorescent protein
| RF(+Pznt)_F | tgataaaacttgactctggagtcgactccagagtgtatccttcggttaatATG | 75
|
gcttcctccgaagacgttatca
|
RF(+AAV tag)_R | TTATTAaacagcagcagcgtagttttcgtcgtttgctgcAgcaccggtgg | 59
|
agtgacgac
|
Aryl acylamidase
| AMD_F | CTGGAGGAAACTGTTatgGGTAAGTCACATTCGCCAG | 37
|
AMD(+AAV tag)_R | TTATTAaacagcagcagcgtagttttcgtcgtttgctgcCAGGGGC | 55
|
CGTCCGGCG
|
- Chemicals
- Acetaminophen (Sigma)
- CdCl2∙H2O (Junsei)
- ZnCl2 (Sigma)
- KH2AsO3 (Sigma)
- Luria-Bertani broth & Bacto agar (Difco)
- o-Cresol (Sigma)
- CuSO4∙5H2O (Sigma)
Experiment Dairy
- Streaking of E. coli XL-1 Blue
- Preparation of LB plate (containing 100μg/ml ampicillin, 12.5μg/ml tetracycline, 50μg/ml kanamycin and 25μg/ml chloramphenicol of final concentration, respectively) & dry in 37℃ incubator for 12 hours
- Inoculation of E. coli DH5a to 5ml LB broth for preparation of competent cell
- Design of cloning primers & ordering the primers
- Inoculation of E. coli XL-1 Blue to 2ml LB broth for genomic DNA extraction
- Preparation of E. coli DH5a competent cell (based on BSGC protocol)
- Transformation for amplification of BioBrick parts (BBa_E0044, BBa_E1010, pSB3C5 and pSB3T5) (based on BSGC protocol)
- Genomic DNA extraction of E. coli XL-1 Blue by AccuPrep® Genomic DNA Extraction Kit
- Inoculation of colonies to 2ml LBAmp(BBa_E0044), LBKan(BBa_E1010), LBCm(pSB3C5) and LBTet(pSB3T5) broth
- Plasmid extraction of each part by LaboPass™ Mini Plasmid DNA Purification Kit
- 0.8% agarose gel electrophoresis (Figure 1)
- PCR of BioBrick Parts
- General PCR condition : 94℃(3’)-[94℃(1’)-53℃(1’)-72℃(3’)]30-72℃(5’)-4℃
PCR mixture
| volume (μl)
|
Template (mini prep. samples of plasmid : aryl acylamidase, rfp, gfp and PyodA) | 1
|
2.5mM dNTP | 4
|
forward-primer (10pmol/μl) | 2
|
reverse-primer (10pmol/μl) | 2
|
10x Synergy™ buffer | 5
|
Synergy™ DNA polymerase [Gene Ctraft Germany] (10U/μl) | 0.5
|
D.W. | 35.5
|
- Hot start PCR condition : 95℃(15’)-[95℃(1’)-53℃(1’)-72℃(3’)]30-72℃(10’)-4℃
PCR mixture
| volume (μl)
|
Template [mini prep. samples of plasmid : pSB3C5 and pSB3T5] | 1
|
2.5mM dNTP | 4
|
forward-primer (10pmol/μl) | 2
|
reverse-primer (10pmol/μl) | 2
|
10x Synergy™ buffer | 5
|
5x Q-solution | 10
|
Hot start taq™ (Qiagen) (5U/μl) | 0.05
|
D.W. | 25.5
|
- 2. Result (Figure 2)
- Part linkage PCR
- Linkage PCR condition : 94℃(3’)-[94℃(1’)-53℃(1’)-72℃(3’)]30-72℃(5’)-4℃
PCR mixture
| volume (μl)
|
Template [PCR products of each part diluted 10-fold]] | 1
|
2.5mM dNTP | 4
|
forward-primer (10pmol/μl) | 2
|
reverse-primer (10pmol/μl) | 2
|
10x Synergy™ buffer | 5
|
Synergy™ DNA polymerase [Gene Ctraft Germany] (10U/μl) | 0.05
|
D.W. | 35.5
|
- 2. Result (Figure 3)
- 1.Cloning of gfp-rfp to pSB3C5 by Infusion Assembly
- 1) Clean-up of each PCR products by LaboPass™ Gel and PCR Clean-up Kit – elution : 43ul
- 2) DpnI (10U/μl) reaction of pSB3C5 and pSB3T5 PCR product at 37℃ for 3-h and clean-up – elution : 43ul
- 3) T4 DNA polymerase reaction of purified PCR products : Incubation at room temperature for 30min
Reaction mixture
| volume (μl)
|
Purified PCR product | 43
|
BSA (NEB) (10mg/ml) | 1
|
10x NEB buffer 2 | 5
|
T4 DNA polymerase (0.6U/μl) | 1
|
- 4) Clean-up – eleution : 40ul
- 5) 0.8% agarose gel electrophoresis
- Cloning of Pars-gfp-Pznt-rfp to pSB3C5 & PyodA-AMD to pSB3T5
- Annealing & Transformation : 2ul insert + 2ul pSB3 vector at room temperature for 30min
- Transformation to E. coli DH5a
- Results >> vector only : 2, vector + INS : 4
- 1. Cloning results
Plate
| Number of colonies
| Plasmid prep.
|
pSB3C5 vector | 2 | 1
|
pSB3C5 + Pars-gfp-Pznt-rfp | 5 | 1/3
|
pSB3T5 vector | 3 | 1
|
pSB3T5 + PyodA-AMD | 14 | 5/6
|
- 2. Plasmid mini prep. & 0.8% agarose gel electrophoresis (Figure 4)
- Sequencing by Macrogen
- Transformation to E. coli DH5a
- Procedure for detecting Zn2+ and AsO3- & Construction of calibration curve for red fluorescence
- E. coli DH5a harboring pSB3C5/Pars-gfp-Pznt-rfp >> inoculation to 5ml LBC broth and incubation at 37℃ for 12h
- Inoculation 50ml LBC and incubation to OD600 ~0.5 at 37℃
- Addition of various concentration of Zn2+ (0, 0.25, 0.5, 1, 1.5, 2mM) & AsO3- (0, 0.0625, 0.125, 0.25, 0.5, 0.75, 1mM) to 1ml incubated broth
- Incubation for 60min at 37℃
- Detection by Multilabel Plate Reader (FL/LU) (Perkin Elmer) and Microplate Spectrophotometer (Bio-Tek)
- Procedure for detecting Cd2+ & Construction of calibration curve
- E. coli DH5a harboring pSB3T5/PyodA-AMD >> inoculation to 5ml LBT broth and incubation at 37℃ for 12h
- Inoculation 50ml LBC and incubation to OD600 ~0.5 at 37℃
- Addition of various concentration of Cd2+ (0, 0.05, 0.1, 0.2, 0.4 and 0.8mM) to 1ml incubated broth and storage at 4℃
- Incubation for 60min at 37℃ and centrifugation at 8,000rpm for 1min
- Resuspension to 1ml reaction mixture ( 100mM AAP in 0.1M Tris buffer pH 9.0) and incubation for 10min at 37℃
- Stopped with the addition of 2 mL of 1 % (vol/vol) o-cresol and 0.2 mL of 0.2 % (wt/vol) CuSO4 in 1.6 % (vol/vol) NH4OH. After 10 min of incubation at room temperature
- The amount of p-aminophenol was determined by a spectrophotometer (615 nm)
|