Team:Freiburg/Labjournals/Cloning/June

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Cloning

2015/06/01

Primers (RE)

  • solved according to Sigma's instructions
  • 1:10 dilution

Transformation

  • pET22b+ into E. coli TOP10

2015/06/02

Mini-Prep (RE)

  • 5x 5 ml liquid culture (pEt22b+ in E. coli TOP10)
  • Biozym-Kit
  • eluted into 30 µl dH2O (1, 3, 5 into one tube; 2, 4 into another)

Nano-Drop: 109.6 ng/µl and 95.0 ng/µl

2015/06/03

PCR (LS/RE)

  • Salmonella antigens
  • 2x 50 µl reactions for each antigen
Templateconcentration [ng/µl]fwd primerrev primer
pIG15_1501 122 oIG15_1501f oIG15_1502r
pIG15_1601 150 oIG15_1601f oIG15_1602r
ingredientamount [µl]
GC-Buffer 10 µl
fwd Primer 2.5 µl
rev Primer 2.5 µl
dNTP 1 µl
DMSO 1.5 µl
Phusion 0.5 µl
dH2O 32 µl
Template (~25 ng) 0.2 µl

Cycling conditions:

StepTemperature [°C]Duration [s]
Initial denaturation 92 180
Denaturation 92 20
Annealing 60 20
Extension 72 45
Final extension 72 600

PCR (LS/RE)

  • pET22b+ (109.6 ng/µl)
  • 2x 50 µl reactions
  • fwd primer: pIG15_031f
  • rev primer: pIG15_030r
ingredientamount [µl]
GC-Buffer 10 µl
fwd Primer 2.5 µl
rev Primer 2.5 µl
dNTP 1 µl
DMSO 1.5 µl
Phusion 0.5 µl
dH2O 32 µl
Template (~25 ng) 0.2 µl

Cycling conditions:

StepTemperature [°C]Duration [s]
Initial denaturation 92 180
Denaturation 92 20
Annealing 60 20
Extension 72 90
Final extension 72 600

repetition of the PCR (RE)

changes compared to before:

  • annealing temperature: gradient 55-72°C
  • denaturation: 98°C

2015/06/04

  • agarose gel with PCR from last night (Salmonella antigens 15 and 16 and pET igem Style) (LS)

  • cut out correct bands
  • clean up of PCR fragments with clean-up kit from Qiagen
  • concentrations:
  • Salmonella antigen 15
  • Salmonella antigen 16
  • pET22b+iGEM Style

Restriction digest with BamHI and HindIII (LS)

  • Salmonella antigen 15
  • Salmonella antigen 16
  • pIG15_1701 (1) (HIV)
  • pIG15_1801 (3) (Tpf1)
  • pIG15_601 (Rubella)
DNA30µl
BamHI1µl
HindIII 1µl
Cut Smart buffer 4µl
dH2O4µl
  • incubation at 37°C for 1 h

PCR for pET22iGEM Style (RE)

  • will be filled in tomorrow

Agarose-gel for digest with BamHI and HIndIII (LS)

  • will be filled in tomorrow

2015/06/05

PCR (JN)

  • pIG15_1501 (122.9 ng/µl)
  • 3x 50 µl reactions
  • fwd primer: pIG15_1501f
  • rev primer: pIG15_1502r
ingredientamount [µl]
GC-Buffer 40 µl
fwd Primer 10 µl
rev Primer 10 µl
dNTP 4 µl
DMSO 6 µl
Phusion 2 µl
dH2O 127 µl
Template (~25 ng) 0.33 µl

Cycling conditions:

StepTemperature [°C]Duration [s]
Initial denaturation 98 180
Denaturation 98 20
Annealing 57 20
Extension 72 45
Final extension 72 600

25 cycles

Mini-Prep (RE)

  • pET22b+ iGEM style (Gibson)
  • pIG15_1701 and _1801 (Re-Trafo)
  • Biozym-Kit
  • eluted in 30 µl dH2O

Nano-Drop:

Plasmidc [ng/µl]
pET22b+ iGEM style - 1 66.2
pET22b+ iGEM style - 2 59.1
pET22b+ iGEM style - 3 73.1
pET22b+ iGEM style - 4 67.0
pET22b+ iGEM style - 5 72.8
pET22b+ iGEM style - 6 40.7
pIG15_1701 - 1 178.8
pIG15_1702 - 2 212.1
pIG15_1801 - 1 167.1
pIG15_1801 - 2 156.0

Test-Digest (RE)

  • pET22b+ iGEM style constructs 1-6
ingredientamount [µl]
DNA 8
PstI-HF 1
AflII 1
CutSmart 2
dH2O 8

–> incubation for 1 h at 37°C

analysis on 1% agarose gel:

PCR of antigen 15 (Salmonella). Expected fragment size: ~1700 bp. The amplified fragment is far too short.
Test-Digest of pET22b+ iGEM style (Gibson). Expected fragment sizes: ~4100 bp and ~1300 bp. Clone 1 shows the correct fragment sizes and will be sequenced

2015/06/06

PCR (RE)

  • amplification of antigen 8 (Herpes simplex) flanked with N-terminal 6xHis-tag and C-terminal Spy-tag
[µl]
pIG15_801 0.5
oIG15_803f 10
oIG15_804r 10
Buffer 40
dNTP 4
DMSO 6
Phusion 2
dH2O 127.5

Cycling conditions:

T [C] t [s]
initial denaturation 98 180
denaturation 98 20
annealing 60 20
extension 72 20
final extention 72 600

Digest (RE)

  • pIG15_001-A with AflII and Acc65I to insert a double tagged antigen
[µl]
Acc65I 1
AflII 1
Buffer 3.1 2
DNA 5
dH2O 11

2015/06/07

Miniprep (LS)

  • pETiGEM Style clones
pETiGEMStyle 7 58,1
pETiGEMStyle 8 71,1
pETiGEMStyle 9 66,6
pETiGEMStyle 10 62,8
pETiGEMStyle 11 64,1
pETiGEMStyle 12 24,2
  • Retrafo pIG15_001A (265,8ng/µl)

Digest (LS)

  • pETiGEM Style: PstIHf + AflII
10µlDNA
1µlPstIHf
1µl AflII
2µl Cut Smart Buffer
6µl dH2O
  • pIG15_001A: Acc65I + AflII
5µl DNA
1µl Acc65I
1µl AflII
2µl Buffer 2.1
11µl dH2O
  • incubation at 37°C for 1h
  • analysis on 1% agarose gel (RE)
  • no bands on any lane

PCR for Salmonella antigen 15 (RE)

pIG15_15010.2µl
oIG15_1501f 2.5µl
oIG15_1502r 2.5µl
Buffer 20µl
dNTPS 2µl
DMSO 3µl
Phusion 1µl
dH2O 64µl

–>2×50µl

cycling conditions

initial denaturation 98°C 180s
denaturation 98°C 20s
annealing 63°C 20s
extension 72°C 45s
final extension 72°C 10min
4°C infinity

–>analysis 1% agarose gel: successful amplification of ~1700bp fragment

2015/06/08

Mini-Prep (JN)

  • pET22b+ iGEM style (Gibson)
  • Biozym-Kit
  • eluted in 30 µl dH2O

Nano-Drop:

Plasmidc [ng/µl]
pET22b+ iGEM style - 13 105.7
pET22b+ iGEM style - 14 111.7
pET22b+ iGEM style - 15 92.7
pET22b+ iGEM style - 16 123.8
pET22b+ iGEM style - 17 99.4
pET22b+ iGEM style - 18 91.3

Test-Digest (JN)

  • pET22b+ iGEM style constructs 13-18
ingredientamount [µl]
DNA 5
PstI-HF 1
BamHI 1
CutSmart 2
dH2O 11

–> incubation for 1 h at 37°C

analysis on 1% agarose gel:

Gel-Ex (JN)

  • gel extraction of 1501 (Salmonella) PCR product from 2015/06/07
  • Qiagen Kit, elution with 25µl H2O
  • concentration: 8.6 ng/µl

PCR (JZ)

  • Salmonella antigen 15
  • according to the PCR protocol from 2015/06/07 (RE)

Transformation (JZ)

  • 3 clones of pET22 iGEM style (13, 14 and 16) into E. coli TOP10

2015/06/09

Digest (RE)

  • Salmonella antigen 15 PCR products (unpurified)
  • enzymes were added directly to the PCR mix
  • BamHI, HindIII and DpnI –> 1 µl each
  • 5 µl CutSmart buffer

analysis on 1% agarose gel (JN):

  • expected 1700 bp fragments on lane 1 and 2
  • excised to be extracted from the gel
PCR Salmonella antigen 15 (1700bp)

2015/06/10

Gel-Ex (RE)

  • Salmonella antigens (BamHI, HindIII and DpnI digested)
  • Qiagen-Kit
  • eluted in 20µl water (10min, 40°C, 300rpm)
  • concentration: 70,7 ng/µl

PCR for pET22iGEm Style (LS)

  • template: pET22b+ (109,7ng/µl)
  • Primer: oIG15_030f and oIG15_031r
buffer (high GC)30µl
fwd primer 7,5µl
rev primer 7,5µl
dNTPs 3µl
DMSO 4,5µl
dH2O 95,3µl
Phusion polymerase 1,5µl
template 0,75µl
98°C3min
98°C20s
60°C20s
72°C2min
72°C10 min
4°Cinfinity

–> 25 cycles

PCR for pET22iGEMStyle did not work. Expected band length ~5500bp.






















Repetition of the PCR for pET22 iGEM style (RE)

  • template: pET22b+ (95 ng/µl)
  • Primer: oIG15_030f and oIG15_031r
buffer (high GC) 30 µl
fwd primer 7.5 µl
rev primer 7.5 µl
dNTPs 3 µl
DMSO 4.5 µl
dH2O 92.5 µl
Phusion 1.5 µl
template 1.5 µl

–> 3x 50 µl

98°C 180 s
98°C 20 s
57°C 20 s
72°C 100 s
72°C 600 s
4°C infinite

–> 25 cycles

Digest of the PCR products (RE)

  • 5.5 µl CutSmart
  • 1 µl DpnI
  • 1 µl BamHI
  • directly added to the PCR mix
  • 1 h at 37°C; 15 min at 65°C

1% agarose gel:

Expected fragment size ~5400 –> PCR did not work…





























Repetition of the PCR for pET22 iGEM style (RE)

  • template: pET22b+ (95 ng/µl)
  • Primer: oIG15_030f and oIG15_031r
buffer 20 µl
fwd primer 5 µl
rev primer 5 µl
dNTPs 2 µl
DMSO 4 µl
dH2O 62 µl
Phusion 1 µl
template 0.8 µl

–> 2x 50 µl

98°C 180 s
98°C 30 s
63°C 20 s
72°C 240 s
72°C 600 s
4°C infinite

–> 25 cycles

2015/06/11

Digest of the PCR products (RE)

  • 5.5 µl CutSmart
  • 1 µl DpnI
  • 1 µl BamHI
  • directly added to the PCR mix
  • 1 h at 37°C; 15 min at 65°C

2015/06/12

Gel-ex: pET22b+iGEMStyle in two fragments (LS)

  • excision of bands from agarose gel
  • clean-up with Qiagen kit
  • concentrations:
  • fragment 1: 8,7 ng/µl
  • fragment 2: 114,5 ng/µl

PCR for pET22b+iGEMStyle fragment 1 (RE)

Buffer30µl
oIG15_030 7,5µl
pUC_ori 7,5µl
dNTPs 3µl
DMSO 4,5µl
Phusion polymerase 1,5µl
dH2O 96µl
pET22b+ 0,75µl
  • 3x 50 µl
  • cycling as above
  • annealing temperature: 56°C

Gel-ex for fragment 1 of pET22b+iGEMStyle (LS)

  • excision of fragment from agarose-gel
  • clean-uo with qiagen-kit
  • concentration: 109,5 ng/µl

Digest of fragment 1 and 2 with PciI and Acc65I (LS)

18µl DNA
1µl PciI
1µl Acc65I
5µl buffer 3.1
2,5µl dH2O
  • incubation at 37°C for 1h
  • clean-up through agarose-gel/gel-ex wih qiage-kit
  • concentrations:
  • fragment 1: 18,1 ng/µl
  • fragment 2: 9,0 ng/µl

Ligation of fragment 1 and fragment 2 (LS)

3µl fragment 1
18µl fragment 2
2,5µl T4 DNA ligase buffer
1µl T4 DNA ligase
3µl dH2O
  • incubation at 16°C o/n

2015/06/13

Transformation: Ligation of fragment 1 and 2 in E.coli T10 (LS)

  • 10µl of ligation
  • transformtion according to protocol
  • plated on LB-Amp
  • incubation at 37°C

PCR (RE)

  • two fragments for pET22b iGEM style
templatefwd primerrev primer
pET22b+ pUC_ori oIG15_030r
pET22b+ oIG15_031f pDrev4
Template 0.5 µl
fwd primer 5
rev primer 5
High GC Buffer 20
dNTPs 2
DMSO 3
Phusion pol. 1

–> 2 * 50 µl per fragment

cycling:

98°C 210 s
98 30
56 20
72 120
72 600
4 infinite

–> 20 cycles

Digest of the PCR products (RE)

  • 1 µl DpnI
  • 5.5 µl CutSmart Buffer
  • directly added into the PCR mix
  • 1 h at 37°C; 15 min at 65°C

2015/06/14

Q5 PCR (RE)

  • two fragments for pET22b iGEM style
  • template and primers as for phusion PCR above
2x Q5 MaserMix 75 µl
fwd primer 7.5 µl
rev primer 7.5 µl
dH2O 59 µl
Template 1 µl

–> 3x 50 µl per fragment

Gel-Ex (RE)

  • Qiagen-Kit
  • two fragments for pET22b iGEM style
  • eluted in 20 µl dH2O

Nano-Drop:

  • fragment 1: 264 ng/µl
  • fragment 2: 305.8 ng/µl

2015/06/15

Test Digest of pET22b+_iGEMstyle1+2 (JN)

Expected fragment sizes ~1400bp and ~4100bp → did not work

Repetition of PCR for the two fragments of pET22b+iGEM Style (LS)

2xQ5 MM 98µl
fwd primer 9,8µl
rev primer 9,8µl
dH2O 77,3µl
pET22b+1,8µl
  • 4×50µl per fragment
  • cycling conditions as before
  • analysis on 1% agarose gel:
  • fragment one (two bands???)

upper band: 11,5ng/µl

lower band: 18,9ng/µl

  • fragment two:

62,6ng/µl

Digest (RE)

  • Q5 PCR products
  • 5 µl NEB Buffer 3.1
  • 1 µl PciI (Toolbox)
  • 1 µl Acc65I
  • 12 µl dH2O

agarose gel –> TOTAL DESTRUCTION…

2015/06/16

PCR for pET22b+iGEM Style as one fragment (LS)

  • Q5 polymerase
2xQ5MM75µl
oIG15_030f7,5µl
oIG15_031r7,5µl
dH2O59,4µl
pET22b+0,6µl
98°C3min
98°C30s
56°C20s
72°C4min
72°C10min
4°C
  • KOD polymerase
KOD MM 25µl
oIG15_030f 1,5µl
oIG15_031r 1,5µl
DMSO 2,5µl–>only in one mix
dH2O 22/19,5µl
95°C2min
95°C20s
50°C10s
70°C2,5min
70°C2,5min
4°C

–>30 cylcles each

  • analysis on 1%agarose gel
  • Q5 polymerase did not work
  • KOD polymerase did work!!!
  • concentrations:
  • KOD polymerase: 119,1ng/µl

Gel-Ex (RE)

  • KOD polymerase PCR product
  • Qiagen-Kit
  • eluted in 30 µl dH2O
  • Nano-Drop: 119.1 ng/µl

Digest (RE)

  • KOD polymerase PCR products
12
DNA 7 µl 7 µl
CutSmart 5 µl 5 µl
dH2O 35 µl 36 µl
DpnI 1 µl 1 µl
BamHI 1 µl -

Gel-Ex (RE)

  • digest products
  • fragment length ~5400 bp
  • Qiagen-Kit
  • eluted in 20 µl dH2O
  • DpnI digested: 12.1 ng/µl
  • DpnI/BamHI digested: 13.1 ng/µl

Ligation (RE)

  • 9 µl pET22b (DpnI/BamHI digested)
  • 2 µl T4 ligase buffer
  • 1 µl T4 ligase
  • 8 µl dH2O
  • 16°C o/n

Gibson: fragment 1 and fragment 2 for pET22b+iGEMStyle (LS)

  • 5µlDNA mix:
fragment 14,85µl
fragment 20,15µl
  • added 15µl Gibson mix
  • incubation at 50°C for 1h
  • transformation in E.coli T10

Gibson: 1fragment from KOD polymerase without Dpn1 digest (LS)

  • 5µl of fragment after gel-ex
  • 15µl of Gibson Mix
  • transformation in E.coli T10

2015/06/17

Transformation (RE)

  1. Ligation product (10 µl)
  2. 1 fragment gibson

–> pET22 iGEM style

6 clones of pET22 iGEM style picked (1 fragment Gibson w/o DpnI digest (2015/07/16 LS))

Mini-Prep of 1-fragment Gibson for pET22b+iGEM Style without DpnI digest (LS)

  • mini-prep with Biozyem kit
  • concentrations:
pET22b+iGEMStyleG-122,8ng/µl
pET22b+iGEMStyleG-234,3ng/µl
pET22b+iGEMStyleG-440,8ng/µl
pET22b+iGEMStyleG-548,7ng/µl
pET22b+iGEMStyleG-653,3ng/µl

2015/06/18

Test-Digest (RE)

  • 6 clones of pET22 iGEM style from yesterday
  • digested with PstI and AflII
  • expected fragment sizes: 1300 and 4100 bp

Mini-Prep (LS)

  1. Ligation of pET22b+iGEMStyle
  2. 1-fragment Gibson of pET22b+iGEMStyle after DpnI digest
  3. 2-fragment Gibson of pET22b+iGEMStyle (fragment1 plus fragment 2)
Ligation 1-fragment Gibson 2-fragment Gibson
181,4191,8192,1
278,9271,2259,1
367,0346,9377,2
4104,34120,84141,6
575,9570,85108,7
681,6672,2682,4

Test-Digest (JN)

ingredientamount [µl]Master Mix x19 [µl]
DNA 5 -
PstI-HF 1 19
AflII 1 19
CutSmart 2 38
dH2O 11 209

–> incubation for 1 h at 37°C

analysis on 1% agarose gel:

expected fragment sizes ~1300bp and ~4100bp –> IT WORKED!!!
expected fragment sizes ~1300bp and ~4100bp –> IT WORKED!!!

2015/06/19

Primer Annealing: oIG15_034f and oIG15_035r (LS)

  • 5µM primer concentration: 10µl of 1:10 dilution of each primer plus 2µl NEB buffer 3
  • 2,5µM primer concentration: 5µl of 1:10 dilution of each primer plus 2µl NEB buffer 3 plus 10µl dH2O
  • 5 minutes at 95°C
  • slow cooling down (~1h)

Sequencing results pET22 iGEM (RE)

clone primer result
ligation 1 pBR3 correct
pET-RP mistake in lacI(?)
pGL3-1 no seq. result
ligation 4 pBR3 correct
pET-RP correct
pGL3-1 no seq. result
Gibson+ 1 pBR3 correct
pET-RP correct
pGL3-1 no seq. result
Gibson+ 4 pBR3 correct
pET-RP correct
pGL3-1 no seq. result

Trafo (RE)

  • pET22 iGEM Gibson+4 in E.coli TOP10

Digest (RE)

  • pET22 iGEM with BamHI and AflII
  • pIG15_803-A with BamHI and AflII
  • pET22b+ with BamHI and NotI
pET22 iGEM pIG15_803-A pET22b+
DNA 9 µl (~1 µg) 20 µl (~2.5 µg) 10 µl (~1 µg)
Enzyme 1 1 µl 2 µl 1 µl
Enzyme 2 1 µl 2 µl 1 µl
CutSmart 5 µl 5 µl 5 µl
dH2O 34 µl 21 µl 33 µl
Expected fragment size of the backbone ~5400 bp can be seen

2015/06/20

Re-trafo (RE)

  • pET22b+
  • pIG15_001-A
  • pIG15_002-A
  • pIG15_803-A
  • pIG15_001
  • pIG15_002
  • pIG15_403
  • pIG15_803

PCR (RE)

  • 804 –> Herpes simplex antigen with N-term. 6xHis-tag and C-term. Spy-tag
Buffer (GC) 30 µl
dNTPs 3 µl
DMSO 4 µl
Phusion 1.5 µl
dH2O 94.75 µl
Temp (pIG15_801) 1.25 µl
fwd (oIG15_803f) 7.5 µl
rev (oIG15_804r) 7.5 µl

–> 3x 50 µl

Cycling:

98°C 180 s
98°C 20 s
60°C 20 s
72°C 20 s
72°C 600 s
4°C infinite
Primer dimers


repeated PCR (RE)

Buffer (GC) 24 µl
dNTPs 2.4 µl
DMSO 3.6 µl
Phusion 1.2 µl
dH2O 75.6 µl
Temp (pIG15_801) 1.2 µl
fwd (oIG15_803f) 6 µl
rev (oIG15_804r) 6 µl

–> 6x 20 µl

Cycling:

98°C 180 s
98°C 20 s
gradient: 55-72°C 20 s
72°C 20 s
72°C 600 s
4°C infinite
Primer dimers


repeated PCR (RE)

Buffer (GC) 24 µl
dNTPs 2.4 µl
DMSO 3.6 µl
Phusion 1.2 µl
dH2O 91.6 µl
Temp (pIG15_801) 1.2 µl
fwd (oIG15_803f) 3 µl
rev (oIG15_804r) 3 µl

–> 6x 20 µl

Cycling:

98°C 180 s
98°C 20 s
gradient: 50-72°C 20 s
72°C 20 s
72°C 600 s
4°C infinite
Primer dimers

2015/06/20

(JE) Digested the following antigens: pIG15_301

pIG15_401

pIG15_501

pIG15_601

pIG15_701

pIG15_801

pIG15_901

pIG15_1001

pIG15_1101

pIG15_1201

pIG15_1701

pIG15_1801

Digest with:

BamH1-HF 1 µl
Hind3-HF 1 µl
CutSmart 10 µl
DNA 5 µl (~1 µg)
ddH20 33 µl

(JE) Analysed the digest on 1% agarose gel:

Fragment sizes (bp) of the antigens:

pIG15_301 1066
pIG15_401 1066
pIG15_501 1075
pIG15_601 235
pIG15_701 1558
pIG15_801 400
pIG15_901 1237
pIG15_1001 580?
pIG15_1101 1363
pIG15_1201 3000?
pIG15_1701 547
pIG15_1801 538
Gel for digest of antigens 301-1201, 1701, 1801

(JE) According to the gel pic all bands but the 1001 and 1201 bands were extracted for a gel extraction. Conducted then a gel-extraction with the Qiagen-Kit. Eluted with 50 µl dH2O and 30 µl PE buffer (so 80 µl overall) (heard afterwards 20 µl is enough for extraction - blame me) Measured concentrations with the nanodrop (ng/µl):

pIG15_301 1066 3,4 ng/µl
pIG15_401 1066 2,7 ng/µl
pIG15_501 1075 5,4 ng/µl
pIG15_601 235 2,5 ng/µl
pIG15_701 1558 2,0 ng/µl
pIG15_801 400 3,5 ng/µl
pIG15_901 1237 3,7 ng/µl
pIG15_1001 580? x
pIG15_1101 1363 3,5 ng/µl
pIG15_1201 3000? x
pIG15_1701 547 3,1 ng/µl
pIG15_1801 538 3,1 ng/µl

Miniprep: pETiGEM (LS)

  • miniprep from plate
  • used biozym kit
  • concentration: 196,3ng/µl

pETiGEM liquid culture (LS)

  • inoculated 3x 5ml of LB-Amp
  • incubation at 37°C, shaking

Digest: pET22b+ and pETiGEM (LS)

  • pET22b+: BamHI HF and NotI HF
  • pETiGEM: BamHI HF and HindIII HF/ BamHI HF and AflII
2µl Cut Smart buffer
28µldH2O
15µlplasmid
1µleach restriction enzyme
  • incubation at 37°C for 1h
  • analysis on 1%agarose gel
Digest did not work… Seems like the plasmids were completely cut into pieces.

Again Miniprep: pETiGEM (LS)

  • 10ml with biozyme kit
  • concentrations: 83,4ng/µl and 519,5ng/µl

Repetition of digest: pET22b+ and pETiGEM (LS)

  • same digest as before
  • this time only 9µl of sample
  • used Philipp's enzymes instead of ours
  • two digest for each plasmid:
  1. incubation for 30 min
  2. incubation for 1h
  • digest worked this time!!! (gel pic was lost…)
  • Philipp did the digest as well, worked for him as well :)
  • picture is in the labbook (handwritten version)

2015/06/21

inoculation of yesterdays re-trafos (LS)

Kryo-Stock preparation

  • 5ml LB
  • incubation at 37°C, shaking

Ligation (LS)

digested pET22b+ (Bam+Not)1µl
5µM/2,5µM Primer Dimer Spy-Catcher-His5µl
dH2O12µl
T4 ligase buffer2µl
T4 ligase1µl
antigen 1101antigen1701
digested pEtiGEM (Bam+Hind) 1,8µl
digested antigen 8,06µl2,21µl
dH2O8µl14µl
T4 ligase buffer 2µl
T4 ligase 1µl
  • incubation at 16°C, o/n

Repetition of PCR for fragment 804 (LS)

Fragment 804 = antigen 8 (HSV 1) with N-terminal His-Tag and C-terminal Spy-Tag

Q5 polymerase Dream Taq
Q5 buffer20µlDreamTaq buffer20µl
dNTPs2µldNTPa 2µl
oIG15_803f2,5µloIG15_803f2,5µl
oIG15_804r2,5µloIG15_804r2,5µl
high GC buffer 20µl
Q5 polymerase1µlDream Taq1µl
dH2O32µldH2O53µl
Q5 polymerase Dream Taq
98°C3min95°C30s
98°C30s95°C20s
50°C-70°C20s45°C-60°C50s
72°C20s68°C1min
72°C2min68°C5min
4°C
  • DMSO only in every second tube
  • analysis on 1% agarose gel: PCR did not work with Q5 polymerase, but it did work with Dream Taq!!!

Mini-Prep of yesterday's re-trafo (LS)

  • biozym kit
concentrations
pIG15_002 64,2
pIG15_403 66,4
pET22b+ 61,0
pIG15_803-A 50,2
pIG15_001 69,9
pIG15_803 94,3
pIG15_001-A108,6
pIG15_002-A181,4
  • prepared Gly-stocks of all plasmids
  • 300µl 50% glycerol
  • 500µl liquid culture

2015/06/22

Inoculation of ligation clones (LS)

We need to express the Spy-Catcher, so that it can be used by the SurfaceChemistry Group to work on Spy-Catcher-Spy-Tag interaction. For purification we added a His-tag that is introduced via the primers.

  • 3x pET22b+ with Spy-Catcher-His
  • 4x pETiGEM + antigen 1101
  • 4x pETiGEM + antigen 1701

Digest (LS)

pIG15_803 pETiGEM fragment 804
plasmid 10µl 2µl5µl
BamHI Hf1µl
AflII 1µl1µl1µl
Cut Smart buffer5µl5µl5µl
dH2O33µl42µl39µl
  • incubation at 37°C
  • digest of fragment 804 worked
  • nothing for pETiGEM and only backbone for pIG15_803
Digest of pIG15_803, pETiGEM and fragment 804

Repetition of digest (LS)

  • same as above
  • only pETiGEM and pIG15_803
  • again: nothing for pETiGEm and only backbon for pIG15_803

Digest: pETiGEM and pIG15_803-a (RE)

Trafo: pETigem in E.coli T10 (RE)

2015/06/23

Miniprep: pETigem (LS)

  • miniprep with peqlab kit
  • concentrations: ? and ?

Repetition of digest of pETiGEM with AflII

Miniprep: ligation clones (antigen 11 and 17 in pETiGEM without a tag)

  • biozyme kit
  • concentrations:
pETigem_1102 (1) 58,4
pETigem_1102 (2) 315,7
pETigem_1102 (3) 126,6
pETigem_1102 (4) 163,4
pETigem_1702 (1) 139,4
pETigem_1702 (2) 121,7
pETigem_1702 (3) 436,4
pETigem_1702 (4) 101,1
pET22b+ Spy-Catcher with His-tag (1) 85,8
pET22b+ Spy-Catcher with His-tag (3) 85,5

Test digest: antigens 11 and 17 in pETiGEM and pET22b+Spy-Catcher with His-tag (LS)

5µlplasmid
1µlre 1
1µlre 2
2µl Cut Smart
11µl dH2O
  • pETiGEM_1102/1702 with PtsIHF and BamHI HF
  • pET22b+Spy-Catcher with His-tag with PstIHF and NotHF
Test digest for pETiGEM with antigen 11 (CT) or 17 (HIV) [upper part] and pEt22b+Spy-Catcher with His-tag [lower part]

2015/06/24

gel-ex of digested fragment 804 (AflII) and digested pETigem (AflII) (LS)

  • concentrations:
  • fragment 804: 14,5 ng/µl
  • pETiGEM: 17,3ng/µl

digest: fragment 804 (HSV1 antigen with C-term Spy-Tag and N-term His-Tag) and pETiGEM with Acc65I (LS)

15µl DNA
5µl buffer 3.1
1µl Acc65I
29µl dH2O

repetition of ligation: pET22b+ and Spy-Catcher with His-tag (LS)

  • same way as before (see 2015/06/20) + ligation control
  • this time ligation on RT for 1h

transformation of ligation in E.coli Top 10 (LS)

  • 10µl of ligation
  • transformation according to protocol
  • incubation on LB-Amp plates at 37°C

gel-ex of digested fragmet 804 (HSV1 antigen with C-term Spy-tag and N-term His-tag) and pETiGEM (Acc65I) (LS)

  • concentrations:
  • fragment 804: 5,3 ng/µl
  • pETigem: 4,8 ng/µl

Ligation of fragment 804 (HSV1 antigen with C-term Spy-tag and N-term His-tag) and pETiGEM (RE)

11µlpETiGEM
4µlfragment 804
2µl T4 ligase buffer
1µl T4 ligase

2015/06/25

Transformation of ligation (RE)

  • 10µl of the ligation
  • transformation in E.coli T10

pET22b+Spy-Catcher-His (RE)

  • picked 4 clones from each plate (2,5µM/5µM)
  • incubation in 5ml LB-Amp at 37°C, shaking

2015/06/26

Miniprep: pETiGEM_804 (JN)

  • biozyme kit
  • concentrations:
pETigem_804 (1) 197.3
pETigem_804 (2) 85.3
pETigem_804 (3) 67.6
pETigem_804 (4) 78.8

2015/06/27

Test-digest of pET22b+ with Spy-Catcher with His-tag, pETigem AflII, pETigem (JN)

To verify integration of the Spy-Catcher into the pET22b+ a test digest was performed as follows. At the same time pETiGEM was digested with AflII and BamHI, for ligation with fragment 803 (=antigen HSV1 with C-term His-tag). One already AflII digested pETiGEM was only digested with BamHI.

  • pET22b+ with Spy-Catcher: PstI-HF and XhoI-HF
  • pETigem AflII: BamHI-HF
  • pETigem: AflII and BamHI-HF
ingredientpET22b+ with Spy-CatcherpETigem AflIIpETigem
DNA5µl18µl10µl
enzyme11µl1µl1µl
enzyme21µl-1µl
CutSmart5µl5µl5µl
dH2O38µl26µl33µl
  • incubation 1h at 37°C
  • dephosphorylation of both pETigem plasmids to avoid re-ligation of the backbone
Digest50µl
Antarctic Phosphatase buffer6µl
Antarctic Phosphatase1µl
dH2O3µl
  • incubation 1h at 37°C
  • analysis of all digests on 1% agarose gel

Gel-Ex of pETigem (JN)

  • concentration: 12.0ng/µl

Ligation of pETigem and 803 (HSV1 with C-term His-tag) (JN)

ingredientpETigem+803pETigem control
pETigem4.2µl4.2µl
8033.8µl-
ligase buffer2µl2µl
T4 ligase1µl1µl
dH2O9µl12.8µl

* overnight at 16°C

2015/06/28

Trafo (JN)

  • trafo of pETigem_803 and pETigem ligation control (=just backbone without 803-insert)

2015/06/29

Test-digest of pET22b+ with Spy-Catcher with PstI-HF and EcoRI-HF (JN)

  • pET22b+Spy-Catcher (2.5µM) 1-4
  • pET22b+Spy-Catcher(5µM) 1-4
  • pET22b+ digested and undigested (as control)
ingredientpET22b+Spy-CatcherpET22b+ digestedpET22b+ undigested
DNA5µl5µl5µl
PstI-HF1µl1µl-
EcoRI-HF1µl1µl-
CutSmart2µl2µl2µl
dH2O11µl11µl13µl
  • 20µl sample
  • analysis on 1% agarose gel:
expected fragment size for pET22b+Spy-Catcher with His-tag ~5500bp, pET22b+ digested should be two fragments → correct!
expected fragment size for pET22b+Spy-Catcher with His-tag ~5500bp → correct!, fourth lane is somehow missing





















  • the lower band of pET22b+Spy-Catcher (5µM) (1) could be due to only one Spy-Catcher-fragment in the plasmid, the other ones could have more than one Spy-Catcher-Fragment inserted.
  • pET22b+Spy-Catcher (5µM) (1) and (2), pET22b+Spy-Catcher (2.5µM) (1) sent in for sequencing

Mini-Prep (RE)

  • 8 clones of pET_803
  • Qiagen-Kit
  • eluted in 30 µl dH2O

Nano-Drop:

pET_803 - 1 205.1 ng/µl
pET_803 - 2 200.5
pET_803 - 3 149.5
pET_803 - 4 215.7
pET_803 - 5 227.1
pET_803 - 6 229.9
pET_803 - 7 242.5
pET_803 - 8 212.1

Test-Digest (RE)

  • pET_803 - 1-8
  • Fermentas FastDigest
  • 1 µl BamHI
  • 1 µl HindIII
  • 2 µl FD Buffer
  • 5 µl DNA
  • 11 µl dH2O
  • (a little more than) 5 min at 37°C

analysis on 1% agarose gel:

TestDigest of pET_803 (Herpes simplex antigen with 10xHis-tag in pET_iGEM) with BamHI and HindIII (Fermentas): expected fragment sizes ~ 800 and ~ 5400 bp –> larger fragment is not visible, but clones 1 and 2 will be sequenced anyway





















Trafo (RE)

  • BioBricks for Interlab study:
BioBrick resistance plate well
Bba_K823005 Cml 1 20K
Bba_K823008 Cml 1 22A
Bba_K823013 Cml 1 22K
Bba_I13504 Cml 3 17 C

–> solved in 10 µl dH2O –> 2 µl (~ 500 pg) used for transformation

  • pET22b+ (Re-trafo)

2015/06/30

TestDigest of pET_804 (RE)

  • 4 clones
  • PstI-HF and HindIII-HF (1 µl each)
  • 2 µl CutSmart
  • 5 µl DNA
  • 11 µl dH2O

analysis on 1% agarose gel:

[ TestDigest of pET_804 (Herpes simplex with N-term. 6xHis- and C-term. Spy-tag) with PstI and HindIII: expected fragment sizes ~1300 and ~4900 bp --> visible fragment size does not match the expectations --> will be repeated!

Taq PCR for fragment 804 (RE)

  • 804 = Herpes simplex with N-term. 6xHis- and C-term. Spy-tag
Dream Taq Buffer 37.5 µl
dNTPs 3.75 µl
DMSO 4.5 µl
oIG15_803f 7.5 µl
oIG15_804r 7.5 µl
pIG15_801 7.5 µl
Dream Taq polymerase 3 µl
dH2O 78.75 µl

–> 3 x 50 µl

Cycling:

95°C 30 s
95°C 20 s
55°C 50 s
68°C 60 s
68°C 300 s
4°C infinite

analysis on 1% agarose gel:

PCR product 804: expected fragment size ~800 bp –> referring band was exciced























Gel-Ex (RE)

  • PCR product 804
  • all lanes were loaded on the same column
  • Qiagen-Kit
  • eluted in 30µl dH2O
  • Nano-Drop: 241 ng/µl

Digest of fragment 804 and pET-iGEM(RE)

804 pET_iGEM
DNA 6 µl (1.5 µg) 10 µl (1.3 µg)
Acc65I 1 µl 1 µl
NEB Buffer 3.1 5 µl 5 µl
dH2O 38 µl 34 µl

–> 1h at 37°C

analysis on 1% agarose gel:

Gel-Ex (RE)

  • fragment 804 and pET_iGEM (Acc65I digested)
  • Qiagen-Kit
  • eluted in 20 µl dH2O

Nano-Drop: - 804: 23 ng/µl - pET_iGEM: 4 ng/µl

Digest of fragment 804 and pET_iGEM (RE)

  • FastDigest (Fermentas)
  • 1 µl BspTI and 2 µl FD Green Buffer added to the Gel-Ex elution
  • 5 min at 37°C
  • 5 min at 80°C (heat inactivation)
  • cool down to RT

Ligation of fragment 804 and pET_iGEM (RE)

  • without cleaning up the digest products
  • both digest products were pooled
  • 1 µl T4 Ligase and 5 µl T4 Liagse Buffer were added
  • 1 h at RT