Line 189: | Line 189: | ||
<li><a href="#methods">4 Methods</a> | <li><a href="#methods">4 Methods</a> | ||
<ul id="cont2"> | <ul id="cont2"> | ||
− | <li><a href="# | + | <li><a href="#miniprep">4-1 Miniprep</a></li> |
− | <li><a href="# | + | <li><a href="#gel extraction">4-2 Gel Extraction</a></li> |
− | <li><a href="# | + | <li><a href="#restriction enzyme digestion">4-3 Restriction Enzyme Digestion</a></li> |
− | <li><a href="# | + | <li><a href="#ligation">4-4 Ligation</a></li> |
− | <li><a href="# | + | <li><a href="#transformation">4-5 Transformation</a></li> |
− | <li><a href="# | + | <li><a href="#pcr">4-6 PCR</a></li> |
− | <li><a href="# | + | <li><a href="#sequencing">4-7 Sequencing</a></li> |
− | <li><a href="# | + | <li><a href="#rt-pcr">4-8 RT-PCR</a></li> |
− | <li><a href="# | + | <li><a href="#Western blotting (basic protocol)">4-9 Western blotting (basic protocol)</a></li> |
− | <li><a href="# | + | <li><a href="#Western blotting (anti-NoNLP)">4-10 Western blotting (anti-NoVLP)</a></li> |
− | <li><a href="# | + | <li><a href="#Western blotting (membrane fraction)">4-11 Western blotting (Membrane fraction)</a></li> |
− | <li><a href="# | + | <li><a href="#Western blotting (whole cell)">4-12 Western blotting (Whole cell)</a></li> |
− | <li><a href="# | + | <li><a href="#growth curve drawing">4-13 Growth Curve Drawing</a></li> |
− | <li><a href="# | + | <li><a href="#cellulose affinity assay with spectrophotometer">4-14 Cellulose Affinity Assay with spectrophotometer</a></li> |
− | <li><a href="# | + | <li><a href="#cellulose affinity assay with fluorescence microscope">4-15 Cellulose Affinity Assay with Fluorescence Microscope</a></li> |
− | <li><a href="# | + | <li><a href="#scanning electron microscopy (2015 summer experiment)">4-16 Scanning Electron Microscopy (2015 Summer Experiment)</a></li> |
− | + | <li><a href="#scanning electron microscopy (2016 summer experiment)">4-17 Scanning Electron Microscopy (2016 Summer Experiment)</a></li> | |
</li> | </li> | ||
</ul> | </ul> | ||
Line 564: | Line 564: | ||
<td>PureYield™ Plasmid Midiprep System</td> | <td>PureYield™ Plasmid Midiprep System</td> | ||
<td>Promega</td> | <td>Promega</td> | ||
+ | </tr> | ||
+ | <tr> | ||
+ | <td>FastGene™Gel/PCR Extraction Kit</td> | ||
+ | <td>NIPPON Genetics Co.,Ltd</td> | ||
</tr> | </tr> | ||
</table> | </table> | ||
Line 857: | Line 861: | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td> | + | <td>GII-4 rabbit anti-serum</td> |
<td>Dr. Sano</td> | <td>Dr. Sano</td> | ||
</tr> | </tr> | ||
Line 869: | Line 873: | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td>Amersham ECL DualVue Western | + | <td>Amersham ECL DualVue Western blotting Markers</td> |
<td>GE healthcare</td> | <td>GE healthcare</td> | ||
</tr> | </tr> | ||
Line 932: | Line 936: | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td> | + | <td>virus like protein GⅡ-4(Japan 2006)</td> |
<td>Dr. Sano</td> | <td>Dr. Sano</td> | ||
</tr> | </tr> | ||
Line 940: | Line 944: | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td>plasmid encoding | + | <td>plasmid encoding human anti Norovirus scFv antibody 12A2 (pcpIII/12A2) </td> |
<td>Dr. Moriguchi</td> | <td>Dr. Moriguchi</td> | ||
</tr> | </tr> | ||
Line 947: | Line 951: | ||
<h1 id="methods">Methods</h1> | <h1 id="methods">Methods</h1> | ||
− | <h2 id=" | + | <h2 id="miniprep">Miniprep</h2> |
+ | <p>Miniprep was performed using FastGene™Plasmid Mini Kit according to the manufacturer's protocols.</p> | ||
+ | |||
+ | <h2 id="gel extraction">Gel Extraction</h2> | ||
+ | <p>Gel Extraction was performed using FastGene™Plasmid Mini Kit(GP3→MilliQ), and Wizard® SV Gel and PCR according to the manufacturer's protocols. | ||
+ | </p> | ||
+ | |||
+ | <h2 id="restriction enzyme digestion">Restriction Enzyme Digestion</h2> | ||
+ | <p>Restriction enzyme treatment was performed using Takara Bio's or Promega's restriction enzymes according to the respective manufacturer's protocols.</p> | ||
+ | |||
+ | <h2 id="ligation">Ligation</h2> | ||
+ | <p>Ligation was performed using Takara Bio's Ligation High Ver.2 according to the manufacturer's protocols.</p> | ||
+ | |||
+ | <h2 id="transformation">Transformation</h2> | ||
+ | <ol> | ||
+ | <li>Thaw competent cells on ice.</li> | ||
+ | <li>Add DNA sample (1~20μl) to competent cells. leave them on ice for 30 minutes</li> | ||
+ | <li>Keep them in heating block for 45 seconds, then cool on ice for 2 minutes.</li> | ||
+ | <li>Add 40~200μl SOC liquid culture medium, then incubate under shaking culture for 1hour 37°C.</li> | ||
+ | <li>Seed it onto LB+antibiotics agar culture. Incubate for 24 hours at 37°C.</li> | ||
+ | </ol> | ||
+ | |||
+ | <h2 id="pcr">PCR</h2> | ||
+ | <p>PCR was performed using Wizard® SV Gel and PCR, KAPA™HiFi HotStart ReadyMix (2x) according to the manufacturer's protocols</p> | ||
+ | |||
+ | <h2 id="sequencing">Sequencing</h2> | ||
+ | <p>We outsourced the sequencing to Macrogen<br /> | ||
+ | <a href="http://www.macrogen-japan.co.jp/cap_seq_0203.php">http://www.macrogen-japan.co.jp/cap_seq_0203.php</a> | ||
+ | </p> | ||
+ | |||
+ | <h2 id="rt-pcr">RT-PCR</h2> | ||
+ | <p>RT-PCR was performed using QuantiTect® Reverse Transcription Kit according to the manufacturer's protocol. </p> | ||
+ | |||
+ | <h2 id="Western blotting (basic protocol)">Western blotting (basic protocol)</h2> | ||
<ol> | <ol> | ||
− | <li>Apply sample to SDS-PAGE minigel (BIOCLAFT 10%) | + | <li>Apply sample to SDS-PAGE minigel (BIOCLAFT 10%)</li> |
<li>Soak the gel in transfer buffer</li> | <li>Soak the gel in transfer buffer</li> | ||
<li>Soak PVDF membrane in 100% methanol for 30 sec</li> | <li>Soak PVDF membrane in 100% methanol for 30 sec</li> | ||
<li>Soak PVDF membrane and filter paper in transfer buffer, leave for 5 min</li> | <li>Soak PVDF membrane and filter paper in transfer buffer, leave for 5 min</li> | ||
− | <li>Set filter paper, membrane, gels, filter paper | + | <li>Set filter paper, membrane, gels, filter paper in this order to semidry transfer from anode to cathode</li> |
− | <li>Transfer the proteins from the | + | <li>Transfer the proteins from the gel to the membrane with 100 mA for 1 h</li> |
− | <li>Soak membrane in blocking buffer (ECL Blocking reagent | + | <li>Soak membrane in blocking buffer (dilution of 5 g ECL Blocking reagent by 100ml of TBST) for 1 h</li> |
<li>Wash for 5 min 3 times with TBST</li> | <li>Wash for 5 min 3 times with TBST</li> | ||
− | <li>Apply 1' antibody ( | + | <li>Apply 1' antibody (dilution of 10 μl of 1’antibody by 10ml of Blocking buffer) and shake for 1 h</li> |
<li>Wash for 5 min 3 times with TBST</li> | <li>Wash for 5 min 3 times with TBST</li> | ||
− | <li>Apply 2' antibody ( | + | <li>Apply 2' antibody (dilution of 4μl of 2’antibody by 10ml of Blocking buffer) and shake for 1 h</li> |
− | <li>Wash for 5 min 3 times</li> | + | <li>Wash for 5 min 3 times with TBST</li> |
− | <li>Drain excess wash buffer from the washed membrane and place | + | <li>Drain excess wash buffer from the washed membrane and place on flat surface, protein side up</li> |
<li>Add detection reagent onto the membrane, covering all of the membrane</li> | <li>Add detection reagent onto the membrane, covering all of the membrane</li> | ||
<li>Incubate for 5 minutes at room temperature</li> | <li>Incubate for 5 minutes at room temperature</li> | ||
Line 968: | Line 1,005: | ||
</ol> | </ol> | ||
− | <h2 id=" | + | <h2 id="Western blotting (anti-NoVLP)">Western blotting (anti-NoVLP)</h2> |
− | <p> | + | <p>Sample Preparation</p> |
<ol> | <ol> | ||
− | <li>Mix | + | <li>Mix MilliQ 12.5ul, SDS sample buffer 4.5 ul, and VLP 1 ul</li> |
− | <li> | + | <li>Vortex well and centrifuge with a minicentrifuge</li> |
− | <li> | + | <li>Follow the protocol for our basic Western Blotting</li> |
− | <li> | + | </ol> |
− | <li> | + | |
+ | <h2 id="Western blotting (membrane fraction)">Western blotting (Membrane fraction)</h2> | ||
+ | <p>Sample Preparation</p> | ||
+ | <ol> | ||
+ | <li>Cultivate 100 ml of E. coli culture whose OD600 values are 0.5</li> | ||
+ | <li>Divide the 100 ml cell culture in two 50 ml tubes, centrifuge 5000 rpm for 10 min</li> | ||
+ | <li>Wash with PBS 30 ml, centrifuge 5000 rpm for 10 min</li> | ||
+ | <li>Resuspend with 50 mM Tris (pH8.0) 100 mM NaCl 10% glycerol 10ml</li> | ||
+ | <li>Combine the same sample tubes and sonicate 10 min</li> | ||
+ | <li>Centrifuge 4000 rpm for 10 min at room temperature</li> | ||
+ | <li>Ultracentrifuge the supernatant at 45000 rpm (around 190000g) at room temperature, then remove the resulting supernatant</li> | ||
+ | <li>Resuspend in guanidine buffer (50 mM Tris (8.0) 300 mM NaCl 10 mM Imidazole 6M Guanidine-HCl 0.1% NP40 1mM DTT) to denature proteins</li> | ||
+ | <li>Use Ni-NTA beads to purify the target protein</li> | ||
+ | <li>Resuspend the purified protein in SDS-buffer</li> | ||
+ | <li>Follow the protocol for Western Blotting</li> | ||
+ | </ol> | ||
+ | |||
+ | <h2 id="Western blotting (whole cell)">Western blotting (Whole cell)</h2> | ||
+ | <p>Sample Preparation</p> | ||
+ | <ol> | ||
+ | <li>Cultivate 100 ml of E. coli culture during overnight</li> | ||
+ | <li>Pour 400 ul of the E.coli cell culture into 1.5 tubes</li> | ||
+ | <li>Centrifuge 5000 rpm for 1 min and remove the supernatant</li> | ||
+ | <li>Wash 1 ml of PBS</li> | ||
+ | <li>Centrifuge 5000rpm for 1 min and remove the supernatant</li> | ||
+ | <li>Add MilliQ 15 ul and SDS sample buffer 5 ul</li> | ||
+ | <li>Vortex well and centrifuge with a minicentrifuge</li> | ||
+ | <li>Sonicate for 10min</li> | ||
+ | <li>Centrifuge with a minicentrifuge</li> | ||
+ | <li>Follow the protocol for Western Blotting</li> | ||
+ | </ol> | ||
+ | |||
+ | <h2 id="growth curve drawing">Growth Curve Drawing</h2> | ||
+ | <ol> | ||
+ | <li>Measure OD600 of LB liquid medium (10μg/ml CP) and set blank.</li> | ||
+ | <li>Prepare 10ml LB liquid medium (10μg/ml CP) with E.coli sample whose OD600 values are adjusted to 1.0, Cover the tube with a plastic sheet with airholes</li> | ||
+ | <li>Start incubating at 160rpm, 37°C. Measure the absorbance promptly and set it 0 minute.</li> | ||
+ | <li>Measure OD600 every 30 minutes (before 2hours)/every an hour (after 2hours). </li> | ||
</ol> | </ol> | ||
Line 991: | Line 1,065: | ||
<h2 id="cellulose affinity assay with fluorescence microscope">Cellulose Affinity Assay with Fluorescence Microscope </h2> | <h2 id="cellulose affinity assay with fluorescence microscope">Cellulose Affinity Assay with Fluorescence Microscope </h2> | ||
+ | <p>Sample Preparation</p> | ||
<ol> | <ol> | ||
<li>Centrifuge overnight cell culture with 200g for 20min</li> | <li>Centrifuge overnight cell culture with 200g for 20min</li> | ||
Line 999: | Line 1,074: | ||
<li>Fix samples with 4% PFA for 10min</li> | <li>Fix samples with 4% PFA for 10min</li> | ||
<li>Pellet with microcentrifuge</li> | <li>Pellet with microcentrifuge</li> | ||
− | <li>Resuspend in PBS | + | <li>Resuspend in PBS 500μl</li> |
<li>Repeat step 7 and 8 two more times</li> | <li>Repeat step 7 and 8 two more times</li> | ||
− | <li>Add | + | <li>Add 500μl 1ug/ml DAPI and leave for 15min</li> |
− | <li> | + | <li>1Pellet with microcentrifuge</li> |
− | <li> | + | <li>1Resuspend in PBS 500μl</li> |
<li>Repeat step 11 and12 two more times</li> | <li>Repeat step 11 and12 two more times</li> | ||
<li>Filter sample with filtering membrane with 200g centrifugation for 5min</li> | <li>Filter sample with filtering membrane with 200g centrifugation for 5min</li> | ||
− | <li>Add PBS | + | <li>Add PBS 500μl then centrifuge 200g for additional 5min</li> |
− | <li>Resuspend the remaining cellulose on filtering membrane in PBS | + | <li>Resuspend the remaining cellulose on filtering membrane in PBS 400μl, transfer to 1.5ml tube</li> |
<li>Pellet with microcentrifuge</li> | <li>Pellet with microcentrifuge</li> | ||
− | <li>Resuspend in | + | <li>Resuspend in 20μl fluorescence fading inhibitor</li> |
</ol> | </ol> | ||
− | < | + | <p>Statistics Analysis</p> |
<ol> | <ol> | ||
− | + | <li>Randomly photograph in 600x the samples obtained from cellulose binding assay with fluorescent microscopy per picture</li> | |
− | + | <li>Measeure the total area of the cellulose using ImageJ, and count the number of <i>E. coli</i> bound to the cellulose</li> | |
− | + | <li>Divide the number of <i>E. coli</i> binding to cellulose by the area (μm^2) of cellulose </li> | |
− | + | <li>Conduct an F test on the cell number/cellulose(um^2) using Excel2016 MSO (16.0.6701.1041), and compare INPNC-His-ctl expressing <i>E. coli</i> with INPNC-His-CBDcex expressing <i>E. coli</i></li> | |
+ | <li>Conduct Welch’s t-test (two-sided) and compare INPNC-His-ctl expressing <i>E. coli</i> with INPNC-His-CBDcex expressing <i>E. coli</i></li> | ||
</ol> | </ol> | ||
− | |||
− | |||
− | |||
<h2 id="scanning electron microscopy (2015 summer experiment)">Scanning Electron Microscopy (2015 Summer Experiment)</h2> | <h2 id="scanning electron microscopy (2015 summer experiment)">Scanning Electron Microscopy (2015 Summer Experiment)</h2> | ||
Line 1,030: | Line 1,103: | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td>INPNC-His-scFv(pSB3C5) | + | <td>INPNC-His-scFv(pSB3C5) 25μl+VLP2.5μl</td> |
<td>200g</td> | <td>200g</td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td>BclA-His-scFv(pSB3C5) | + | <td>BclA-His-scFv(pSB3C5)25μl+VLP2.5μl</td> |
<td>200g</td> | <td>200g</td> | ||
</tr> | </tr> | ||
</table> | </table> | ||
− | <p> | + | <p>Sample Preparation (E.coli+VLP)</p> |
<ol> | <ol> | ||
<li>Prepare 45ml of sample E.coli liquid culture whose OD600 values are around 1.0</li> | <li>Prepare 45ml of sample E.coli liquid culture whose OD600 values are around 1.0</li> | ||
− | <li>Take | + | <li>Take 25μl, and pour into sample tubes.</li> |
− | <li>Centrifuge VLP with MiniCentrifuge. After tapping it, pour 2. | + | <li>Centrifuge VLP with MiniCentrifuge. After tapping it, pour 2.5μl into tubes.</li> |
<li>Incubate for 24 hours.</li> | <li>Incubate for 24 hours.</li> | ||
<li>Centrifuge at 200g for 10 minutes.</li> | <li>Centrifuge at 200g for 10 minutes.</li> | ||
Line 1,058: | Line 1,131: | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td>INPNC-His-scFv(pSB3C5) | + | <td>INPNC-His-scFv(pSB3C5) 25μl+VLP2.5μl</td> |
<td>3000g</td> | <td>3000g</td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td>BclA-His-scFv(pSB3C5) | + | <td>BclA-His-scFv(pSB3C5)25μl+VLP2.5μl</td> |
<td>3000g</td> | <td>3000g</td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td>INPNC-His-ctl | + | <td>INPNC-His-ctl 25μl+VLP2.5μl</td> |
<td>3000g</td> | <td>3000g</td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td>BclA-His-ctl | + | <td>BclA-His-ctl 25μl+VLP2.5μl</td> |
<td>3000g</td> | <td>3000g</td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td>INPNC-His-scFv(pSB3C5) | + | <td>INPNC-His-scFv(pSB3C5) 25μl+VLP2.5μl</td> |
<td>200g</td> | <td>200g</td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td>BclA-His-scFv(pSB3C5) | + | <td>BclA-His-scFv(pSB3C5)25μl+VLP2.5μl</td> |
<td>200g</td> | <td>200g</td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td>INPNC-His-ctl | + | <td>INPNC-His-ctl 25μl+VLP2.5μl</td> |
<td>200g</td> | <td>200g</td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td>BclA-His-ctl | + | <td>BclA-His-ctl 25μl+VLP2.5μl</td> |
<td>200g</td> | <td>200g</td> | ||
</tr> | </tr> | ||
</table> | </table> | ||
− | <p> | + | <p>Sample Preparation (E.coli+VLP)</p> |
<ol> | <ol> | ||
<li>Prepare 45ml of sample E.coli liquid culture whose OD600 values are adjusted to 1.0</li> | <li>Prepare 45ml of sample E.coli liquid culture whose OD600 values are adjusted to 1.0</li> | ||
− | <li>Take | + | <li>Take 25μl, and pour into sample tubes.</li> |
− | <li>Centrifuge VLP with MiniCentrifuge. After tapping it, pour 2. | + | <li>Centrifuge VLP with MiniCentrifuge. After tapping it, pour 2.5μl into tubes.</li> |
<li>Incubate for 24 hours.</li> | <li>Incubate for 24 hours.</li> | ||
<li>Centrifuge at 200g/3000g for 10 minutes.</li> | <li>Centrifuge at 200g/3000g for 10 minutes.</li> | ||
Line 1,103: | Line 1,176: | ||
</ol> | </ol> | ||
− | <p> | + | <p>Sample Preparation (PBS+VLP)</p> |
<ol> | <ol> | ||
− | <li>After tapping VLP, pour | + | <li>After tapping VLP, pour 2μl into 200ml PBS.</li> |
<li>Mark where pellets should have aggregated if E. coli were in the tube.</li> | <li>Mark where pellets should have aggregated if E. coli were in the tube.</li> | ||
<li>Centrifuge at 200g for 10 minutes.</li> | <li>Centrifuge at 200g for 10 minutes.</li> | ||
− | <li>Take | + | <li>Take 100μl of the supernatant, then pour into 1. tube.</li> |
</ol> | </ol> | ||
− | <p> | + | <p>Shape Analysis</p> |
<ol> | <ol> | ||
− | <li> Determine aspect ratios of all <i>E.coli</i> from the SEM pictures using ImageJ.</li> | + | <li>Determine aspect ratios of all <i>E.coli</i> from the SEM pictures using ImageJ.</li> |
− | <li> Conduct an F test on the aspect ratios using Excel2016 MSO (16.0.6701.1041), and compare BclA-His-scFv expressing <i>E. coli</i> with INPNC-His-scFv expressing <i>E. coli</i>.</li> | + | <li>Conduct an F test on the aspect ratios using Excel2016 MSO (16.0.6701.1041), and compare BclA-His-scFv expressing <i>E. coli</i> with INPNC-His-scFv expressing <i>E. coli</i>.</li> |
− | <li> Conduct Welch’s t-test (two-sided) and compare BclA-His-scFv expressing <i>E. coli</i> with INPNC-His-scFv expressing <i>E. coli</i>.</li> | + | <li>Conduct Welch’s t-test (two-sided) and compare BclA-His-scFv expressing <i>E. coli</i> with INPNC-His-scFv expressing <i>E. coli</i>.</li> |
</ol> | </ol> | ||
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</div> | </div> |
Revision as of 17:45, 19 October 2016
Contents
- 1 Parts
- 2 Primer list
- 3 Materials
- 4 Methods
- 4-1 Miniprep
- 4-2 Gel Extraction
- 4-3 Restriction Enzyme Digestion
- 4-4 Ligation
- 4-5 Transformation
- 4-6 PCR
- 4-7 Sequencing
- 4-8 RT-PCR
- 4-9 Western blotting (basic protocol)
- 4-10 Western blotting (anti-NoVLP)
- 4-11 Western blotting (Membrane fraction)
- 4-12 Western blotting (Whole cell)
- 4-13 Growth Curve Drawing
- 4-14 Cellulose Affinity Assay with spectrophotometer
- 4-15 Cellulose Affinity Assay with Fluorescence Microscope
- 4-16 Scanning Electron Microscopy (2015 Summer Experiment)
- 4-17 Scanning Electron Microscopy (2016 Summer Experiment)
Parts
Basic Parts
Composite Parts
Primer list
Primer name | Sequence | Length | Tm | GC% | Designer | Manufacturer |
---|---|---|---|---|---|---|
m.scfv Fw | TGTTTCTCCAGATGAACAGCCTGAGAG | 27bp | 66 | 47 | Li | Thermo Fisher Scientific Inc. |
m.scfv Rv | TCATCTGGAGAAACAACACATACTTGG | 27bp | 67 | 44 | Li | Thermo Fisher Scientific Inc. |
c.scfv Fw | AGGCGGATCCGGTATGGCCGAGGTGCAGC | 29bp | 74 | 69 | Li | Thermo Fisher Scientific Inc. |
c.scfv Rv | TACTAGTAGCGGCCGCTGCAGTACACCTAGGACGGT GACCTTGG |
44bp | 75 | 60 | Li | Thermo Fisher Scientific Inc. |
m.BAN Fw | TGCCGACCATGGCCGAGGTGCAGCTG | 26bp | 72 | 69 | Li | Thermo Fisher Scientific Inc. |
m.BAN RV | TCGGCCATGGTCGGCAGGGTGAAC | 24bp | 69 | 67 | Li | Thermo Fisher Scientific Inc. |
VF2 | TGCCACCTGACGTCTAAGAA | 20bp | 57 | 50 | iGEM | Thermo Fisher Scientific Inc. |
VR | ATTACCGCCTTTGAGTGAGC | 20bp | 56 | 50 | iGEM | Thermo Fisher Scientific Inc. |
BAN+scFv.Fw | ACTAGAGAAAGAGGAGAAATACTAGATGGCGTTC | 34bp | 62 | 41 | Uchino | Macrogen Japan Corp. |
J23114+RBS.Rv | GAACGCCATCTAGTATTTCTCCTCTTTCTCTAGTGC TAGCATTGTACCTAGGACTGAGCTAGC |
63bp | 72 | 46 | Uchino | Macrogen Japan Corp. |
J23108+RBS.Rv | GAACGCCATCTAGTATTTCTCCTCTTTCTCTAGT | 34bp | 62 | 41 | Uchino | Macrogen Japan Corp. |
J23100+RBS.Rv | GAACGCCATCTAGTATTTCTCCTCTTTCTCTAGTGC TAGCACTGTACCTAGGACTGAGC |
59bp | 72 | 47 | Uchino | Macrogen Japan Corp. |
Cex.Fw | GGTCCGGCCGGGTGCCAGGTG | 21bp | 71 | 81 | Uchino | Macrogen Japan Corp. |
Clos.Fw | TCATCAATGTCAGTTGAATTTTACAACTCTAAC | 33bp | 58 | 30 | Uchino | Macrogen Japan Corp. |
INP_His_Cex.Rv | CACCTGGCACCCGGCCGGACCATGATGATGATGATG ATGGGATCCGCCTCCTGCA |
55bp | 80 | 62 | Uchino | Macrogen Japan Corp. |
INP_His_Clos.Rv | GTTAGAGTTGTAAAATTCAACTGACATTGATGAATG ATGATGATGATGATGGGATCCGCCTCCTGCA |
67bp | 72 | 40 | Uchino | Macrogen Japan Corp. |
BAN_His_Cex.Rv | CACCTGGCACCCGGCCGGACCATGATGATGATGATG ATGGGTCGGCAGGGTGAAC |
55bp | 80 | 62 | Uchino | Macrogen Japan Corp. |
BAN_His_Clos.Rv | GTTAGAGTTGTAAAATTCAACTGACATTGATGAATG ATGATGATGATGATGGGTCGGCAGGGTGAAC |
67bp | 72 | 40 | Uchino | Macrogen Japan Corp. |
scFv_ctl_Fw | TAGCACTAGAGAAAGAGGAGAAATACTAGATGGCCG AGGTGCAGCTGG |
48bp | 72 | 50 | Uchino | Macrogen Japan Corp. |
scFv_ctl_Rv, CBDcex_ctl_Rv, CBDclos_ctl_Rv | CATCTAGTATTTCTCCTCTTTCTCTAGTGCTAGC | 34bp | 61 | 41 | Uchino | Macrogen Japan Corp. |
CBDcex_ctl_Fw | TAGCACTAGAGAAAGAGGAGAAATACTAGATGGGTC CGGCCGGGTGCCA |
49bp | 74 | 53 | Uchino | Macrogen Japan Corp. |
CBDclos_ctl_Fw | TAGCACTAGAGAAAGAGGAGAAATACTAGATGTCAT CAATGTCAGTTGAATTTTACAAC |
59bp | 67 | 34 | Uchino | Macrogen Japan Corp. |
RFP_His_CBDcex.Rv | CCACAGCACCTGGCACCCGGCCGGACCATGATGATG ATGATGATGTTATTAAGCACCGGTGGAGTGACG |
69bp | 79 | 57 | Uchino | Macrogen Japan Corp. |
RFP_His_CBDclos.Rv | GAGTTGTAAAATTCAACTGACATTGATGAATGATGA TGATGATGATGTTATTAAGCACCGGTGGAGTGACG |
71bp | 71 | 38 | Uchino | Macrogen Japan Corp. |
INP primer for CBD.Fw | ACGACGACTGGATCGAAGTTAAAG | 24bp | 58 | 46 | Miyazaki | Hokkaido System Science Co., Ltd. |
CBDcex primer.Rv | GCCGTTGAAGCCGAACTG | 18bp | 57 | 61 | Miyazaki | Hokkaido System Science Co., Ltd. |
scFv primer1'Fw | TGCAACCTCTGCATTCATCTT | 21bp | 56 | 43 | Miyazaki | Hokkaido System Science Co., Ltd. |
scFv primer2'Rv | CCCTGGCCCCAGTAGTCA | 18bp | 59 | 67 | Miyazaki | Hokkaido System Science Co., Ltd. |
rRNA 16S forward primer1 | GACGGGGGCCCGCACAAG | 18bp | 65 | 78 | Miyazaki | Hokkaido System Science Co., Ltd. |
rRNA 16S reverse primer1 | CTGGTCGTAAGGGCCATG | 18bp | 56 | 61 | Miyazaki | Hokkaido System Science Co., Ltd. |
Prefix-F | GAATTCGCGGCCGCTTCTAG | 20bp | 60 | 60 | iGEM | Hokkaido System Science Co., Ltd. |
Suffix-R | CTGCAGCGGCCGCTACTAGTA | 21bp | 62 | 62 | iGEM | Hokkaido System Science Co., Ltd. |
INP_His_coding_Rv | ggaCTGCAGCGGCCGCTACTAGTACTAATGATGATG ATGATGATGggatccgcctcctgcaccg |
64bp | 78 | 56 | Uchino | invitrogen |
INP_His_coding_Fw | ctgGAATTCGCGGCCGCTTCTAGAGatgaccctgga caaagctctgg |
47bp | 75bp | 57 | Uchino | invitrogen |
Materials
Kit
Name | Supplier |
---|---|
Wizard® SV Gel and PCR | Promega |
FastGene™Plasmid Mini Kit | NIPPON Genetics Co.,Ltd |
PureYield™ Plasmid Midiprep System | Promega |
FastGene™Gel/PCR Extraction Kit | NIPPON Genetics Co.,Ltd |
Restriction Enzyme
Name | Supplier |
---|---|
EcoRI | TaKaRa, Promega |
PstI | TaKaRa, Promega |
SpeI | TaKaRa, Promega |
XbaI | TaKaRa, Promega |
DraII | TaKaRa |
Polymerase
Name | Supplier |
---|---|
KAPA™HiFi HotStart ReadyMix (2x) | KAPABIOSYSTEMS |
KAPA2G™ Fast HotStart ReadyMix with dye (2x) | KAPABIOSYSTEMS |
KAPATaq™EXtra HotStart ReadyMix with dye | KAPABIOSYSTEMS |
Quick Taq® HS DyeMix | TOYOBO |
DNA ligase
Name | Supplier |
---|---|
Ligation high Ver.2 | TOYOBO |
Marker
Name | Supplier |
---|---|
1kb DNA Ladder | TaKaRa |
100bp DNA Ladder | TaKaRa |
1kb Plus DNA Ladder | Thermo Fisher Scientific |
Organism
Name | Supplier |
---|---|
E.coli DH5α Genotype | TaKaRa |
E.coli BL21(DE3)pLysS Competent Cells | Promega |
Antibiotics
Name | Supplier |
---|---|
Chloramphenicol | nacalai tesque |
Ampicillin Sodium Salt | nacalai tesque |
Equipment
Name | Supplier |
---|---|
Bemliese SR601 | AsahiKASEI |
BioPhotometer | eppendorf |
LABO SHAKER | BIO CRAFT |
CO2 INCUBATOR | SANYO |
Pipette Controller | Biohit Midi Plus |
MiniCentrifuge Model GMC-060 | LMS CO.,LTD. |
HIGH-SPEED REFRIGERATED CENTRIFUGE | TOMY |
HIGH-PRESSURE STEAM STERILIZER | TOMY |
VOTEX-GENE2 | Scientific Industryes |
Scanning Electron Miniscope TM1000s | HITACHI |
Fluorescence Microscope BX61N-34-FL-1-D | OLYMPUS |
SCIECE IMAGING SYSTEM LAS-3000 | Fuji film |
Chemi Doc XRS+ | BIO-RAD |
Cuvette | Eppendorf |
Backbones
Name | Supplier |
---|---|
pSB1C3 | iGEM registry |
pSB1A2 | iGEM registry |
pSB3C5 | iGEM registry |
BBa_ J61002 | iGEM registry |
Buffer
Name | Supplier |
---|---|
Sodium Carbonate | Wako |
Sodium Bicarbonate | Wako |
Methanol(99.5%) | Wako |
Sodium Chloride | Wako |
SDS | nacalai tesque |
Trisaminomethane | nacalai tesque |
Potassium dihydrogenphosphste | SIGAMA-ALDRICH |
Potassium Chloride | Wako |
Glycine | Wako |
Agar, Powder | Wako |
Agarose XP | Wako |
10% Hydrochloric Acid | Wako |
Tween-20 | SANTA CRUZ |
Dimethyl sulfoxide | Wako |
SDSPAGE/WB
Name | Supplier |
---|---|
IMMOBILON - P Blotting Sandwiches | Immobilon |
REAL GEL PLATE (10%) | BIO CRAFT |
BE-210(SDSPAGE) | BIO CRAFT |
BE-330 | BIO CRAFT |
Amersham ECL Anti-Mouse IgG | GE healthcare |
Amersham ECL Anti-rabbit IgG | GE healthcare |
GII-4 rabbit anti-serum | Dr. Sano |
Amersham ECL Prime Blocking Reagent | GE healthcare |
Amersham ECL Prime WB Detection Reagent | GE healthcare |
Amersham ECL DualVue Western blotting Markers | GE healthcare |
WESTERN-VIEW™ Western Protein Size Marker(32-165kDa) | Wako |
Fluorescence Microscope
Name | Supplier |
---|---|
Immersion oil Type F | OLYMPUS JAPAN |
Filter Paper Qualitative 2 90mm | ADVANTEC |
Cellulose powder through 38μm(48mesh) | Wako |
5ml Polystyrene round-bottom tube with cell-strainer Cap | FALCON |
-Cellstain- DAPI solution | Doujindou |
Electronic Microscope
Name | Supplier |
---|---|
Paraformaldehyde(PFA) | Dr. Tadokoro |
Osmic acid | Dr. Tadokoro |
Acetone | Dr. Tadokoro |
Others
Name | Supplier |
---|---|
virus like protein GⅡ-4(Japan 2006) | Dr. Sano |
Norovirus like protein GⅡ-4(Narita 1997) | National institute of infectious diseases |
plasmid encoding human anti Norovirus scFv antibody 12A2 (pcpIII/12A2) | Dr. Moriguchi |
Methods
Miniprep
Miniprep was performed using FastGene™Plasmid Mini Kit according to the manufacturer's protocols.
Gel Extraction
Gel Extraction was performed using FastGene™Plasmid Mini Kit(GP3→MilliQ), and Wizard® SV Gel and PCR according to the manufacturer's protocols.
Restriction Enzyme Digestion
Restriction enzyme treatment was performed using Takara Bio's or Promega's restriction enzymes according to the respective manufacturer's protocols.
Ligation
Ligation was performed using Takara Bio's Ligation High Ver.2 according to the manufacturer's protocols.
Transformation
- Thaw competent cells on ice.
- Add DNA sample (1~20μl) to competent cells. leave them on ice for 30 minutes
- Keep them in heating block for 45 seconds, then cool on ice for 2 minutes.
- Add 40~200μl SOC liquid culture medium, then incubate under shaking culture for 1hour 37°C.
- Seed it onto LB+antibiotics agar culture. Incubate for 24 hours at 37°C.
PCR
PCR was performed using Wizard® SV Gel and PCR, KAPA™HiFi HotStart ReadyMix (2x) according to the manufacturer's protocols
Sequencing
We outsourced the sequencing to Macrogen
http://www.macrogen-japan.co.jp/cap_seq_0203.php
RT-PCR
RT-PCR was performed using QuantiTect® Reverse Transcription Kit according to the manufacturer's protocol.
Western blotting (basic protocol)
- Apply sample to SDS-PAGE minigel (BIOCLAFT 10%)
- Soak the gel in transfer buffer
- Soak PVDF membrane in 100% methanol for 30 sec
- Soak PVDF membrane and filter paper in transfer buffer, leave for 5 min
- Set filter paper, membrane, gels, filter paper in this order to semidry transfer from anode to cathode
- Transfer the proteins from the gel to the membrane with 100 mA for 1 h
- Soak membrane in blocking buffer (dilution of 5 g ECL Blocking reagent by 100ml of TBST) for 1 h
- Wash for 5 min 3 times with TBST
- Apply 1' antibody (dilution of 10 μl of 1’antibody by 10ml of Blocking buffer) and shake for 1 h
- Wash for 5 min 3 times with TBST
- Apply 2' antibody (dilution of 4μl of 2’antibody by 10ml of Blocking buffer) and shake for 1 h
- Wash for 5 min 3 times with TBST
- Drain excess wash buffer from the washed membrane and place on flat surface, protein side up
- Add detection reagent onto the membrane, covering all of the membrane
- Incubate for 5 minutes at room temperature
- Drain off excess detection reagent by dabbing with Kimwipe
- Place the sample in the CCD camera compartment and record the images
Western blotting (anti-NoVLP)
Sample Preparation
- Mix MilliQ 12.5ul, SDS sample buffer 4.5 ul, and VLP 1 ul
- Vortex well and centrifuge with a minicentrifuge
- Follow the protocol for our basic Western Blotting
Western blotting (Membrane fraction)
Sample Preparation
- Cultivate 100 ml of E. coli culture whose OD600 values are 0.5
- Divide the 100 ml cell culture in two 50 ml tubes, centrifuge 5000 rpm for 10 min
- Wash with PBS 30 ml, centrifuge 5000 rpm for 10 min
- Resuspend with 50 mM Tris (pH8.0) 100 mM NaCl 10% glycerol 10ml
- Combine the same sample tubes and sonicate 10 min
- Centrifuge 4000 rpm for 10 min at room temperature
- Ultracentrifuge the supernatant at 45000 rpm (around 190000g) at room temperature, then remove the resulting supernatant
- Resuspend in guanidine buffer (50 mM Tris (8.0) 300 mM NaCl 10 mM Imidazole 6M Guanidine-HCl 0.1% NP40 1mM DTT) to denature proteins
- Use Ni-NTA beads to purify the target protein
- Resuspend the purified protein in SDS-buffer
- Follow the protocol for Western Blotting
Western blotting (Whole cell)
Sample Preparation
- Cultivate 100 ml of E. coli culture during overnight
- Pour 400 ul of the E.coli cell culture into 1.5 tubes
- Centrifuge 5000 rpm for 1 min and remove the supernatant
- Wash 1 ml of PBS
- Centrifuge 5000rpm for 1 min and remove the supernatant
- Add MilliQ 15 ul and SDS sample buffer 5 ul
- Vortex well and centrifuge with a minicentrifuge
- Sonicate for 10min
- Centrifuge with a minicentrifuge
- Follow the protocol for Western Blotting
Growth Curve Drawing
- Measure OD600 of LB liquid medium (10μg/ml CP) and set blank.
- Prepare 10ml LB liquid medium (10μg/ml CP) with E.coli sample whose OD600 values are adjusted to 1.0, Cover the tube with a plastic sheet with airholes
- Start incubating at 160rpm, 37°C. Measure the absorbance promptly and set it 0 minute.
- Measure OD600 every 30 minutes (before 2hours)/every an hour (after 2hours).
Cellulose Affinity Assay with spectrophotometer
- Prepare LB +CP medium that contains objective E.coli, incubate overnight at 37°C
- Centrifuge this solution at 200g for 10 min.
- Collect the pellet, and add Carbonate bicarbonate buffe so that OD600 values come to about 0.2
- Take 1ml out of the cell suspension, and measure OD600 values. This OD600 values are <before>.
- Incubate the cell suspension with 3cm by 2.5 cm cellulose sheet (BEMLIESE #606) for 1 h
- Measure OD600 values of the cell suspension. This OD600 values are <after>.
- Transfer the cellulose sheet to a new buffer of the same volume, incubate for 1 hour
- Measure OD600 values of the buffer This OD600 values are <wash>.
Cellulose Affinity Assay with Fluorescence Microscope
Sample Preparation
- Centrifuge overnight cell culture with 200g for 20min
- Resuspend in PBS to OD600 of 0.2/1.0
- Mix 1ml cell suspension and cellulose powder/Bemliese
- Stir in room temperature, 800rpm for 6h
- Pellet with microcentrifuge
- Fix samples with 4% PFA for 10min
- Pellet with microcentrifuge
- Resuspend in PBS 500μl
- Repeat step 7 and 8 two more times
- Add 500μl 1ug/ml DAPI and leave for 15min
- 1Pellet with microcentrifuge
- 1Resuspend in PBS 500μl
- Repeat step 11 and12 two more times
- Filter sample with filtering membrane with 200g centrifugation for 5min
- Add PBS 500μl then centrifuge 200g for additional 5min
- Resuspend the remaining cellulose on filtering membrane in PBS 400μl, transfer to 1.5ml tube
- Pellet with microcentrifuge
- Resuspend in 20μl fluorescence fading inhibitor
Statistics Analysis
- Randomly photograph in 600x the samples obtained from cellulose binding assay with fluorescent microscopy per picture
- Measeure the total area of the cellulose using ImageJ, and count the number of E. coli bound to the cellulose
- Divide the number of E. coli binding to cellulose by the area (μm^2) of cellulose
- Conduct an F test on the cell number/cellulose(um^2) using Excel2016 MSO (16.0.6701.1041), and compare INPNC-His-ctl expressing E. coli with INPNC-His-CBDcex expressing E. coli
- Conduct Welch’s t-test (two-sided) and compare INPNC-His-ctl expressing E. coli with INPNC-His-CBDcex expressing E. coli
Scanning Electron Microscopy (2015 Summer Experiment)
Samples | Centrifugal Force |
---|---|
INPNC-His-scFv(pSB3C5) 25μl+VLP2.5μl | 200g |
BclA-His-scFv(pSB3C5)25μl+VLP2.5μl | 200g |
Sample Preparation (E.coli+VLP)
- Prepare 45ml of sample E.coli liquid culture whose OD600 values are around 1.0
- Take 25μl, and pour into sample tubes.
- Centrifuge VLP with MiniCentrifuge. After tapping it, pour 2.5μl into tubes.
- Incubate for 24 hours.
- Centrifuge at 200g for 10 minutes.
- Suspend the pellets in 1ml PBS.
- Centrifuge at 200g for 10 minutes.
- Remove half of the supernatant, then suspend it again.
Scanning Electron Microscopy (2016 Summer Experiment)
Samples | Centrifugal Force |
---|---|
INPNC-His-scFv(pSB3C5) 25μl+VLP2.5μl | 3000g |
BclA-His-scFv(pSB3C5)25μl+VLP2.5μl | 3000g |
INPNC-His-ctl 25μl+VLP2.5μl | 3000g |
BclA-His-ctl 25μl+VLP2.5μl | 3000g |
INPNC-His-scFv(pSB3C5) 25μl+VLP2.5μl | 200g |
BclA-His-scFv(pSB3C5)25μl+VLP2.5μl | 200g |
INPNC-His-ctl 25μl+VLP2.5μl | 200g |
BclA-His-ctl 25μl+VLP2.5μl | 200g |
Sample Preparation (E.coli+VLP)
- Prepare 45ml of sample E.coli liquid culture whose OD600 values are adjusted to 1.0
- Take 25μl, and pour into sample tubes.
- Centrifuge VLP with MiniCentrifuge. After tapping it, pour 2.5μl into tubes.
- Incubate for 24 hours.
- Centrifuge at 200g/3000g for 10 minutes.
- Suspend the pellets in 1ml PBS.
- Centrifuge at 200g/3000g for 10 minutes.
- Remove half of the supernatant, then suspend it again.
Sample Preparation (PBS+VLP)
- After tapping VLP, pour 2μl into 200ml PBS.
- Mark where pellets should have aggregated if E. coli were in the tube.
- Centrifuge at 200g for 10 minutes.
- Take 100μl of the supernatant, then pour into 1. tube.
Shape Analysis
- Determine aspect ratios of all E.coli from the SEM pictures using ImageJ.
- Conduct an F test on the aspect ratios using Excel2016 MSO (16.0.6701.1041), and compare BclA-His-scFv expressing E. coli with INPNC-His-scFv expressing E. coli.
- Conduct Welch’s t-test (two-sided) and compare BclA-His-scFv expressing E. coli with INPNC-His-scFv expressing E. coli.