From 2012.igem.org

Revision as of 09:41, 17 September 2012

• Home
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• Project
  • 1. Introduction
  • 2. PnA System
  • 3. Virus-Like Particles
    • CCMV
    • HepB
    • Polerovirus Natural BioBrick
  • 4. Outside Modification
  • 5. Inside Modification
  • 6. Detection of VLPs
  • 7. Applications
  • 8. The Constructor
  • 9. Final Overview
• Human Practices
  • Human Practices Home
  • 1. Mini Symposium
  • 2. Visiting Secondary Schools
  • 3. Discovery Festival
    • Communication Science
  • 4. Stakeholders
  • 5. Munich CAS Conference
• Safety
  • Introduction
  • 1. General safety
  • 2. Virus-related safety
  • 3. Regulations
  • 4. Safety suggestions
  • 5. Safety of applications
• Modeling
  • Human Body Model
  • Tertiary folding prediction
  • VLP assembly model
• Attributions
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Last year's project: Synchronized Oscillatory System

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week 4: 21 may - 27 may

office work

This week feeled a bit of a slow week. Two of our team members were a day sick. After the great succes with the phyre2 program, we searched for a program that uses the output of the phyre2 program to predict the quaternary structure of the VLPs. In other words can a VLP be formed. We found out that there aren't many programs that can accuratly predict the quaternary structure and the programs that are there aren't really compatible with phyre2. Besides getting stuck with the prediction model Mark investigates further for a new method to determain if VLPs were formed. He found two methods that can be used: assymetric flow field-flow fractionation (AFFFF) followed by multi angle light scaterring (MALS) and dynamic light scattering (DLS). Thijs and Jasper continued further with the development of the deconstructor and are hoping that after the weekend the program is ready for beta testing.

[meeting]

written by: Mark

lab work

Testing CCMV protocol

Monday:

• Sonified 6 x 30 seconds, output 3-4, amplitude around 20 on ice! cool as much possible, 50 seconds on ice between 30 second steps.
• lysate in 50 ml disassembly buffer.
• Centrifuged at 15000 RPM, 3 minute
• Start dialysis

Tuesday:

• Took negative control for SDS, non induced BL21 CCMV,
• Grew overnight in LB+kan

• Sample transferred to new tube
• Stored in -20 degree Celcius

Thursday:

• BL21 Plated and grown in Greiner tube 10 ml tube

1. BL21 2 plates freezer
2. BL21 2 Greiner tubes 30 degree Celcius stove

• SDS-PAGE to check for the abundance of CCMV wt capsid proteins
  • 10% SDS gel
  • staining for 15 min with Coomassie blue following 15 min of destaining

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