Team:UCLA/Project/Interlab Study

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SilkyColi: Reprogramming the physical and functional properties of synthetic silks

2015 InterLab Study

Introduction

The 2015 UCLA iGEM Team is proud to participate in the Second International InterLab Measurement Study in synthetic biology. As members of the synthetic biology community, we are committed to providing robust data for development of novel characterization methods in the rapidly growing biological design fields of synthetic biology. The purpose of the 2015 InterLab study is to "measure and characterize fluorescence data for three specific genetic devices" expressing GFPmut3b (SwissProt: P42212) from active iGEM teams participating around the world. By collecting fluorescence data from multiple teams in absolute units, variability in measurement and consistency of data collected from instrumentation following a uniform procedure can be determined within a high degree of accuracy. This notebook will record all protocols, daily experiments, basic parameters and images, as well as the raw data used to prepare the Interlab Worksheet, Protocol, and Wiki page for submission at the 2015 Giant Jamboree.

Experimental Design

Three separate genetic "devices" were constructed using IDT gBlocks Gene Fragments synthesis, in addition to positive control BBa_I20270 (Constitutive Family Promoter J23151 inserted upstream of the promoter MeasKit) and negative control BBa_R0040 (pTetR - empty control plasmid). All gBlocks were designed on Benching to simulate the sequence of the BioBricks standard assembly product, for uniformity in measurement with teams that opted for RFC10 standard assembly. All devices were subcloned in the standard pSB1C3 (chloramphenicol resistance marker) backbone and transformed into BL21(DE3) Escherichia coli . As such, E. coli BL21(DE3) laboratory strains were used as the chassis for fluorescent measurement. Details as to the location of the registry pieces used to construct the devices are below:

Device #	Benchling Link	Spec Sheet & FASTA File	Promoter	GFP Generator	Final Device Backbone
Device #1	https://benchling.com/s/EnB0uD9g/edit	Specs and FASTA	[http://parts.igem.org/Part:BBa_J23101 BBa_J23101]	[http://parts.igem.org/Part:BBa_I3504 BBa_I3504] (B0034-E0040-B0015)	pSB1C3
Device #2	https://benchling.com/s/hX68sjpy/edit	Specs and FASTA	[http://parts.igem.org/Part:BBa_J23106 BBa_J23106]	[http://parts.igem.org/Part:BBa_I3504 BBa_I3504]	pSB1C3
Device #3	https://benchling.com/s/8q493PdY/edit	Specs and FASTA	[http://parts.igem.org/Part:BBa_J23117 BBa_J23117]	[http://parts.igem.org/Part:BBa_I3504 BBa_I3504]	pSB1C3
Positive Control [http://parts.igem.org/Part:BBa_I20270 BBa_I20270]	N/A	N/A	[http://parts.igem.org/Part:BBa_J23151 BBa_J23151]	GFPmut3b Promoter MeasKit (B0032-E0040-B0010-B0012)	pSB1C3
Negative Control [http://parts.igem.org/Part:BBa_R0040 BBa_R0040]	N/A	N/A	TetR repressible promoter (BBa_R0040)	N/A	pSB1C3