Synthetic biology is an approach to engineer biology. Core to the discipline is genetic engineering, which is made more akin to engineering by adding the levels of standardization, automation, and abstraction.

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What is the spacing between stop codon and transcription terminator?

When one tries to express a protein from a synthetic plasmid in E. coli, how many base pairs should there be between stop codon and the transcription terminator site?
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65 views

Forum on synthetic biology and hypothetical biology?

I am interested in synthetic biology, but not a scientist, and would like some advice on where to look for an online forum on synthetic biology and creating fictional species and animals or if someone ...
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330 views

Ribosomal Turing Machines, DNA/RNA computation

I'm a computer science guy, recently crossing over to do some research in computational biology on RNA secondary structure prediction. While looking through the materials I got a crazy idea, what if ...
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64 views

Is it possible to remove one strand of double stranded DNA in vivo?

Assume we do have a double stranded DNA sequence in human cells, say ...ATCGATATCGATATTGCAGAGCATAGCTATAA... ...TAGCTATAGCTATAAGCTCTCGTATCGATATT... Now I want to ...
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34 views

Barcode exchange between neighbouring cells

I am currently interested in equipping animal cells in a tissue with individual barcodes. These barcodes should get amplified in the cells (not to a cell degrading extent, of course), and also ...
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22 views

XNAs as a Genetic material [closed]

I heard there is a new genetic material called XNAs.I wanted to know more about this.Does anyone about XNAs as genetic material?
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39 views

His Tag location in gene circuit

I am part of an undergraduate research group and we are trying to produce a protease in an E.coli gene circuit. We are not sure where to place the His tag in our circuit. The sequence is ...OmpA(gene)-...
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32 views

T7 Tagging Next to Met

Will a T7 tag still work if it is placed next to a start codon? Meaning, will it still work with a Met attached to it in the amino acid sequence? Thank you!
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Assembling DNA fragments with ~10kb overlap in vitro

Let's say I have two fragments of bacterial DNA (~50kb in length each) that overlap on the ends by roughly ~10kb; the overlap sequences are unknown. I would like to assemble these into longer ...
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22 views

Will tagging a protease with HlyA for secretion inactivate the protease?

We are looking to secrete the protease proline iminopeptidase by attaching the secretion signal HlyA to the protease in a gene circuit. Since the natural HlyA secretion sequence in Escherichia coli ...
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Why does pETDuet-1 only have one T7 terminator but two T7 promoters?

Why does pETDuet-1 only have one T7 terminator but two T7 promoters (vector map below)? Is there any advantage of having only one terminator? There are going to be two mRNAs transcribed from this ...
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20 views

What is the highest number of genes expressed under one T7 promoter?

What is the highest number of genes expressed under one T7 promoter? Also, what is the longest polycistronic mRNA? I am interested in the context of heterologously expressing biosynthetic gene ...
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21 views

Synthetic biology: examples of cell orientation driven by genes or genetic modification

First of all, forgive for the naive question. I know that genes can drive the shape of cells, as the sickle-shaped red blood cells. On the spirit of synthetic biology or tissue engineering, does ...
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28 views

How do genetic logic gates work?

Recently researchers at MIT have developed genetic logic gates which can be built into programs. How do these "genetic logic gates" work? "The language is based on Verilog, which is commonly used to ...
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Some kind of better oxygen-transport protein or something… Can you help me find it?

I remember reading about artificial or man-made, oxygen-transport protein that is somehow an improvement on hemoglobin, and that it is possibly immune to sickle-cell anemia, or something... But I ...
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444 views

Can genetic engineering be performed without a laboratory setting? [closed]

I'm becoming more interested in genetic engineering as I learn more about it, and it's becoming more and more apparent that there's very few resources on genetic engineering at home. A similar ...