A Visual Guide to DNA Sequencing
43 points by surprisetalk 10 hours ago | 10 comments

ben1040 7 hours ago
I worked in this space for over a decade. It's so weird to me to see the workhorse sequencing hardware like the ABI 37x/37xx series, 454, and Illumina machines now as literal museum pieces.
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searine 5 hours ago
Agreed. Seeing million dollar sequencers on ebay for a few thousand bucks makes me want to reach for my wallet, but the I realize there are no reagents for it anyway.
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ben1040 4 hours ago
Back in 1999 I joked that the ABI 3700 looked like a $300K mini fridge. Now you could actually get one on eBay and convert one for cheap.
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jonn_smith 5 hours ago
Nice writeup, but missing 2 newer sequencers:

Roche's Sequencing By Expansion platform and UltimaGenomics' platform

(edited for clarity)

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mfld 4 hours ago
Yes, they are only mentioned in the last section. Other notable misses would be Ion Torrent and MGI. Still a nice article with a focus on the key technologies.
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urza 5 hours ago
We need PC revolution for biology. Put a box on every table we can tinker with.
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conception 2 hours ago
You can get a USB sequencer for about 150 bucks
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voidUpdate 8 hours ago
So it's not just a strong magnifying glass and tiny tweezers?
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adrian_b 6 hours ago
The nanopore technique described towards the end is not that far from your description.
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dnautics 5 hours ago
they kinda tried that and it is my understanding that it sucks. One example of "direct linear mapping":

https://pdfs.semanticscholar.org/5080/78a97f4778eee488e11032...

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