walk through the y project - dna-fingerprint.com...wty project in numbers - 494 participants -...
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Dipl.- Ing Thomas Krahn
FTDNA Conference 2012Houston TX
Walk Through The Y Project
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Participants - Haplogroups
All European haplogroups covered. Missing: B, D, M, S
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WTY Project in Numbers
- 494 Participants
- 541,153 sequencing traces
- 288.5 Million basepairs sequenced
- 112.8 Million bp of Y chromosome DNA was covered
- 230,000 bp average coverage per participant
- 963 novel human Y-SNP markers were found
- 198 Participants didn't find a new SNP in their DNA
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WTY Project in Numbers
- 494 Participants
- 541,153 sequencing traces
- 288.5 Million basepairs sequenced
- 112.8 Million bp of Y chromosome DNA was covered
- 230,000 bp average coverage per participant
- 963 novel human Y-SNP markers were found
- 198 Participants didn't find a new SNP in their DNA
366
409,771
125.8M
65.9M
2011
180,000
458
167
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WTY Coverage
New segments were added because they became available from research activities.Chance of finding a new SNP stays approximately constant because old segments areextensively explored and chance of finding a new SNP there is decreasing.
2 x 384 well
1x 384 + 1 x 96 well
3 x 96 well
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Future WTY Assay Shifts Plates
Plate 1
Plate 2
1 to 384
385 to 768
Segment #
768
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Future WTY Assay Shifts Plates
Plate 1
Plate 2
Plate 3
1 to 384
385 to 768
769 to 1152
Segment #
Old, well researched segments
Novel primer pairsfresh from development
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Active WTY Support from the Community
- DNA-Forums.org has a sticky thread that informs about new WTY results and digests the raw scientific information a bit so that non-specialists can understand at least the important new developments.
- Active haplogroup specific WTY projects organize WTY candidates and make sure that important branching points will get sampled.
- Active administrators of such projects often know better than FTDNA what changes to the Draft Tree are necessary. They do a good job of informing me by e-mail and correcting my errors.
- Some very advanced customers have recently mined public sequencing data (e.g. from the 1000 genomes project) and extracted a very good set of SNP candidates (Z series). They suggested the most promising markers and even helped me to design the primers for them.
A BIG
You're awsome!
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What About Next Gen ChrY Sequencing?
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454 Raw Datahttp://ymap.ftdna.com/GRC
Sample hg Coverage Confirmed SNPs Novel SNPs
GRC006556 J-M267* 5,833,145 1,523 YSC307...YSC1330 ~1000 new
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Artefacts
Bubble
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Illumina MiSeq
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Illumina HiSeq
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NG Technology Comparison
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Hi Thomas,
I've spoken with software, and they are aware of the processing problems. Apparently it has something to do with not uploading the input file properly. They are updating their current software build today. This should not affect the designs currently underway. Also, they restarted the design in your account that crashed, so it should be processing now.
I am currently looking into getting the project into the R&D designer as a backup solution.
As for the oligos that you want to help design, I'm sorry for the delay, but I've had to speak with some of the development and project management teams, and I regret to say that I may have overpromised on what we can do. Namely, I will not be able to share the oligo specifications for the enrichment assay, as this is proprietary information. Part of the problem is that we will be rolling out this functionality (i.e. letting customers add in their own content) next year, and so we really cannot release this kind of information at present. I'd like to apologize for overpromising what we could do.
However, we likely can do what you wish via collaboration, which would entail letting us design the content for you. We may want to wait and see what the Design Studio results look like before we get too far along with this strategy anyway, as there may be significant overlap in the probe sets.
Sincerely, XXXX
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New Enrichment DesignIllumina (preliminary)
“In all, we submitted 1746 targets, comprising about 19.9Mb of sequence, and the designer generated 132,179 probes. 58,539 of these have scores under 0.1, which is an arbitrary cutoff for a low scoring probe.”
Ideally ~60,000 probes may work. Each probe may cover about 300 basesMakes about 18 Million bases coverage...
Let's see....
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Average Candidate Score
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Hg A00
http://prezi.com/kz2c-q4b-_m1/a00-on-the-y-haplogroup-tree/