The process in which the DNA sequence of all or part of an organism's genome is obtained.

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Comparative cost of RNA-seq vs sequencing full length cDNAs

I am in the process of assembling and annotating the genome of a non-model organism, using almost exclusively short read (paired-end Illumina) data. Throughput is one obvious benefit of these data ...
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23 views

How can I create R8 (homopolymer repeat) filter without using illumina pipeline?

illumina instruments have built-in -or online- analysis software for variant analysis (CASAVA). This software can filter out the false positive variants near the homopolymer repeats (AAAAAAAA) and ...
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30 views

Which sequence assemblers I can use to compare different paradigms?

I'm a high school student whose interested in bioinformatics. Therefore I chose a project which I study Sequence Assembly. My main goal is to compare different paradigms (Greedy, OLC, De Bruijn). I ...
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118 views

Cheapest Way to Measure Germ Density

I would like to measure the surface density of Staphylococcus bacteria and Rhinoviruses (only those two, to be specific) within my home. What's the cheapest way? The textbook procedure is to: rub ...
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Does blood typing still provide a use for ancient tissue analysis?

Modern techniques. In recent years, DNA sequencing has become extremely cheap. This, compounded by the ability to PCR miniscule samples to viable samples for analysis, means that aDNA can be ...
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18 views

Inter-codon mutations statistical analysis

I am looking for a statistical approach to inter-codon mutations. For example a 64*64 (64*63 actually) table, that contain the possibility of mutation from one codon to another codon (CCA to CAA or ...
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213 views

Can Pfx polymerase add only one 3' A overhang?

I am trying to clone a PCR product that was amplified using Pfx polymerase into pGemT vector. I had to A-tail the PCR product using Taq polymerase since Pfx only generates blunt end products. My ...
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29 views

What is the meaning of this poor sequencing result?

What is the meaning of this poor sequencing result? What is the problem? Can anyone guide me, please. Thank you.
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53 views

What good is the MinION?

This year, Oxford Nanopore MinION has been shipped to some researchers for testing. The advantage of a table-top sequencer for diagnostics and personalized medicine is obvious. Similarly, research ...
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23 views

condensed protocol for sequencing a portion of human DNA from buccal sample

Anyone have a short & sweet protocol for PCR amplifying a region of human DNA (chromosomal or mt, I don't care) extracted from a buccal sample: including validated primer sequences and preferred ...
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23 views

what are hyperbranched amplicons in DNA sequencing?

I am reading an article about single-cell sequencing: http://www.nature.com/nbt/journal/vaop/ncurrent/full/nbt.2720.html And came across the concept of "hyperbranched amplicons". I googled for it but ...
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62 views

Reverse complement of reconstruction model for assembling reads

One way to assemble fragments produced by DNA sequencing (often called reads) is to seek for the shortest common superstring that contains all the reads of a given set of reads. One model for this ...
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5 views

Why low variant frequency in exomeseq data (ANNOVAR)?

I've got an annotated ANNOVAR file with 300.000 nucleotide variants of 4 genomes. There's one thing I don't understand when looking at the data: Why are the variant frequencies so low in comparison to ...
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18 views

EMBOSS matcher and supermatcher - incongruent results?

I am trying to align a sequence to the mouse genome. I know a priori that part of my sequence should align to chromosome 9, but not all of it. I gathered that EMBOSS' ...
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51 views

Miseq loading with low concentration library

I have made a DNA library for miseq using truseq pcr-free dna HT kit (550bp insert). The problem is that at the end of library preparation and pooling, I need at least 2nM of library for denaturation. ...
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29 views

Superpatients for Cancer resistance

I was reading an article on MIT Technology review about superpatients for low cholesterol that got me thinking whether such patients exist for cancer. The article is ...