Questions tagged [sequencing]

DNA sequencing is the process of determining the precise order of nucleotides within a DNA molecule.

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High percentage of poly A sequences in 10X chromium R2 read

I'm currently analyzing two samples of eosinophil cells isolated from mouse lung and the samples are of very different quality. According to the Cell Ranger summary 56% of the reads can be mapped to ...
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dog coordinates (canFam3) to human coordinates (hg19)

I've converted dog coordinates to human using UCSC LiftOver. These are 200bp intergenic regions that are differentially methylated from normal dogs to cancer dogs. I've converted these to human ...
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Coverage required

I was came across a problem during an exercise in a book and I don't really know how to solve it. I feel like something's missing. "coverage, c = $NL/G$ (N=number of reads, L=read length, G=genome ...
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How can i get data set of illness and not illness people?

I'm new to bioinformatic .. i'm reading a paper and what i got that they made a classification for the people if they have a sequence of a disease or not ... ...
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1answer
81 views

Any user friendly way to find rare mutations in whole genome raw?

Is there any user friendly way to find rare mutations in the individual human whole genome sequencing raw data? (from Dante, 30x coverage). To be more specific, I want to find mutations from this ...
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1answer
51 views

CRISPR/Cas9 screen analysis with Mageck: paired-end sequencing

I want to analyse data from a CRISPR/Cas9 screen (control vs. treatment) and I'm using Mageck (https://sourceforge.net/projects/mageck/). The problem is that I'm working with paired-end sequencing ...
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35 views

Find the date that sequencing was performed

I've got a bunch of RNAseq datasets from ENCODE and I'm looking to identify variables contributing to variance among my samples. For example, is there any easy way to find out the precise date which ...
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Which software is recommended for sequencing primers selection?

I have a list of primers for sequencing fungal ITS1/2 regions. I also have access to different fungal databases. I would like to perform in silico PCR analysis for comparing different primer pairs and ...
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Using BaseRecalibrator in GATK4

GATK4's BaseRecalibrator uses a list of known variants to adjust the base quality scores in a BAM file. I would like to visualize the pre and post recalibration ...
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18 views

probability of an entire sequence, not just one value

I am reading "Statistical methods in bioinformatics" I came across this formula: As explained in the book O are the observations: My question is why the author ...
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21 views

What kind of error-correction code is used in the error-correction code DNA sequencing?

In 2017, Chen et al reported a DNA sequencing technology called error-correction code (ECC) sequencing [1]. They borrowed ideas from communication and coding theory and encoded information redundency ...
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Low Fraction of usable antibody reads in CiteSeq

we performed a combined gene expression and CiteSeq experiment with the 10x VDJ kit and 20 conjugated antibodies and sequenced on hiseq. I used cellranger to process the sequencing output. The ...
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How to confirming exon shuffling from genomic sequence, promoter sequence, and mRNA sequence?

I have the genomic sequence, promoter sequence, and mRNA sequence for a novel gene. It is thought that the gene is derived from exon shuffling of multiple genes. How do I characterize each of the 3 ...
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113 views

Crossover question from Coding Theory

I have a model that, for a given bit of code will produce a binary string. An example is given 01010101, it might produce {1,11}, and given 01010000, it may produce {2, 11}. I have a lot of these ...
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Sequencing Deciduous Plants

Firstly, I'm personally not in the field of Bioinformatics, so apologies if this is a dumb question. Does anyone know of any research that has been carried out on the sequencing of deciduous plant ...
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63 views

Help Adjusting Bedtools Output in R

I have been asked to write a script in R to edit, using data.frame, this .fa file that is the result from extracting gene sequences from a repeat masker coordinate file on the genome I am working with....
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I have two files: mys.nuc and ms.prep and need to use bioseq to extract the ORF sequences and save as “mys.nuc2”

Below are the two files I am working with: ...
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200 views

Web scraping in R

I have ~130 gene names of different human proteins. I'm looking for a convenient and systematic way to locate each gene's location in the genome, extract its CDS sequence and find whether there are ...