Unconfigured Ad

Collapse
X
 
  • Filter
  • Time
  • Show
Clear All
new posts
  • antoza
    Member
    • Aug 2013
    • 18

    normalize bam files from 4 conditions

    Hi all,
    I have 100 bp single reads RNAseq data (4 conditions X 3 replicates). I have the 12 relevant bam files (using tophat) and I have merged the 3 bam files per condition, so I come with 4 merged bam files in order to load them in IGV and have an approximate visualization per condition. However, since those data is not normalized I could not compare them. I saw that you can use bamCoverage (deep tools) to converts a single BAM file into a bigWig file, enabling you to normalize for sequencing depth.

    Just to say that using EdgeR I have calculated the Normalization factors for each of the 12 samples and I am wondering whether I can exploit also these factors to normalize the 4 merged bam files.

    Again my main goal is to normalize these 4 merged bam files so that they are comparable in order to create BigWig files to display the RNA-seq normalized density histograms in IGV. I think that I can normalize them either by a scaling factor or by RPKM.

    Can anyone suggest a way of doing that using deep tools (https://github.com/fidelram/deepTool...Normalizations) or something else?
    Thanks very much!

Latest Articles

Collapse

  • SEQadmin2
    Cancer Drug Resistance: The Lingering Barrier to Rising Survival
    by SEQadmin2



    Cancer survival rates have significantly increased in the last few decades in the United States, reaching a combined 70% 5-year survival rate by 2021. Behind this number, there are years of research to find new therapies, drug targets, and early detection methods. But there is one core challenge that keeps slowing down these advances, and it’s about drug resistance.

    There is no single reason why many patients don’t respond to treatment as expected. Cancer is...
    Yesterday, 05:17 AM
  • GATTACAT
    Reply to Nine Things a Sample Prep Scientist Thinks About Before Sequencing
    by GATTACAT
    Love this - good data definitely starts from good input, and poor input can only give relatively poor data. I particularly like the mention of Nanodrop/absorbance based methods for quantification. It's such a toss up if you'll get an accurate reading or what amounts to a randomly generated number, and a lot of library/sequencing related issues can be traced back to poor quant.
    07-01-2026, 11:43 AM
  • SEQadmin2
    Nine Things a Sample Prep Scientist Thinks About Before Sequencing
    by SEQadmin2


    I’m not a sequencing expert. I’m a purification scientist who uses NGS to evaluate workflows my group develops. With this perspective, we think about the sample first and the NGS workflow second. The sequencer is an exceptionally honest reporter, but it can only report on what you give it, so whether you get clean, interpretable data from an NGS workflow is largely determined before you begin.

    Here are nine questions we think about, in roughly the order they matter, before...
    06-18-2026, 07:11 AM

ad_right_rmr

Collapse

News

Collapse

Topics Statistics Last Post
Started by SEQadmin2, Yesterday, 10:08 AM
0 responses
6 views
0 reactions
Last Post SEQadmin2  
Started by SEQadmin2, 07-07-2026, 11:05 AM
0 responses
8 views
0 reactions
Last Post SEQadmin2  
Started by SEQadmin2, 07-02-2026, 11:08 AM
0 responses
31 views
0 reactions
Last Post SEQadmin2  
Started by SEQadmin2, 06-30-2026, 05:37 AM
0 responses
29 views
0 reactions
Last Post SEQadmin2  
Working...