I have only one 454 dataset here, but when I put that together with my Illumina 
data, I got worse assemblies with it. I assumed, like Sebastian mentioned, that 
this could be due to the homopolymer errors.
________________________________________
From: raw...@gmail.com [raw...@gmail.com]
Sent: Friday, December 06, 2013 7:20 PM
To: Sébastien Boisvert
Cc: denovoassembler-users@lists.sourceforge.net; Sébastien Boisvert
Subject: Re: [Denovoassembler-users] Ion Torrent + Illumina Hybrid Assembly     
on Ray

Hello,

Yes, I tried both. When I put Ion torrent reads with illumina or do just Ion 
torrent reads I get terrible assemblies. I am more of a fan of illumina but I 
have the Ion Torrent data and would like to get something out of it.
Also, any thoughts for 454 and Illumina Hybrid assembly? I get okay assemblies 
but it wondering if there were ways to improve them.

Cheers
Rick
------Original Message------
From: Sébastien Boisvert
To: Rick White
Cc: denovoassembler-users@lists.sourceforge.net
Cc: Sébastien Boisvert
Cc: Pier-Luc Plante
Subject: Re: Ion Torrent + Illumina Hybrid Assembly on Ray
Sent: Dec 6, 2013 9:09 AM

On 26/11/13 02:22 PM, Rick White wrote:
> I have some 200bp Ion Torrent Mate Pair data, Paired 250x2 MiSeq reads and 
> have merged the overlapping reads from the Illumina data.
>
> When I try to run standard parameters in Ray the assemblies are worse with 
> the addition of the Ion Data.
>
> Do you have parameters that could help me out?
>

I don't.


It may be due to homopolymers.


By the way, Ray will perform better with unmerged paired reads. Did you try 
unmerged paired Illumina reads too ?

> Cheers
> Rick
>
> --
> Richard Allen White III M.S.
> PhD Candidate - Suttle Lab
> Department of Microbiology & Immunology
> The University of British Columbia
> Vancouver, BC, Canada
> cell. 604-440-5150
> http://www.ocgy.ubc.ca/~suttle/ <http://www.ocgy.ubc.ca/%7Esuttle/>
>
>


Sent from my “contract free” BlackBerry® smartphone on the WIND network.
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