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Old 03-07-2013, 04:19 AM   #1
Location: Australia

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Default finding hangovers in contig/scaffold alignments


We have a nearly completed eukaryotic genome assembled into several thousand scaffolds (total lenghth is~350MB). There are ~8000 gaps (NNNs) in those scaffolds. Recently we received de-novo assembled contigs from a different strain of the same species. When compared (blast/blat etc.), What program/script would be most suitable:
1) To find all the contigs overlapping with the gap region of the scaffolds i.e. the overhangs as shown below:


2) For a good quality overlap (e.g. 50bp overlap with 2 matches) extend the scaffold with the sequence from the matched contig.

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Old 03-07-2013, 04:30 AM   #2
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Give Mauve ( a try.

CoGe ( and GEvo ( may be other possibilities.

Last edited by GenoMax; 03-07-2013 at 04:33 AM.
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