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As far I know, before assembly of a genome, all k-mers from read should be counted.

  • But after that, how the genome assembly be done?
  • Is there any other thing needed along with k-mer counts?
  • How the standard value of k is determined for a particular genome assembly? or is it fixed for all kind of assembly?

I just want to know the basic concept that how this actually been done. Explanation with flow char or algorithm is much more appreciated.

I went through some similar question, but those did not help me too much.

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There are multiple ways of doing genome assembly. The term you are probably looking for is "De Bruijn-Graph based assembly". Using this you can find a lot more different explanations of how it is done.

Another frequently used method is "Overlap Layout Consensus assembly", which in fact is not based on k-mer counting.

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