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Explanation of differential alignment rates? #1908

Closed sr320 closed 3 months ago

sr320 commented 4 months ago

With sea star data, ran 1) Hisat with genome, 2) Kallisto with cds as defined by genome, and 3) Kallisto with 10 year old transcriptome. Exact same reads.

Alignments 1) Hisat with genome

2) Kallisto with cds as defined by genome

3) Kallisto with 10 year old transcriptome

There is a lot going on here -

a) why do some samples have reduced alignment only when associated with new genome? (1 and 2) b) why is there such a big difference in 1) and 2) with respect to alignment rate? c) what is next step?