I was uploading my RNA-seq assembly in TSA and I am not sure how to proceed. 743 sequences from my assembly got flagged with Code(VECTOR_MATCH) UniVec vector: gnl|uv|NGB00150.1:1-46 Ambion FirstChoice RLM-RACE 3' RACE adapter. I find it weird because I thought I already removed adapters prior to assembly using trimmomatic + fastqc. I have searched for the sequence of the adapter. What I want to know is how do I safely trim out the adapter sequence. I mean what if the vector is at the middle portion of the sequence, is it still acceptable to just remove the chunk and merge the two segments together? I could not find any sources to answer this at the moment that's why I am here.
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NGS has revolutionized clinical microbiology by offering new ways to identify and surveil pathogens without prior knowledge of the target. One popular approach is 16S rRNA and ITS amplicon sequencing, which targets specific microbial markers. But studies are increasingly incorporating shotgun metagenomics, a technique that sequences all DNA from a sample without targeting specific microbial markers. This approach allows more detailed taxonomic classification,...10-30-2026, 06:46 AM