Hi all!

I have paired end reads of the V3-V4 region of the 16s. PCR amplification and sequencing was performed at macrogen facilities, in Korea. Sequencing was performe with Illumina MiSeq.

I have the following doubt:

Does macrogen removes primers from 16s sequences before delivering the final data?

Alternatively, how can I check if 16s sequences still have its primers?

Thanks in advance!

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