Table 1. Universal primers for 16S and CO1 genes with associated blocking primers.

Primers	Sequence 5'-3'	Reference
16S1F	GACGAKAAGACCCTA	[12]
Herring Blocker	GACCCTATGGAGCTTTAGACGCCCAC3	This study
16S2R	CGCTGTTATCCCTADRGTAACT	[12]
Puffin Blocker	CCCTGGGGTAGCTTGGTCCATTGATCC3	This study
Uni-MinibarF1	TCCACTAATCACAARGATATTGGTAC	[33]
Uni-MinibarR1	GAAAATCATAATGAAGGCATGAGC	[33]

Italics on 5’ region of blocking primers depict area of overlap on 3’ end of universal primer.