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. 2020 Sep 26;2020:8865520. doi: 10.1155/2020/8865520

Table 2.

Degenerate 16S rRNA primers for PCR assays.

16S rDNA regions Degenerate primer sequence (5′-3′) Tm (oC) Amplicon length (bases)
(V1V2) F: TWACACATGCAAGTCGARCG 56–59 339
R: CAAWATTCCCCACTGCTGCC 58–59
(V4V5) F: CAGCCGCGGTAATACGDAGG 60–63 380
R: TGCGRCCGTACTCCCCAGGC 60–63
(V6V7V8) F: CGA WGCAACGCGAARAACCT 60–61 362
R: CGAGTTGCAGACTVCAATCCG 59–62

Degenerate bases (W = A/T, R = A/G, and D = A/G/T)