TABLE 2.
Primer sets used for virus quantification, RT-PCR detection, and complete-genome sequencing
| Primera | Sequence (5′–3′)b | Locationc | Use |
|---|---|---|---|
| HEV-07_f | GGTGGTTTCTGGGGTGAC | 5261–5278 | Real-time RT-PCR assays for HEV-1 to HEV-4 |
| HEV-TM3_f | FAM-TGATTCTCAGCCCTTCGC-MGB | 5284–5301 | |
| HEV-08_r | AGGGGTTGGTTGGATGAA | 5330–5313 | |
| HEV-38_f | GARGCYATGGTBGAGAARG | 4084–4102 | Nested RT-PCR for HEV-1 to HEV-4 of ORF1 region |
| HEV-39_r | GCCATRTTCCARACRGTRTTCC | 4622–4601 | |
| HEV-37_f | GGTTYCGYGCYATTGARAARG | 4277–4297 | |
| HEV-27_r | TCRCCRGARTGYTTCTTCC | 4583–4565 | |
| HEV-30_f | CCGACAGAATTRATTTCGTCGG | 6296–6317 | Heminested RT-PCR for HEV-1 to HEV-4 in ORF2 |
| HEV-32_f | GTCTCRGCCAATGGCGAGCCRRC | 6350–6372 | |
| HEV-31_r | GTYTTRGARTACTGCTGR | 6750–6733 | |
| HEV-15_f | TGTGGTCGAYGCCATGGAG | 15–33 | HEV-3 full-length genome fragment 1 |
| HEV-23_r | CRTCCTCAGAGGCRTTCC | 1129–1112 | |
| HEV-24_f | GCTGYTCACGGCTWATGAC | 1034–1052 | HEV-3 full-length genome fragment 2 |
| HEV-16_r | AAKGGATTGGCMGACTCCC | 2108–2090 | |
| HEV-137_f | TCTAATGGCCTGGACTGTACTG | 1894–1915 | HEV-3 full-length genome fragment 3 |
| HEV-124_r | TGGACCGAYGAGGCYCGCTGCAT | 3176–3154 | |
| HEV-123_f | AGGGTTGAGCAGAACCCYAAGAGGC | 2602–2626 | HEV-3 full-length genome fragment 4 |
| HEV-18_r | CTGYTCAAGCTCTGGGCARG | 3831–3812 | |
| HEV-157_f | TACCACCAGCTKGCTGAGGAG | 3751–3771 | HEV-3 full-length genome fragment 5 |
| HEV-41_r | GCCATGTTCCAGACDGTRTTCCA | 4622–4600 | |
| HEV-28_f | ATGGAGGAGTGTGGBATGC | 4465–4483 | HEV-3 full-length genome fragment 6 |
| HEV-20_r | GAAGGGGTTGGTTGGATG | 5332–5315 | |
| HEV-126_f | TGCCTATGCTGCCCGCGCCACC | 5187–5208 | HEV-3 full-length genome fragment 7 |
| HEV-129_r | ACCYCCRGCCGACGAAATCAATTCTG | 6325–6300 | |
| HEV-05_f | CCGACAGAATTGATTTCGTCGG | 6297–6318 | HEV-3 full-length genome fragment 8 |
| HEV-22_r | CTCCCGRGTTTTACCYACCT | 7123–7104 | |
| HEV-154_f | CAAARGYACARCGRGARAATCCATC | 493–469 | HEV-3 5′ RACE |
| HEV-155_r | CGGCCGRACCACCACAGCATTCGC | 135–112 | |
| HEV-133_f | GCCTTGGTGCTGGTCCTGTATC | 6906–6927 | HEV-3 3′ RACE |
| HEV-134_r | ACTATCCCGCTCGTGCTCATAC | 6990–7011 |
Forward primer designations end with _f; reverse primer designations end with _r.
Primers and probes are adapted from the work of Jothikumar et al. (30). I, inosine; FAM, 6-carboxyfluorescein; MGB, minor groove binder. R stands for G or A; Y stands for C or T; S stands for G or C; W stands for A or T; M stands for A or C; K stands for G or T; H stands for A, C, or T; and N stands for A, T, C, or G.
Numbered according to the HEV prototype strain from Burma (GenBank accession no. M73218).