Table 1. The primers, probes, and thermocycling conditionsa that were used to detect Rickettsia africae, Rickettsia, and tick DNA in a novel multiplex qPCR assay for this study.
Target organism | Target gene | Primer name | Primer orientation | 5’-3’ sequence | Reference | Concentration (nM) |
---|---|---|---|---|---|---|
Tick | 16S | Tick-F2 | Forward | CTCTAGGGATAACAGCGTWATAWT | This study | 600 |
Tick-R | Reverse | GTCTGAACTCAGATCAAGTAGG | 600 | |||
Tick-P1 | Probe | 6-FAM/TGCGACCTC/ZEN/GATGTTGGATTAGGA/3’IowaBlack | 250 | |||
Amblyomma hebraeum | CO1 | Aheb_F | Forward | CATCATAATTGGCGGGTTTG | This study | 400 |
Aheb_R | Reverse | AGTAAACAAAGAGATGGTGGTA | 400 | |||
Aheb_P | Probe | Cy5/TGACTAGTT/TAO/CCAATTATGCTAGGTGCCC/3’IowaBlack | 250 | |||
Rickettsia africae | ompB | Raf1797F | Forward | TTGGAGCTAATAATAAAACTCTTGGAC | [25] | 100 |
Raf1915R | Reverse | GAATTGTACTGCACCGTTATTTCC | 100 | |||
Raf1879P | Probe | HEX/CGCGATGTTAATAGCAACATCACC GCCACTATCGCG/Black Hole Quencher | 250 |
aThermocycling conditions were as follows: initial denaturation of 95°C for 15 minutes followed by 40 cycles of 95°C for 45 seconds and 60°C for 90 seconds.