Table 2.
Blastocystis sp. subtype distribution in different African countries. Subtypes assigned by sequence-tagged site primers or partial sequencing of the SSU-rRNA gene
| Country [reference] | Subtyping method | No. of observations | Subtypea | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | Mixed | |||
| Egypt [17] | STSc | 44 | 8 | – | 24 | – | – | 8 | 4 | – | – | – |
| Egypt [18] | Sequencing | 21 | 4 | 4 | 13 | – | – | – | – | – | – | 1d |
| Egypt [19] | STSc | 110 | 15 | – | 49 | – | – | 33 | 13 | – | – | 10d |
| Egypt [20] | STSc | 36 | 6 | – | 30 | – | – | – | – | – | – | – |
| Liberia [16] | Sequencing | 25 | 7 | 7 | 8 | 3 | – | – | – | – | – | 5e |
| Libya [16] | Sequencing | 38 | 19 | 3 | 15 | – | – | – | 1 | – | – | – |
| Libya [21] | Sequencing | 48 | 26 | 13 | 9 | – | – | – | – | – | – | 3d |
| Nigeria [16] | Sequencing | 22 | 10 | – | 9 | 3 | – | – | – | – | – | 1e |
| Senegal [9] | Sequencing | 93 | 29 | 21 | 51 | 2 | – | – | – | – | – | 8d |
| Tanzania [22] | Sequencing | 6 | 1 | 3 | 2 | – | – | – | – | – | – | – |
| Tanzaniab | Sequencing | 92 | 36 | 28 | 27 | – | – | – | 1 | – | – | – |
| Total | 535 | 161 | 79 | 237 | 8 | – | 41 | 19 | – | – | 28 | |
aSubtypes denoted according to a consensus denomination [12]
bPresent study
cSTS = sequence-tagged site primers (specific for each subtype 1–7)
dSubtypes involved in mixed infections were resolved and were added to the distribution
eSubtypes involved in mixed infections were not resolved