Table 2 Characteristics of subspecies and subgroups within Trypanosoma brucei See text for explanation
From: Species concepts for trypanosomes: from morphological to molecular definitions?
Subspecies | Distribution | Host range | Transmission | Growth in rodents | Genetic variability | Presence of SRA gene |
|---|---|---|---|---|---|---|
Trypanosoma brucei brucei | Tropical Africa | Wild & domestic mammals, not humans | Tsetse | Fast | +++ | - |
Trypanosoma brucei rhodesiense | East Africa | Humans, wild & domestic mammals | Morsitans group tsetse | Fast | ++ | + |
Trypanosoma brucei gambiense Group 1 | West & Central Africa | Humans, wild & domestic mammals | Palpalis group tsetse | Slow | + | - |
Trypanosoma brucei gambiense Group 2 | Ivory Coast | Humans, wild & domestic mammals | Palpalis or morsitans group tsetse? | Fast | ++ | - |