Table 2. Effect of putative MSP1a tandem repeat 2-D structure on A. marginale tick transmission phenotype.
| Strains | MSP1a tandem repeats 2D structure | Transmission by ticks | ||
| Dermacentor spp. | R. sanguineus orR. microplus | H. excavatum | ||
| USA/Idaho/C - (D5, E) | (α-α, α-α, α-α, α-α, α-α, α-α) | Yes (*) | ND | ND |
| Puerto Rico/Puerto Rico/C - (E, φ5) | (α-α, α-α, α-α, α-α, α-α, α-α) | Yes (***) | Yes (***) | ND |
| USA/Virginia/G - (A, B) | (α-α, β-α) | Yes (*) | ND | ND |
| USA/St.Maries/G - (J, B2) | (α-α, β-α, β-α) | Yes (*) | Yes(***) | ND |
| USA/Oklahoma/G - (U) | (α-α) | Yes(+) | ND | ND |
| USA/Missisippi/D - (D4, E) | (α-α, α-α, α-α, α-α, α-α) | Yes(*) | ND | ND |
| USA/Rassmusen/− (A, F, H) | (α-α, α-c, α-c) | Yes(*) | ND | ND |
| USA/Kansas/− (E, M, φ) | (α-α, α-c, α-α) | Yes(−) | ND | ND |
| Nigeria/Zaria/− (54, 55, F) | (β-β, α-c, α-c) | Yes(**) | ND | ND |
| Israel/Israel tailed/F - (1, F, M, 3) | (α-c, α-c, α-c, α-c) | ND | Yes(****) | Yes(****) |
| Israel/Israel non tailed/G - (1, 4) | (α-c, α-β) | ND | Yes(****) | No(****) |
| USA/Florida/G - (A, B7) | (α-α, β-α, β-α, β-α, β-α, β-α, β-α, β-α) | No(*) | ND | ND |
| USA/California/G - (B2, C) | (β-α, β-α, β-c) | No(*) | ND | ND |
| USA/Okeechobee/G - (L, B, C, B, C ) | (α-α, β-α, β-c, β-α, β-c) | No(*) | ND | ND |
| USA/Illinois/G - (M, N, B, M, H) | (α-c, α-α, β-α, α-c, α-c) | No(*) | ND | ND |
The information about transmission of A. marginale strains by ticks was collected from (*) de la Fuente et al. (2003) [10],
(**) Zivkovic et al. (2007) [65],
(***) Futse et al. (2003) [44],
(****) Shkap et al. 2009 (****) [39],
TCE-binding tandem repeats are underlined. Abbreviation: ND, not determined.