Table 1. Conservation of intron position in T. vaginalis genes and in orthologous genes from other eukaryotic lineages.
| Gene/organism | H.s. | D.m. | C.e. | A.t. | S.p. | S.c. | P.f. |
|---|---|---|---|---|---|---|---|
| PAP1 94 | 0 | — | — | — | — | — | — |
| Cent 116, 122, 127 | 0 | 0 | — | — | — | — | — |
| SCP 67, 70, 76 | — | — | 2 | — | — | — | — |
| TAF6 81, 91 | 3 | — | 1 | 4 | — | — | — |
| STK 93 | 3 | 3 | 0 | 2 | 4 | — | — |
| STK 59, 68, 105 | — | — | — | 0 | — | — | 4 |
| STK 70, 78 | — | 2 | 3 | 4 | 1 | — | — |
| STK 110, 114, 134 | 0 | 1 | 0 | 3 | 3 | — | — |
| STK 99 | 0 | — | 2 | 3 | — | — | — |
| STK 196 | 2 | 3 | 2 | 2 | — | — | 4 |
Genes are abbreviated as follows: PAP, poly(A) polymerase; SCP, small C-terminal domain phosphatase; and TAF6, TBP-associated factor TAF6, where numbers correspond to intron length. Organisms are abbreviated as follows: H.s., Homo sapiens; D.m., Drosophila melanogaster; C.e., Caenorhabditis elegans; A.t., Arabidopsis thaliana; S.c., Saccharomyces cerevisiae; S.p., Schizosaccharomyces pombe; and P.f., Plasmodium falciparum. 0 indicates an intron at the same position, and 1, 2, 3, or 4 indicates the presence of an intron shifted in position by one to four amino acids relative to the T. vaginalis intron. — indicates the absence of an intron in a similar position in the orthologous gene. See Table 5 and Supporting Text for detailed analyses.