Summary of observed intron gains and losses
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aF or Y indicate P. falciparum and P. yoelii, respectively (e.g., F1 indicates that the first (5′-most) intron in the P. falciparum gene is in a good region of alignment but absent in P. yoelii). Boldface type indicates intron positions whose phylogenetic distributions suggest intron loss regardless of phylogeny.
bA corresponding region could not be found in P. gallinaceum, thus intron presence/absence in that species is unknown (all 26 other introns are present in P. gallinaceum), thus intron loss/gain is unknown regardless of phylogeny.
cIntron presence in the primate malarias P. knowlesi and P. vivax.
dPresence in T. gondii.
ePresence in T. annulata and/or T. parva.
fPresence in E. tenella.
