The presence of TbNup92 in Naegleria and the Amoebazoa is highly significant, in that it embraces lineages on both sides of the putative root, indicating an origin before their division but with apparent extensive secondary losses, counting for the absence from the vast majority of extant taxa.
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Nuclear pore complex evolution: a trypanosome Mlp analogue functions in chromosomal segregation but lacks transcriptional barrier activity.
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