Previous Article Next Article Table of Contents Science, Vol.287, No.5456, 1219-1219, 2000 DOI10.1126/science.287.5456.1219 Export Citation Evolutionary biology - A powerhouse divided Martin W Keywords:CELL-DIVISION;PROTEINS;TUBULIN;FTSZ;HYDROGENOSOME;HOMOLOG Please enable JavaScript to view the comments powered by Disqus.