Energy metabolism of ancestral eukaryotes: a hypothesis based on the biochemistry of amitochondriate parasitic protists

Baroin, 1988, Partial phylogeny of the unicellular eukaryotes based on rapid sequencing of a portion of 28S ribosomal RNA, 85, 3474 Brugerolle, 1975, Contribution a l'étude cytologique et phyletique des diplozoaires (Zoomastigophora, Diplozoa, Dangeard 1910). VI. Characteres generaux des diplozoaires, Protistologica, 11, 111 Cammack, 1983, Evolution and diversity in the iron-sulphur proteins, Chem. Scripta., 21, 87 Cavalier-Smith, 1991, Archamoebae: the ancestral eukaryotes?, BioSystems, 25, 25, 10.1016/0303-2647(91)90010-I Docampo, 1987, Free radical intermediates in the reaction of pyruvate:ferredoxin oxidoreductase in Tritrichomonas foetus hydrogenosomes, J. Biol. Chem., 262, 12417, 10.1016/S0021-9258(18)45219-2 Eck, 1966, Evolution of the structure of ferredoxin based on living relics of primitive amino acid sequences, Science, 152, 363, 10.1126/science.152.3720.363 Fenchel, 1991, The biology of free-living anaerobic ciliates, Eur. J. Protistol., 26, 201, 10.1016/S0932-4739(11)80143-4 Fothergill-Gilmore, 1992, Evolution of glycolysis, Progr. Biophys. Mol. Biol. Gorrell, 1984, Isolation and characterization of Trichomonas vaginalis ferredoxin, Carlsberg Res. Commun., 49, 259, 10.1007/BF02913954 Huber, 1989, Nucleotide sequence analysis of an Entamoeba histolytica ferredoxin gene, Mol. Biochem. Parasitol., 31, 27, 10.1016/0166-6851(88)90142-9 Jarroll, 1989, Biochemistry and metabolism of Giardia lamblia, J. Protozool., 36, 190, 10.1111/j.1550-7408.1989.tb01073.x Jenkins, 1991, Hydrogenosomal succinate thiokinase in Tritrichomonas foetus and Trichomonas vaginalis, Biochem. Biophys. Res. Commun., 179, 892, 10.1016/0006-291X(91)91902-O Johnson, 1990, Molecular analysis of the hydrogenosomal ferredoxin of the anaerobic protist, Trichomonas vaginalis, 87, 6097 Ladror, 1991, Cloning, sequencing and expression of pyrophosphate-dependent phosphofructokinase from Propionibacterium freudenreichii, J. Biol. Chem., 266, 16550, 10.1016/S0021-9258(18)55336-9 Lindmark, 1975, Hydrogenosomes in Trichomonas vaginalis, J. Parasitol., 61, 552, 10.2307/3279345 Lindmark, 1980, Energy metabolism of the anaerobic protozoon Giardia lamblia, Mol. Biochem. Parasitol., 1, 1, 10.1016/0166-6851(80)90037-7 McLaughlin, 1978, Inorganic pyrophosphatase and nucleoside diphosphatase in the parasitic protozoon, Entamoeba histolytica, Biochem. Biophys. Res. Commun., 82, 913, 10.1016/0006-291X(78)90870-7 Mertens, 1989, Presence of a fructose-2,6-bisphosphate-insensitive pyrophosphate:fructose-6-phosphate phosphotransferase in the anaerobic protozoa Tritrichomonas foetus, Trichomonas vaginalis and Isotricha prostoma, Mol. Biochem. Parasitol., 37, 183, 10.1016/0166-6851(89)90150-3 Mertens, 1990, Occurrence of pyrophosphate:fructose-6-phosphate 1-phosphotransferase in Giardia lamblia trophozoites, Mol. Biochem. Parasitol., 40, 147, 10.1016/0166-6851(90)90088-4 Mertens, 1991, Pyrophosphate-dependent phosphofructokinase, an anaerobic glycolytic enzyme?, Fed. Eur. Biochem. Soc. Lett., 285, 1, 10.1016/0014-5793(91)80711-B Mertens, 1992, Pyruvate kinase from Trichomonas vaginalis, an allosteric enzyme stimulated by ribose 5-phosphate and glycerate 3-phosphate, Mol. Biochem. Parasitol., 54, 13, 10.1016/0166-6851(92)90090-7 Meyer, 1988, The evolution of ferredoxins, Trends Ecol. Evol., 3, 222, 10.1016/0169-5347(88)90162-0 Müller, 1988, Energy metabolism of protozoa without mitochondria, Annu. Rev. Microbiol., 42, 465, 10.1146/annurev.mi.42.100188.002341 Müller, 1989, Biochemistry of Trichomonas vaginalis, 53 Pocalyco, 1990, Analysis of sequence homologies in plant and bacterial pyruvate phosphate dikinase, enzyme I of the bacterial phosphoenolpyruvate: sugar phosphotransferase system and other PEP-utilizing enzymes. Identification of potential catalytic and regulatory motifs, Biochemistry, 29, 10757, 10.1021/bi00500a006 Reeves, 1976, How useful is the energy in inorganic pyrophosphate, Trends Biochem. Sci., 1, 53, 10.1016/S0968-0004(76)80189-2 Reeves, 1977, An energy-conserving pyruvate-to-acetate pathway in Entamoeba histolytica. Pyruvate synthase and a new acetate thiokinase, J. Biol. Chem., 252, 726, 10.1016/S0021-9258(17)32778-3 Reeves, 1980, Entamoeba histolytica: isolation of ferredoxin, Exp. Parasitol., 49, 83, 10.1016/0014-4894(80)90059-4 Reeves, 1984, Metabolism of Entamoeba histolytica Schaudin, 1903, Adv. Parasitol., 23, 105, 10.1016/S0065-308X(08)60286-9 Searle, 1991, Inorganic pyrophosphatase of Trichomonas vaginalis, Mol. Biochem. Parasitol., 44, 91, 10.1016/0166-6851(91)90224-T Sogin, 1991, Early evolution and the origin of eukaryotes, Curr. Opinion Genet. Dev., 1, 457, 10.1016/S0959-437X(05)80192-3 Wahl, 1987, Clostridial pyruvate oxidoreductase and the pyruvate-oxidizing enzyme specific for nitrogen fixation in Klebsiella pneumoniae are similar enzymes, J. Biol. Chem., 262, 10489, 10.1016/S0021-9258(18)60987-1 Williams, 1987, Purification and characterization of pyruvate:ferredoxin oxidoreductase from the anaerobic protozoon Trichomonas vaginalis, Biochem. J., 246, 529, 10.1042/bj2460529 Yarlett, 1981, Hydrogenosomes in the rumen protozoon Dasytricha ruminantium Schuberg, Biochem. J., 200, 365, 10.1042/bj2000365 Yarlett, 1986, Hydrogenosomes in the rumen fungus Neocallimastix patriciarum, Biochem. J., 236, 729, 10.1042/bj2360729