• 1
    Klotz, M.G., Alzerreca, J. and Norton, J.M. (1997) A gene encoding a membrane protein exists upstream of the amoA/amoB genes in ammonia-oxidizing bacteria; a third member of the amo operon? FEMS Microbiol. Lett. 150, 6573.
  • 2
    Klotz, M.G. and Norton, J.M. (1995) Sequence of an ammonia monooxygenase subunit A-encoding gene from Nitrosospira sp. NpAV. Gene 163, 159160.
  • 3
    Norton, J.M., Low, J.M. and Klotz, M.G. (1996) The gene encoding ammonia monooxygenase subunit A exists in three nearly identical copies in Nitrosospira sp. NpAV. FEMS Microbiol. Lett. 139, 181188.
  • 4
    Sayavedra-Soto, L.A., Hommes, N.G., Alzerreca, J.J., Arp, D.J., Norton, J.M. and Klotz, M.G. (1998) Transcription of the amoC, amoA and amoB genes in Nitrosomonas europaea and Nitrosospira sp. NpAV. FEMS Microbiol. Lett., in press.
  • 5
    Prosser, J.I. (1989) Autotrophic nitrification in bacteria. Adv. Microb. Physiol. 30, 125181.
  • 6
    Norton, J.M., Alzerreca, J.J. and Klotz, M.G. (1998) Diversity of the genes encoding ammonia monooxygenase in autotrophic ammonia-oxidizing bacteria. Abstracts of the 98th General Meeting, p. 392. Am. Soc. Microbiol., Washington, DC.
  • 7
    Semrau, J.D., Chistoserdova, A., Lebron, J., Costello, A., Davagnino, J., Kenna, E., Holmes, A.J., Finch, R., Murrell, J.C. and Lidstrom, M.E. (1995) Particulate methane monooxygenase genes in methanotrophs. J. Bacteriol. 177, 30713079.
  • 8
    Holmes, A.J., Costello, A., Lidstrom, M.E. and Murrell, J.C. (1995) Evidence that particulate methane monooxygenase and ammonia monooxygenase may be evolutionarily related. FEMS Microbiol. Lett. 132, 203208.
  • 9
    Nielsen, A., Gerdes, K. and Murrell, J.C. (1997) Copper-dependent reciprocal transcriptional regulation of methane monooxygenase genes in Methylococcus capsulatus and Methylosimus trichosporium. Mol. Microbiol. 25, 399409.
  • 10
    Nguyen, H.-H.T., Elliott, S.J., Yip, J.H.-K. and Chan, S.I. (1998) The particulate methane monooxygenase from Methylococcus capsulatus (Bath) is a novel copper-containing three-subunit enzyme. J. Biol. Chem. 273, 79577966.
  • 11
    McTavish, H., Fuchs, J.A. and Hooper, A.B. (1993) Sequence of the gene coding for ammonia monooxygenase in Nitrosomonas europaea. J. Bacteriol. 175, 24362444.
  • 12
    Kimura, M. (1983) The Neutral Theory of Molecular Evolution. Cambridge Univ. Press, Cambridge.
  • 13
    Muto, A. and Osawa, S. (1985) The guanine and cytosine content of genomic DNA and bacterial evolution. Proc. Natl. Acad. Sci. USA 84, 166169.
  • 14
    Osawa, S., Jukes, T.H., Watanabe, K. and Muto, A. (1992) Recent evidence for evolution of the genetic code. Microbiol. Rev. 56, 229264.
  • 15
    Klotz, M.G., Klassen, G.R. and Loewen, P.C. (1997) Phylogenetic relationships among prokaryotic and eukaryotic catalases. Mol. Biol. Evol. 14, 951958.
  • 16
    Hyman, M.R. and Arp, D.J. (1992) 14C2H2 and 14CO2-labeling studies of the de novo synthesis of polypeptides by Nitrosomonas europaea during recovery from acetylene and light inactivation of ammonia monooxygenase. J. Biol. Chem. 267, 15341545.
  • 17
    Koops, H.P. and Harms, H. (1995) Deoxyribonucleic acid homologies among 96 strains of ammonia-oxidizing bacteria. Arch. Microbiol. 141, 214218.
  • 18
    Teske, A., Alm, E., Regan, J.M., Toze, S., Rittmann, B.E. and Stahl, D.A. (1994) Evolutionary relationships among ammonia- and nitrite-oxidizing bacteria. J. Bacteriol. 176, 66236630.
  • 19
    Schleifer, K.H. (1998) Phylogeny of prokaryotes beyond 16S rRNA sequencing. In: Abstracts of the 98th General Meeting, p. 30. Am. Soc. Microbiol., Washington, DC.
  • 20
    Suwa, Y., Sumino, T. and Noto, K. (1997) Phylogenetic relationships of activated sludge isolates of ammonia oxidizers with different sensitivities to ammonium sulfate. J. Gen. Appl. Microbiol. 43, 373379.
  • 21
    Shively, J.M., Lorbach, S.C., Jin, S. and Baker S. (1996) Carboxysomes: the genes of Thiobacillus neapolitanus. In: Microbial Growth on C1 Compounds (Lidstrom, M.E. and Tabita, F.R., Eds.), pp. 56–63. Kluwer, Dordrecht.
  • 22
    Rotthauwe, J.-H., Witzel, K.-P. and Liesack, W. (1997) The ammonia monooxygenase structural gene amoA as a functional marker: molecular fine-scale analysis of natural ammonia-oxidizing populations. Appl. Environ. Microbiol. 63, 47044712.
  • 23
    Kusano, T., Takeshima, T., Inoue, C. and Sugawara, K. (1991) Evidence of two sets of structural genes coding for ribulose bisphosphate carboxylase in Thiobacillus ferrooxidans. J. Bacteriol. 173, 73137323.
  • 24
    Lo, S.L., Burke, S.A., Lee, M.P. and Krycki, J.A. (1998) Nearly identical copies of the monomethylamine methyltransferase genes exist in the genome of Methanosarcina barkeri MS. In: Abstracts of the 98th General Meeting, p. 319. Am. Soc. Microbiol., Washington, DC.