• [1]
    Ryther, J.H, Dunstan, W.M (1971) Nitrogen, phosphorous and eutrophication in the coastal marine environment. Science 171, 10081012.
  • [2]
    Goldman, J.C, McCarthy, J.J, Peavy, D.G (1979) Growth rate influence the chemical composition of phytoplankton in oceanic waters. Nature 279, 210215.
  • [3]
    Falkowski, P.G (1997) Evolution of the nitrogen cycle and its influence on the biological sequestration of CO2 in the ocean. Nature 387, 272275.
  • [4]
    Martin, J.H. (1992) Iron as a limiting factor. In: Primary Productivity and Biogeochemical Cycles in the Sea (Falkowski, P.G. and Woodhead, A., Eds.), pp. 123–137. Plenum Press, New York.
  • [5]
    Capone, D.G (2001) Marine nitrogen fixation: what's the fuss Ecol. Indust. Microbiol. 4, 341348.
  • [6]
    Dugdale, R.C, Goering, J.J, Ryther, J.H (1961) Nitrogen fixation in the Sargasso Sea. Deep-Sea Res. 7, 298300.
  • [7]
    Gruber, N, Sarmiento, J.L (1997) Global patterns of marine N fixation and denitrification. Glob. Biogeochem. Cycles 11, 235266.
  • [8]
    Capone, D.G, Subramaniam, A, Montoya, J.P, Voss, M, Humborg, C, Johansen, A.M, Siefert, R.L, Carpenter, E.J (1998) An extensive bloom of the N2-fixing cyanobacterium Trichodesmium erythreum in the central Arabian Sea. Mar. Ecol. Prog. Ser. 172, 281291.
  • [9]
    Carpenter, E.J, Montoya, J.P, Burns, J, Mulholland, M.R, Subramaniam, A, Capone, D.G (1999) Extensive bloom of a N2-fixing diatom/cyanobacterial association in the tropical Atlantic Ocean. Mar. Ecol. Prog. Ser. 185, 273283.
  • [10]
    Karl, D.M, Hebel, D.V, Bjorkman, K, Letelier, R.M (1998) The role of dissolved organic matter release in the productivity of the oligotrophic North Pacific Ocean. Limnol. Oceanogr. 43, 12701286.
  • [11]
    Bell, P.R.F, Elmetri, I, Uwins, P (1999) Nitrogen fixation by Trichodesmium spp. in the Central and Northern Great Barrier Reef Lagoon relative importance of the fixed-nitrogen load. Mar. Ecol. Prog. Ser. 186, 119126.
  • [12]
    Lugomela, C, Lyimo, T.J, Bryceson, I, Semesi, A.K, Bergman, B (2002) Trichodesmium in coastal waters of Tanzania: diversity, seasonality, nitrogen and carbon fixation. Hygrobiologia 477, 113.
  • [13]
    Capone, D.G, Carpenter, E.J (1982) Nitrogen fixation in the marine environment. Science 217, 11401142.
  • [14]
    Rueter, J.G, Ohki, K, Yoshihiko, F (1990) The effect of iron nutrition on photosynthesis and nitrogen fixation in cultures of Trichodesmium (Cyanophyceae). J. Phycol. 26, 3035.
  • [15]
    Gallon, J.R (2001) N2 fixation in phototrophs: adaption to a specialized way of life. Plant Soil 230, 3948.
  • [16]
    Falkowski, P.G, Barber, R.T, Smetacek, V (1998) Biogeochemical controls and feedbacks on ocean primary production. Science 281, 200206.
  • [17]
    Hood, R.R, Michaels, A.F, Capone, D.G (2000) Answers sought to the enigma of marine nitrogen fixation. EOS 81, 133139.
  • [18]
    Fu, F-X, Bell, P.R.F (2003) Growth, N2 fixation and photosynthesis in a cyanobacterium Trichodesmium under Fe stress. Biotechnol. Lett. 25, 645649.
  • [19]
    Fu, F-X. and Bell, P.R.F. (2003) Effect of salinity on growth, pigmentation, N2 fixation and alkaline phosphatase activity of cultured Trichodesmium sp. Mar. Ecol. Prog. Ser., in press.
  • [20]
    Creagh, S (1985) Review of the literature concerning blue-green algae of the genus Trichodesmium (Order Nostocales: Family Oscillatoriaceae). West. Aust. Bull. 197, 133.
  • [21]
    Morel, F.M.M, Rueter, J.G, Anderson, D.M, Guillard, R.R.L (1979) AQUIL: A chemically defined phytoplankton culture medium for trace metal studies. J. Phycol. 15, 135141.
  • [22]
    Capone, D.G., 1993. Determination of nitrogenase activity in aquatic samples using the acetylene reduction procedure. In: Handbook of Methods in Aquatic Microbial Ecology (Kemp, P.F. et al., Eds.), pp. 621–631. Lewis Publishers, Boca Raton, FL.
  • [23]
    Murphy, J, Riley, J.P (1962) A modified single solution method for the determination of phosphate in natural waters. Anal. Chem. Acta 27, 3136.
  • [24]
    Zar, J.H. (1984) Multiple comparisons. In: Biostatistical Analyasis (Zar, J.H., Ed.), pp. 185–205. Prentice Hall, Englewood Cliffs, NJ.
  • [25]
    Ohki, A, Zehr, J.P, Fujita, Y (1992) Regulation of nitrogenase activity in relation to the light-dark regime in the filamentous non-heterocystsous cyanobacterium Trichodesmium sp. NIBB 1067. J. Gen. Microbiol. 138, 26792685.
  • [26]
    Saino, T, Hattori, A (1978) Diel variation in nitrogen fixation by a marine blue-green alga, Ttichodesmium thiebautii. Deep-Sea Res. 25, 12591263.
  • [27]
    Capone, D.G, O’neil, J.M, Zehr, J.P, Carpenter, E.J (1990) Basis for diel variation in nitrogeanse activity in the marine planktonic cyanobacterium Trichodesmium thiebautii. Appl. Environ. Microb. 56, 35323536.
  • [28]
    Berman-Frank, I, Lundgren, P, Falkowski, P (2003) Nitrogen fixation and photosynthetic oxygen evolution in cyanobacteria. Res. Microbiol. 154, 157164.
  • [29]
    Siddiqui, P.J.A, Carpenter, E.J, Bergman, B (1992) Ultrastructure and immunolocalization of phycobiliproteins and ribulose 1,5-bisphosphate carboxylse/oxygenase in the marine cyanobacterium Trichodesmium thiebautii. J. Phycol. 28, 320327.
  • [30]
    Bergman, B, Siddiqui, P.J.A, Carpenter, E.J, Peschek, G.A (1993) Cytochrome oxidase: subecellular distribution and relationship to nitrogenase expression in the nonheterocystous marine cyanobacterium Trichodesmium thiebautii. Appl. Environ. Microbiol. 59, 32393244.
  • [31]
    Kana, T.M. (1992) Oxygen cycling in cyanobacteria with specific reference to oxygen protection in Trichodesmium spp. In: Marine Pelagic Cyanobacteria: Trichodesmium and Other Diazotrophs (Carpenter, E.J., Capone, D.G. and Rueter J.G., Eds.), pp. 29–41. Kluwer, Dordrecht.
  • [32]
    Berman-Frank, I, Lundgren, P, Chen, Y-B, Küpper, H, Kolber, Z, Bergman, B, Falkowski, P (2001) Segregation of nitrogen fixation and oxygenic photosynthesis in the marine cyanobacterium Trichodesmium. Science 294, 15341537.
  • [33]
    Evans, A.M, Gallon, J.R, Jones, A, Staal, M, Stal, L.J, Villbrand, M, Walton, T.J (2000) Nitrogen fixation by Baltic cyanobacteria is adapted to the prevailing photon flux density. New Phycol. 147, 285297.
  • [34]
    Paerl H.W. and Zehr, J.P. (2000) Marine nitrogen fixation. In: Microbial Ecology of the Oceans (Kirchman, D.L., Ed.), pp. 387–426. Wiley-Liss, New York.
  • [35]
    Zehr, J.P, Braun, S, Chen, Y-B, Mellon, M (1996) Nitrogen fixation in the marine environment: relating genetic potential to nitrogenase activity. J. Exp. Mar. Biol. Ecol. 203, 6173.
  • [36]
    Kumar, D (1989) Effect of light quality on the acetylene reduction activity of the isolated heterocysts of Anabaena sp. strain CA. J. Gen. Appl. Microbiol. 35, 369375.
  • [37]
    Fay, P (1970) Photostimulation of nitrogen fixation in Anabaena cylindrica. Biochim. Biophys. Acta 216, 353356.
  • [38]
    Hauschild, C.A, Mcmurter, F.R, Pick, F.R (1991) Effect of spectral quality on growth and pigmentation of picocyanobacteria. J. Phycol. 27, 698702.
  • [39]
    Banerjee, M, Kumar, H.D (1987) Effect of light quality, anaerobiosis and glucose on nitrogen-fixation by the rice field cyanobacterium Aulosira fertilissima Ghose. Acta Microbiol. Hung. 34, 5763.
  • [40]
    Kamyia, A. and Kowallik, W. (1986) Blue-Light Induced Starch Breakdown in Chlorella Cells: Regulation of Chloroplast Differentiation, pp. 671–676. Alan R. Liss, New York.
  • [41]
    Gallon J.R. and Stal. L.J. (1992) N2-fixation of non-heterocystous cyanobacteria: an overiew. In: Marine Pelagic Cyanobacteria: Trichodesmium and Other Diazotrophs (Carpenter, E.J., Capone, D.G. and Rueter J.G., Eds.), pp. 115–139. Kluwer, Dordrecht.
  • [42]
    Stewart, W.D.P, Alexander, G (1971) Phosphorous availability and nitrogenase activity in aquatic blue-green algae. Freshwater Biol. 1, 389404.
  • [43]
    Stihl, A, Sommer, U, Post, A.F (2001) Alkaline phosphatase activities among populations of the colony-forming diazotrophic cyanobacterium Trichodesmium spp. (cyanobacteria) in the Red Sea. J. Phycol. 37, 310317.
  • [44]
    Mulholland, M.R, Floge, S, Carpenter, E.J, Capone, D.G (2002) Phosphorus dynamics in cultures and natural populations of Trichodesmium spp. Mar. Ecol. Prog. Ser. 239, 4555.
  • [45]
    Sañudo-Wilhelmy, S.A, Kustka, A.B, Gobler, C.J, Hutchins, D.A, Yang, M, Lwiza, K, Burns, J, Capone, D.G, Raven, J.A, Carpenter, E.J (2001) Phosphorous limitation of nitrogen fixation by Trichodesmium in the central Atlantic Ocean. Nature 411, 6669.
  • [46]
    Wu, J, Sunda, W, Boyle, E.A, Karl, D.M (2000) Phosphate depletion in the western North Atlantic Ocean. Science 289, 759762.
  • [47]
    Karl, D., Letelier, R., Hebel, D.V., Bird, B.F. and Winn, C.D. (1992) Trichodesmium blooms and new nitrogen in the north Pacific gyre. In: Marine Pelagic Cyanobacteria: Trichodesmium and Other Diazotrophs (Carpenter, E.J., Capone, D.G. and Rueter, J.G. Eds.), pp. 219–237. Kluwer, Dordrecht.
  • [48]
    Mulholland, M.R, Ohki, K, Capone, D.G (1999) Nitrogen utilization and metabolism relative to patterns of N2 fixation in cultures of Trichodesmium NIBB1067. J. Phycol. 35, 977988.
  • [49]
    Mulholland, M.R, Ohki, K, Capone, D.G (2001) Nutrient controls on nitrogen uptake and metabolism by natural populations and cultures of Trichodesmium (Cyanobacteria). J. Phycol. 37, 10011009.
  • [50]
    Ohki, A, Zehr, J.P, Falkowski, P.G, Fujita, Y (1991) Regulation of nitrogen-fixation by different nitrogen sources in the marine non-heterocystous cyanobacterium Trichodesmium sp. NIBB1067. Arch. Microbiol. 156, 335337.
  • [51]
    Devassy, V.P. (1987) Trichodesmium red tides in the Arabian Sea. In: Contributions in Marine Sciences (Rao, T.S.S. et al., Eds.), pp. 61–66. Natl. Inst. Oceanogr. India.