• [1]
    Morra, M.J. (1994) Assessing the impact of transgenic plant products on soil organisms. Mol. Ecol. 3, 5355.
  • [2]
    Trevors, J.T., Kuikman, P., Watson, B. (1994) Transgenic plants and biogeochemical cycles. Mol. Ecol. 3, 5764.
  • [3]
    Wilson, M., Savka, M.A., Hwang, I., Farrand, S.K., Lindow, S.E. (1995) Altered epiphytic colonization of mannityl opine-producing transgenic tobacco plants by a mannityl opine-catabolizing strain of Pseudomonas syringae. Appl. Environ. Microbiol. 61, 21512158.
  • [4]
    Oger, P., Petit, A., Dessaux, Y. (1997) Genetically engineered plants producing opines alter their environment. Nature Biotechnol. 15, 369372.
  • [5]
    Savka, M.A., Farrand, S.K. (1997) Modification of rhizobacterial populations by engineering bacterium utilization of a novel plant-produced resource. Nature Biotechnol. 15, 363368.
  • [6]
    Donegan, K.K., Palm, C.J., Fieland, V.J., Porteous, L.A., Ganio, L.M., Schaller, D.L., Bucao, L.Q., Seidler, R.J. (1995) Changes in levels, species and DNA-fingerprints of soil microorganisms associated with cotton expressing the Bacillus thuringiensis var. kurstaki endotoxin. Appl. Soil Ecol. 2, 111124.
  • [7]
    Donegan, K.K., Schaller, D.L., Stone, J.K., Ganio, L.M., Reed, G., Hamm, P.B., Seidler, R.J. (1996) Microbial populations, fungal species diversity and plant pathogen levels in field plots of potatos expressing the Bacillus thuringiensis var. tenebrionis endotoxin. Transgenic Res. 5, 2535.
  • [8]
    Heuer, H., Smalla, K. (1998) Bacterial phyllosphere communities of Solanum tuberosum and T4-lysozyme producing transgenic variants. FEMS Microbiol. Ecol. 28, 357371.
  • [9]
    Pérombelon, M.C.M., Kelman, A. (1980) Ecology of the soft rot Erwinias. Annu. Rev. Phytopathol. 18, 361387.
  • [10]
    De Vries, J., Harms, K., Broer, I., Kriete, G., Mahn, A., Düring, K. and Wackernagel, W. (1998) The bacteriolytic activity in transgenic potatoes expressing the T4 lysozyme gene and the effect of T4- and hen egg-white lysozyme on soil and phytopathogenic bacteria. Syst. Appl. Microbiol. (in press).
  • [11]
    Tsugita, A. (1971) Phage lysozyme and other lytic enzymes. In: The Enzymes, Vol. 4 (Boyer, P.D., Ed.), pp. 344–411. Academic Press, New York.
  • [12]
    Audy, P., Benhamou, N., Trudel, J., Asselin, A. (1988) Immunocytochemical localization of wheat germ lysozyme in wheat embryo and coleoptile cells and cytochemical study of its interaction with the cell wall. Plant Physiol. 88, 13171322.
  • [13]
    Düring, K., Porsch, P., Fladung, M., Lörz, H. (1993) Transgenic potato plants resistant to the phytopathogenic bacterium E. carotovora. Plant J. 3, 587598.
  • [14]
    Stahl, D.J., Maser, A., Dettendoerfer, J., Hornschulte, B., Thomzik, J.E., Hain, R. and Nehls, R. (1998) Increased fungal resistance of transgenic plants by heterologous expression of bacteriophage T4-lysozyme gene. 7th International Congress on Plant Pathology, Edinburgh, Abstract.
  • [15]
    Lynch, J.M. (1990) Introduction: Some consequences of microbial rhizosphere competence for plant and soil. In: The Rhizosphere (Lynch, J.M., Ed.), pp. 1–10. J. Wiley and Sons, Chichester.
  • [16]
    Weller, D.M. (1988) Biological control of soilborne plant pathogens in the rhizosphere with bacteria. Annu. Rev. Phytopathol. 26, 379407.
  • [17]
    Campbell, R. and Greaves, M.P. (1990) Anatomy and community structure in the rhizosphere. In: The Rhizosphere (Lynch, J.M., Ed.), pp. 11–34. J. Wiley and Sons, Chichester.
  • [18]
    Lottmann, J., Heuer, H., Smalla, K. and Berg, G. (1998) Beneficial bacteria in underground organs of potato (Solanum tuberosum L.). Verticillium Proceedings. APS Press (in press).
  • [19]
    Hack, H., Gall, H., Klemcke, T., Kloose, R., Meier, U., Strauss, R., Witzenberger, A. (1993) Phänologische Entwicklungsstadien der Kartoffel (Solanum tuberosum L.). Codierung und Beschreibung nach der erweiterten BBCH-Skala mit Abbildungen. Dtsch. Pflanzenschutzd. 45, 1119.
  • [20]
    Herron, P.R., Wellington, E.M.H. (1990) New method for extraction of Streptomycete spores from soil and application to the study of lysogeny in sterile amended and nonsterile soil. Appl. Environ. Microbiol. 56, 14061412.
  • [21]
    Berg, G., Ballin, G. (1994) Bacterial antagonists of Verticillium dahliae KLEB. J. Phytopathol. 141, 99110.
  • [22]
    Sawar, M., Kremer, R.J. (1995) Determination of bacterially derived auxins using a microplate method. Lett. Appl. Microbiol. 20, 282285.
  • [23]
    Düring, K. and Mahn, A., Personal communication.
  • [24]
    Miller, H.-J., Liljeroth, E., Willemsen-de Klein, M.J.E.I.M., Van Veen, J.A. (1990) The dynamics of actinomycetes and fluorescent pseudomonads in wheat rhizoplane and rhizosphere. Symbiosis 9, 389391.
  • [25]
    Larkin, R.P., Hopkins, D.L., Martin, F.N. (1993) Effect of succesive watermelon plantings on Fusarium oxysporum and other microorganisms in soil suppressive and conductive to Fusarium wilt of watermelon. Phytopathology 83, 10971105.
  • [26]
    Rovira, A.D. (1965) Interactions between plant roots and soil micro-organisms. Annu. Rev. Microbiol. 19, 241266.
  • [27]
    Kleeberger, A., Carstorp, H., Klingmüller, W. (1983) The rhizosphere microflora of wheat and barley with special reference to Gram-negative bacteria. Arch. Microbiol. 136, 306311.
  • [28]
    Lambert, B., Frederik, L., Van Rooyen, L., Gossele, F., Papon, Y., Swings, J. (1987) Rhizobacteria of maize and their antifungal activities. Appl. Environ. Microbiol. 53, 18661871.
  • [29]
    Berg, G. (1996) Rhizobacteria of oilseed rape antagonistic to Verticillium dahliae. J. Plant Dis. Protect. 103, 2030.
  • [30]
    Hemming, B.C. (1990) Bacteria as antagonists in biological control of plant pathogens. In: New Directions in Biological Control: Alternatives for Suppressing Agricultural Pests and Diseases (Baker, R.R. and Dunn, P.E., Eds.), pp. 223–242. Alan R. Liss, New York.
  • [31]
    Heuer, H. and Smalla, K. (1997) Application of denaturing gradient gel electrophoresis and temperature gradient gel electrophoresis for studying soil microbial communities. In: Modern Soil Microbiology (Van Elsas, J.D., Wellington, E.M.H. and Trevors, J.T., Eds.), pp. 353–372. Marcel Dekker, New York.
  • [32]
    Hebbar, K.P., Davey, A.G., Dart, P.J. (1992) Rhizobacteria of maize antagonistic to Fusarium moniliforme, a soil-borne fungal pathogen: isolation and identification. Soil Biol. Biochem. 24, 979987.
  • [33]
    Patten, C.L., Glick, B.R. (1996) Bacterial biosynthesis of indole-3-acetic acid. Can. J. Microbiol. 42, 207220.
  • [34]
    Barbieri, P., Galli, E. (1993) Effect on wheat root development of inoculation with an Azospirillum brasiliense mutant with altered indole-3-acetic acid production. Res. Microbiol. 144, 6975.
  • [35]
    Dubeikovsky, A.N., Mordukhova, E.A., Kochetkov, V.V., Polikarpova, F.Y., Boronin, A.M. (1993) Growth promotion of blackcurrant softwood cuttings by recombinant strain Pseudomonas fluorescens BSP53a sythesizing an increased amount of indole-3-acetic acid. Soil Biol. Biochem. 25, 12771281.
  • [36]
    Loper, J.E., Schroth, M.N. (1986) Influence of bacterial sources of indole-3-acetic acid on root elongation of sugar beet. Phytopathology 76, 386389.
  • [37]
    Hebbar, K.P., Davey, A.G., Dart, P.J. (1992) Rhizobacteria of maize antagonistic to Fusarium moniliforme, a soil-borne fungal pathogen: isolation and identification. Soil Biol. Biochem. 24, 979987.
  • [38]
    Kremer, R.J., Begonia, M.F.T., Stanlay, L., Lanham, E.T. (1990) Characterization of rhizobacteria associated with weed seedlings. Appl. Environ. Microbiol. 56, 16491655.
  • [39]
    De Leij, F.A.A.M., Sutton, E.J., Whipps, J.M., Fenlon, J.S., Lynch, J.M. (1995) Impact of field release of genetically modified Pseudomonas fluorescens on indigenous microbial populations of wheat. Appl. Environ. Microbiol. 61, 34433453.
  • [40]
    Whipps, J.M., De Leij, F.A.A.M., Lynch, J.M. and Bailey, M.J. (1998) Risk assessment associated with the release of a genetically modified Pseudomonas fluorescens in the field. In: Workshop Proceedings: Molecular Approaches in Biological Control, IOBC Bulletin Vol. 21, pp. 199–204.
  • [41]
    Kloepper, J.W. (1983) Effect of seed piece inoculation with plant growth promoting rhizobacteria on populations of Erwinia carotovora on potato roots and daughter tubers. Phytopathology 73, 217219.
  • [42]
    Leben, S.D., Wadi, J.A., Easton, G.D. (1987) Effects of Pseudomonas fluorescens on potato plant growth and control of Verticillium dahliae. Phytopathology 77, 15921595.
  • [43]
    Lambert, B., Joos, H. (1989) Fundamental aspects of rhizobacterial plant growth promotion research. Trends Biotechnol. 7, 215219.
  • [44]
    Berg, G., Marten, P., Ballin, G. (1996) Stenotrophomonas maltophilia in the rhizosphere of oilseed rape – occurrence, characterization and interaction with phytopathogenic fungi. Microbiol. Res. 151, 1927.
  • [45]
    Kalbe, C., Marten, P., Berg, G. (1996) Members of the genus Serratia as beneficial rhizobacteria of oilseed rape. Microbiol. Res. 151, 44334500.