• [1]
    Sessitsch, A., Reiter, B., Pfeifer, U., Wilhelm, E. (2002) Cultivation-independent population analysis of bacterial endophytes in three potato varieties based on eubacterial and Actinomycetes-specific PCR of 16S rRNA genes. FEMS Microbiol. Ecol. 39, 332.
  • [2]
    Gage, D.J., Bobo, T., Long, S.R. (1996) Use of green fluorescent protein to visualise the early events of symbiosis between Rhizobium meliloti and Alfalfa (Medicago sativa). J. Bacteriol. 178, 71597166.
  • [3]
    Gopalaswamy, G., Kannaiyan, S., O'Callaghan, K., Davey, M., Cocking, E. (2000) The xylem of rice (Oryza sativa) is colonised by Azorhizobium caulinodans. Proc. R. Soc. Lond. B. 267, 103107.
  • [4]
    Hinton, D.M., Bacon, C.W. (1995) Enterobacter cloacae is an endophytic symbiont of corn. Mycopatholia 129, 117125.
  • [5]
    Elbeltagy, A., Nishioka, K., Sato, T., Suzuki, H., Ye, B., Hamada, T., Isawa, T., Mitsui, H., Minamisaw, K. (2001) Endophytic colonisation and in planta nitrogen fixation by a Herbaspirillum sp. isolated from a wild rice species. Appl. Environ. Microbiol. 67, 52855293.
  • [6]
    J.A. McInroy, J.W. Kloepper (1994) Studies on the Indigenous Endophytic Bacteria of Sweet Corn and Cotton. (F. O'Gara, D.N. Dowling, B. Boesten, Eds.) Molecular Ecology of Rhizosphere Micro-organisms. VCH Press, 19–28.
  • [7]
    Misko, A.M., Germida, J.J. (2002) Taxonomic and functional diversity of Pseudomonads isolated from the roots of field-grown canola. FEMS Microbiol. Ecol. 42, 399407.
  • [8]
    Salgado, T., Ramirez, L., Hernandez, A., Esparza, M., Romero, E., Mellado, J.C. (1997) Coffea arabica L., a new host plant for Acetobacter diazotrophicus, and isolation of other nitrogen fixing Acetobacteria. Appl. Environ. Microbiol. 63, 36763683.
  • [9]
    Tapia-Hernandez, A., Bustillos-Cristales, M.R., Jimenez-Salgado, T., Mellado, J.C., Ramirez, L.E.F. (2000) Natural endophytic occurrence of Acetobacter diazotrophicus in pineapple plants. Microbiol. Ecol. 39, 4955.
  • [10]
    Lodewyckx, C., Vangronsveld, J., Porteous, F., Moore, E.R.B., Taghavi, S., van der Lelie, D. (2002) Endophytic bacteria and their potential applications. Crit. Rev. Plant Sci. 6, 583606.
  • [11]
    Sturz, A.V., Christie, B.R., Matheson, B.G., Nowak, J. (1997) Biodiversity of endophytic bacteria which colonise red clover nodules, roots, stems and foliage and their influence on host growth. Biol. Fertil. Soils 25, 1319.
  • [12]
    Sturz, A.V., Nowak, J. (2000) Endophytic communities of rhizobacteria and the strategies required to create yield enhancing associations with crops. Appl. Soil Ecol. 15, 83190.
  • [13]
    Shishido, M., Breuil, C., Chanway, C. (1999) Endophytic colonisation of spruce by plant growth promoting rhizobacteria. FEMS Microbiol. Ecol. 29, 191196.
  • [14]
    Azedvedo, J., W. Maccheroni, Jr.Pereira, J., Araujo, W. (2000) Endophytic microorganisms: a review on insect control and recent advances in tropical crops. Environ. Biotech. 3, 134142.
  • [15]
    Bacilio-Jimenez, M., Flores, S., DelValle, M.V., Perez, A., Zepeda, A., Zenteno, E. (2001) Endophytic bacteria in rice seeds inhibit early colonisation of roots by Azospirillium brasilense. Soil. Biol. Biochem. 33, 167172.
  • [16]
    Chanway, C.P., Radley, R.A., and Holl, F.B. (1989) Bacterial Inoculation of Lodgewood Pine, White Spruce and Douglas-fir Grown in Containers, Intermountain Forest Nursery Association Annual Meeting, Bismarck, North Dakota
  • [17]
    James, E.K. (2000) Nitrogen fixation in endophytic and associative symbiosis. Field Crops Res. 65, 197209.
  • [18]
    Reiter, B., Pfeifer, U., Schwab, H., Sessitsch, A. (2002) Response of endophytic bacterial communities in potato plants to infection with Erwinia carotovora subsp. atroseptica. Appl. Environ. Microbiol. 68, 22612268.
  • [19]
    Siciliano, S.D., Fortin, N., Mihoc, A., Wisse, G., Labelle, S., Beaumier, D., Ouellette, D., Roy, R., Whyte, L.G., Banks, M.K., Schwab, P., Lee, K., Greer, C.W. (2001) Selection of specific endophytic bacterial genotypes by plants in response to soil contamination. Appl. Environ. Microbiol. 67, 24692475.
  • [20]
    Lodewyckx, C., Taghavi, S., Mergeay, M., Vangronsveld, J., Clijsters, H., van der Lelie, D. (2001) The effect of recombinant heavy metal resistant endophytic bacteria in heavy metal uptake by their host plant. Int. J. Phytoremed. 3, 173187.
  • [21]
    Nairn, J.D., Chanway, C. (2002) Temporary loss of antibiotic resistance by marked bacteria in the rhizosphere of spruce seedlings. FEMS Microbiol. Ecol. 40, 167170.
  • [22]
    Errampalli, D., Leung, K., Cassidy, M.B., Kostrzynska, M., Blears, M., Lee, H., Trevors, J.T. (1999) Applications of the green fluorescent protein as a molecular marker in environmental microorganisms. J. Microbiol. Methods 35, 187199.
  • [23]
    Li, L., Li, Y., Meng Lim, T., Pan, S.Q. (1999) Gfp-aided confocal laser scanning microscopy can monitor Agrobacterium tumefaciens cell morphology and gene expression associated with infection. FEMS Microbiol. Lett. 179, 141146.
  • [24]
    Stuurman, N., Bras, C., Schlaman, H., Wijfjes, A., Bloemberg, G., Spaink, H. (2000) Use of green fluorescent protein colour variants expressed on stable broad host range vectors to visualise Rhizobia interacting with plants. Mol. Plant–Microbe Interact. 13, 11631169.
  • [25]
    Ramos, C., Molbak, L., Molin, S. (2000) Bacterial activity in the rhizosphere analysed at the single cell level by monitoring ribosome contents and synthesis rates. Appl. Environ. Microbiol. 66, 801809.
  • [26]
    Herrero, M., de Lorenzo, V., Timmis, K.N. (1990) Transposon vectors containing non-antibiotic resistance markers for cloning and stable chromosomal insertion of foreign genes in gram negative bacteria. J. Bacteriol. 172, 65576567.
  • [27]
    Xi, C., Lambrechts, M., Vanderleyden, J., Michiels, J. (1999) Bi-functional gfp- and gusA-containing mini-Tn5 transposon derivatives for combined gene expression and bacterial localisation studies. J. Microbiol. Methods 35, 8592.
  • [28]
    Schlegel, H.G., Kaltwasser, H., Gottschalk, G. (1961) Ein Sumbersverfahren zur Kultur wasserstoffoxidierender Bakterien: Wachstum physiologische Untersuchungen. Arch. Mikrobiol. 38, 205222.
  • [29]
    J.H. Miller, (1972) Experiments in Molecular Genetics. Cold Spring Harbor, Laboratory Cold Spring Harbor, NY. pp. 354–358
  • [30]
    Schatz, A., Bovel, C. (1956) Growth and hydrogenase activity of a new bacterium, Hydrogenomonas facilis. J. Bacteriol. 63, 8798.
  • [31]
    Mergeay, M., Nies, D., Schegel, H.G., Gerits, J., Charles, P., van Gijsegem, F. (1985) Alcaligenes eutrophus CH34 is a facultative chemolithotroph with plasmid bound resistance to heavy metals. J. Bacteriol. 162, 328334.
  • [32]
    D.J. Lane (1991) 16S/23S Sequencing. (E. Stackebrand, M. Goodfellow, Eds.), Nucleic Acid Techniques in Bacterial Systematics. Wiley, Chichester, UK. 115–175.
  • [33]
    Hauben, L., Vauterin, L., Swings, J., Moore, E.R.B. (1997) Comparison of 16S ribosomal DNA sequences of all Xanthomonas species. Int. J. Syst. Bacteriol. 47, 328335.
  • [34]
    Stoesser, G., Baker, W., van Den Broek, A., Garcia-Pastor, M., Kanz, C., Kulikova, T., Leinonen, R., Lin, Q., Lombard, V., Lopez, R., Mancuso, R., Nardone, F., Stoehr, P., Tuli, M.A., Tzouvara, K., Vaughan, R. (2003) The EMBL nucleotide sequence database: major new developments. Nucl. Acids Res. 31, 1722.
  • [35]
    Pearson, W.R. (1994) Using the FASTA program to search protein and DNA sequence databases. Meth. Mol. Biol. 24, 307331.
  • [36]
    Verma, S.C., Ladha, J.K., Tripathi, A.K. (2001) Evaluation of plant growth promoting and colonisation ability of endophytic diazotrophs from deep water rice. J. Biotechnol. 19, 127141.
  • [37]
    Russo, A., Moenne-Loccoz, Y., Fedi, S., Higgins, P., Fenton, A., Dowling, D.N., O'Regan, M., O'Gara, F. (1996) Improved delivery of biocontrol Pseudomonas and their antifungal metabolites using alginate polymers. Appl. Microbiol. Biotechnol. 44, 740745.
  • [38]
    International Organisation for Standardisation, ISO (1997) Water Quality – Fresh Water Algal Growth Test with Scenedesmus subspicatus and Raphidocelis subcapitata. ISO8692
  • [39]
    Zamora, M.L.G., Romero, E.M. (2001) Natural endophytic association between Rhizobium etli and maize (Zea mays L.). J. Biotechnol. 91, 117126.
  • [40]
    A. Fahn (1982) Primary Plant Tissues. Plant Anatomy. (3rd Edn.) Pergamon Press, Madrid. 129–138.
  • [41]
    Reinhold-Hurek, B., Hurek, T. (1998) Life in grasses: diazotrophic endophytes. Trends Microbiol. 6, 139144.
  • [42]
    Zinniel, D., Lambrecht, P., Harris, N., Feng, Z., Kuczmarski, D., Higley, P., Ishimaru, C., Arunakumari, A., Barletta, R., Vidaver, A. (2002) Isolation and characterisation of endophytic colonising bacteria from agronomic crops and prairie plants. Appl. Environ. Microbiol. 68, 2129822208.
  • [43]
    Endegrade: Endophytic degrader bacteria for improving phytoremediation of organic xenobiotics. Available from:
  • [44]
    van der Lelie, D., D’Haene, S., Dowling, D.N., Karlson, U., Moore, E.R.B., Taghavi, S., Trapp, S. and Vangronsveld, J. (May 2001) Methods of improving phytoremediation treatment of contaminated medium, Application No. 60/291, 344, US Patent Office