Anton Hartmann

List of publications
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Selected Publications

PUBLICATIONS IN SCIENTIFIC JOURNALS

    2009

  1. Nabti E., Sahnoune M., Ghoul M., Fischer D., Hofmann A., Rothballer M., Schmid M., and Hartmann A. (2009). Restoration of growth of durum wheat (Triticum durum var. waha) under saline conditions due to inoculation with the rhizosphere bacterium Azospirillum brasilense NH and extracts of the marine alga Ulva lactuca. Journal of Plant Growth Regulation doi: 10.1007/s00344-009-9107-6

  2. Schmid, M., Iversen, C., Gontia, I., Stephan, R., Hofmann, A., Hartmann, A., Jha, B., Eberl, L., Riedel, K. and Lehner, A. (2009) Evidence for a plant-associated natural habitat for Cronobacter spp. Research in Microbiology 160: 608 - 614

  3. Paul Chowdhury S., Schmid M., Hartmann A., and Tripathi A. K. (2009). Diversity of 16S-rRNA and nifH genes derived from rhizosphere soil and roots of an endemic drought tolerant grass, Lasiurus sindicus. European Journal of Soil Biology 45: 114-122

  4. Jha B., Thakur M. C., Gontia I., Albrecht V., Stoffels M., Schmid M., and Hartmann A. (2009). Isolation, partial identification and application of diazotrophic rhizobacteria from traditional Indian rice cultivars. European Journal of Soil Biology 45: 62-72

  5. Oliveira A.L.M, Stoffels M., Schmid M., Reis V.M., Baldani J.I., and Hartmann A. (2009). Colonization of sugarcane plantlets by mixed inoculations with diazotrophic bacteria. European Journal of Soil Biology 45: 106-113

  6. Hartmann A., Schmid M., van Tuinen D., and Berg G. (2009). Plant-driven selection of microbes. Plant Soil in press, doi: 10.1007/s11104-008-9814-y

    2008

  7. Wagner T., Arango Isaza L.M., Grundmann S., Dörfler U., Schroll R., Schloter M., Hartmann A., Sandermann H., and Ernst D. (2008). The probability of a horizontal gene transfer from Roundup Ready® soybean to microorganisms: a risk assessment study on the GSF lysimeter station. Water, Air, & Soil Pollution: Focus 8: 155-162

  8. Rothballer M., Eckert B., Schmid M., Fekete A., Schloter M., and Hartmann A. (2008). Endophytic root colonization of gramineous plants by Herbaspirillum frisingense. FEMS Microbiology Ecology 66: 85-95

  9. Sharma M., Schmid M., Rothballer M., Hause G., Zuccaro A., Imani J., Kampfer P., Schäfer P., Hartmann A., and Kogel K.-H. (2008). Detection and identification of bacteria intimately associated with representatives of the order Sebacinales. Cellular Microbiology 10: 2235–2246

  10. Hartmann, A., Rothballer, M. and Schmid, M. (2008). Lorenz Hiltner, a pioneer in rhizosphere microbial ecology and soil bacteriology research. Plant and Soil 312: 7-14

    2007

  11. Fekete, A., Frommberger, M., Rothballer, M., Li, X., Englmann, M., Fekete, J., Hartmann, A., Eberl, L. and Schmitt-Kopplin, P. (2007). Identification of bacterial N-acylhomoserine lactones (AHLs) with a combination of ultra-performance liquid chromatography (UPLC), ultra-high resolution mass spectrometry, and in-situ biosensors. Analytical and Bioanalytical Chemistry 387: 455-467

  12. Wang, F., Grundmann, S., Schmid, M., Dorfler, U., Rohrer, S., Munch, J. C., Hartmann, A., Xin, J. and Schroll, R. (2007). Isolation and characterization of 1,2,4-trichlorobenzene mineralizing Bordetella sp. and its bioremediation potential in soil. Chemosphere 67: 896-902

  13. Selesi, D., Pattis, I., Schmid, M., Kandeler. E. and Hartmann, A. (2007). Quantification of bacterial RubisCO genes in soils by cbbL targeted real-time PCR. Journal of Microbiological Methods 69: 497-503

  14. Chowdhury, S. P., Schmid, M., Hartmann, A. and Tripathi, A.K. (2007). Identification of diazotrophs in the culturable bacterial community associated with roots of Lasiurus sindicus, a perennial grass of Thar Desert, India. Microbial Ecology 54: 82-90

  15. Hense, B.A., Kuttler, C., Muller, J., Rothballer, M., Hartmann, A. and Kreft, J.-U. (2007). Does efficiency sensing unify diffusion and quorum sensing? Nature Reviews Microbiology 5: 230-239

  16. Nabti, E., Sahnoune, M., Adjrad, S., van Dommelen, A., Ghoul, M., Schmid, M. and Hartmann, A. (2007). A halophilic and osmotolerant Azospirillum brasilense strain from Algerian Soil restores wheat growth under saline conditions. Engineering in Life Sciences 7: 354-360

  17. Bertaux, J., Gloger, U., Schmid, M., Hartmann, A. and Scheu, S. (2007). Routine fluorescence in situ hybridization in soil. Journal of Microbiological Methods 69: 451-460

  18. Gotz, C., Fekete, A., Gebefugi, I., Forczek, S. T., Fuksova, K., Li, X., Englmann, M., Gryndler, M., Hartmann, A., Matucha, M., Schmitt-Kopplin, P. and Schroder, P. (2007). Uptake, degradation and chiral discrimination of N-Acyl-D/L-homoserine lactones by barley (Hordeum vulgare) and yam bean (Pachyrhizus erosus) plants. Analytical and Bioanalytical Chemistry 389: 1447-1457

    2006

  19. Bathe, S., Achouak, W., Hartmann, A., Heulin, T., Schloter, M. and Lebuhn, M. (2006). Genetic and phenotypic microdiversity of Ochrobactrum spp. FEMS Microbiology Ecology 56: 272-280

  20. Schuhegger, R., Ihring, A., Gantner, S., Bahnweg, G., Knappe, C., Vogg, G., Hutzler, P., Schmid, M., Van Breusegem, F., Eberl, L., Hartmann, A. and Langebartels, C. (2006). Induction of systemic resistance in tomato plants by N-acyl-L-homoserine lactone-producing rhizosphere bacteria. Plant, Cell and Environment 29: 909-918

  21. Gantner, S., Schmid, M., Durr, C., Schuhegger, R., Steidle, A., Hutzler, P., Langebartels, C., Eberl, L., Hartmann, A. and Dazzo, F.B. (2006). In situ quantitation of the spatial scale of calling distances and population density-independent N-acylhomoserine lactone- mediated communication by rhizobacteria colonized on plant roots. FEMS Microbiology Ecology 56: 188-194

  22. Kutter, S., Hartmann, A. and Schmid, M. (2006). Colonization of barley (Hordeum vulgare) with Salmonella enterica and Listeria spp. FEMS Microbiology Ecology 56: 262-271

  23. Rothballer, M., Schmid, M., Klein, I., Gattinger, A., Grundmann, S. and Hartmann A. (2006). Herbaspirillum hiltneri sp. nov., isolated from surface-sterilized wheat roots. International Journal of Systematic and Evolutionary Microbiology 56: 1341-1348

  24. Muller, J., Kuttler, C., Hense, B.A., Rothballer, M. and Hartmann, A. (2006). Cell-cell communcation by quorum sensing and dimension-reduction. Journal of Mathematical Biology 53: 672-702

  25. Li, X., Fekete, A., Englmann, M., Götz, C., Rothballer, M., Buddrus, K., Cai, C., Schröder, P., Hartmann, A., Chen, G. and Schmitt-Kopplin, P. (2006). Development and application of a method for the analysis of N-acylhomoserine lactones by solid-phase extraction and ultra high pressure liquid chromatography Journal of Chromatography 1134: 186-193

  26. Lebuhna, M., Bathe, S., Achouak, W., Hartmann, A., Heulin, T. and Schloter, M. (2006). Comparative sequence analysis of the internal transcribed spacer 1 of Ochrobactrum species. Systematic and Applied Microbiology 29: 265–275

    2005

  27. Azevedo A.S., Teixeira K.R.S., Kirchhof G., Hartmann A., and Baldani J.I. (2005). Influence of soil and host plant crop on the genetic diversity of Azospirillum amazonense isolates. Pedobiologia 49: 565-576

  28. Stein, S., Selesi, D., Schilling, Rolf., Pattis, I., Schmid, M. and Hartmann, A. (2005) Microbial activity and bacterial composition of H2-treated soils with net CO2 fixation. Soil Biology and Biochemistry 37: 1938-1945

  29. Berg, G., Eberl, L. and Hartmann, A. (2005). The rhizosphere as a reservoir for opportunistic human pathogenic bacteria. Environmental Microbiology 7: 1673-1685

  30. Bertaux, J., Schmid, M., Hutzler, P., Hartmann, A., Garbaye, J. and Frey-Klett, P. (2005). Occurrence and distribution of endobacteria in the plant-associated mycelium of the ectomycorrhizal fungus Laccaria bicolor S238N. Environmental Microbiology 7: 1786-1795

  31. Courty, P.-E., Pritsch, K., Schloter, M., Hartmann, A. and Garbaye, J. (2005). Activity profiling of ectomycorrhiza communities in two forest soils using multiple enzymatic tests. New Phytologist 167: 309-319

  32. Frommberger, M., Hertkorn, N., Englmann, M., Jakoby, S., Hartmann, A., Kettrup, A. and Schmitt-Kopplin, Ph. (2005). Analysis of N-acylhomoserine lactones after alkaline hydrolysis and anion-exchange solid-phase extraction by capillary zone electrophoresis-mass spectrometry. Electrophoresis 26: 1523-1532

  33. Herschkovitz, Y., Lerner, A., Davidov, Y., Rothballer, M., Hartmann, A., Okon, Y. and Jurkevitch, E. (2005). Inoculation with the plant growth promoting rhizobacterium Azospirillum brasilense causes little disturbance in the rhizosphere and rhizoplane of maize (Zea mays). Microbial Ecology 50: 277-288

  34. Laturnus, F., Fahimi, I., Gryndler, M., Hartmann, A., Heal, M.R., Matucha, M., Scholer, H.F., Schroll, R. and Svensson, T. (2005). Natural formation and degradation of chloroacetic acids and volatile organochlorines in forest soils. Environmental Science and Pollution Research 12: 233-244

  35. Miltner, A., Kopinke, F.-D., Kindler, R., Selesi, D., Hartmann, A. and Kastner, M. (2005). Non-photosynthetic CO2 fixation by soil microorganisms. Plant and Soil 269: 193-203

  36. Rothballer, M., Schmid, M., Fekete, A. and Hartmann, A. (2005). Comparative in situ analysis of ipdC-gfpmut3 promotor fusions of Azospirillum brasilense strains Sp7 and Sp245. Environmental Microbiology 7: 1839-1846

  37. Selesi, D., Schmid, M. and Hartmann, A. (2005). Diversity of "green-like" and "red-like" ribulose-1,5-bisphosphate carboxylase/oxygenase large subunit genes (cbbL) in differently managed agricultural soils. Applied and Environmental Microbiology 71: 175-177

  38. K. Pritsch, K., Luedemann, G., Matyssek, R., Hartmann, A., Schloter, M., Scherb, H. and Grams, T.E.E. (2005). Mycorrhizosphere responsiveness to atmospheric ozone and inoculation with Phytophthora citricola in a phytotron Experiment with spruce/beech mixed cultures. Plant Biology 7: 718–727

    2004

  39. Frommberger, M., Schmitt-Kopplin, P., Ping, G., Frisch, H., Schmid, M., Zhang, Y., Hartmann, A. and Kettrup, A. (2004). A simple and robust set-up for on-column sample preconcentration–nano-liquid chromatography – electrospray ionization mass spectrometry for the analysis of N-homoserine lactones. Analytical and Bioanalytical Chemistry 378: 1014-1020

  40. Pritsch, K., Raidl, S., Marksteiner, E., Blaschke, H., Agerer, R., Schloter, M. and Hartmann, A. (2004) A rapid and highly sensitive method for measuring enzyme activities in single mycorrhizal tips using 4-methylumbelliferone-labelled fluorogenic substances in a microplate system (2004) Journal of Microbiological Methods 58: 233-241

  41. Reis, V.M., Estrada-de los Santos, P., Tenorio-Salgado, S., Vogel, J., Stoffels, M., Guyon, S., Mavingui, P., Baldani, V.L.D., Schmid, M., Baldani, J.I., Balandreau, J., Hartmann, A. and Caballero-Mellado, J. (2004). Burkholderia tropica sp. nov., a novel nitrogen-fixing, plant-associated bacterium. International Journal of Systematic and Evolutionary Microbiology 54: 2155-2162

    2003

  42. Lucas-García, J.A., Schloter, M., Durkaya, T., Hartmann, A. and Gutiérrez-Mañero, F.J. (2003) Colonization of pepper roots by a plant growth promoting Pseudomonas fluorescens strain. Biology and Fertility of Soils 37: 381-385

  43. Bertaux, J., Schmid, M., Chemidlin Prevost-Boure, N., Churin, J.L., Hartmann, A., Garbaye,J. and Frey-Klett, P. (2003). In situ identification of intracellular bacteria related to Paenibacillus spp. in the mycelium of the ectomycorrhizal fungus Laccaria bicolor S238N. Applied and Environmental Microbiology 69: 4243-4248

  44. Frommberger, M., Schmitt-Kopplin, P., Menzinger, F., Albrecht, V., Schmid, M., Eberl, L., Hartmann, A. and Kettrup, A. (2003). Analysis of N-acyl-L-homoserine lactones produced by Burkholderia cepacia with partial filling micellar electrokinetic chromatography - electrospray ionization-ion trap mass spectrometry. Electrophoresis 24: 3067-3074

  45. Metz, S., Beisker, W., Hartmann, A. and Schloter, M. (2003). Detection methods for the expression of the dissimilatory copper-containing nitrite reductase gene (DnirK) in environmental samples. Journal of Microbiological Methods 55: 41-50

  46. Rothballer, M., Schmid, M. and Hartmann, A. (2003). In situ localization and PGPR-effect of Azospirillum brasilense strains colonizing roots of different wheat varieties. Symbiosis 34: 261-279

  47. Shmid, M. and Hartmann, A. (2003). Molecular Phylogeny and ecology of root associated diazotrophic alfa- and beta proteobacteria. In: Associative and Endophytic Nitrogen-fixing Bacteria and Cyanobacterial Association. (Eds.) C. Elmerich and W. E. Newton. Kluwer Academic Publishers, Netherlands. Chapters 2. pp. 1-20

    2002

  48. Jontofsohn M., Pfister G., Severin-Edmair G., Schramm K.-W., Hartmann A., and Schloter M. (2002). Bacterial community structure in lake sediments of microcosms contaminated with nonylphenol. Journal of Soils and Sediments 2: 211-215

  49. Jontofsohn, M., Stoffels, M., Hartmann, A., Pfister, G., Juttner, I., Severin-Edmeir, G., Schramm, K.-W. and Schloter, M. (2002). Influence of nonylphenol on the microbial community of lake sediments in microcosms. The Science of the Total Environment 285: 3-10

  50. Metz, S., Hartmann, A. and Schloter, M. (2002). Development and characterization of murine monoclonal antibodies specific for dissimilatory copper nitrite reductase. Hybridoma and Hybridomics 21: 351-357

  51. Emmerling, C., Schloter, M., Hartmann, A. and Kandeler, E. (2002) Functional diversity of soil organisms: a review of recent research activities in Germany. Journal of plant nutrition and soil science 165: 408-420

    2001

  52. Bach, H.J., Hartmann, A., Schloter, M. and Munch, J.C. (2001). PCR primers and functional probes for amplification and detection of bacterial genes for extracellular peptidases in single strains and in soil. Journal of Microbiological Methods 44: 173-182

  53. Eckert, B., Weber, O.B., Kirchhof, G., Halbritter, A., Stoffels, M. and Hartmann, A. (2001). Azospirillum doebereinerae sp. nov., a nitrogen-fixing bacterium associated with the C4-grass Miscanthus. International Journal of Systematic and Evolutionary Microbiology 51: 17-26

  54. Kirchhof, G., Eckert, B., Stoffels, M., Baldani, J.I., Reis, V.M. and Hartmann, A. (2001). Herbaspirillum frisingense sp. nov., a new nitrogen fixing bacterial species occurring in C4-energy plants. International Journal of Systematic and Evolutionary Microbiology 51: 157-168

  55. Steidle, A., Sigl, K., Schuhegger, R., Ihring, A., Schmid, M., Gantner, S., Stoffels, M., Riedel, K., Givskov, M., Hartmann, A., Langebartels, C. and Eberl, L. (2001). Visualization of N-Acylhomoserine lactone-mediated cell-cell communication between bacteria colonizing the tomato rhizosphere. Applied and Environmental Microbiology 67: 5761-5770

  56. Stoffels, M., Castellanos, T. and Hartmann, A. (2001). Design and application of new 16S rRNA-targeted oligonucleotide probes for the Azospirillum-Skermanella-Rhodocista-cluster. Systematic and Apllied Microbiology 24: 83-97

    2000

  57. Mogge B., Loferer C., Agerer R., Hutzler P., and Hartmann A. (2000). Bacterial community structure and colonization patterns of Fagus sylvatica L. ectomycorrhizospheres as determined by fluorescence in situ hybridization (FISH) and confocal laser scanning microscopy (CSLM). Mycorrhiza 9: 272-278

  58. Lebuhn, M., Achouak, W., Schloter, M., Berge, O., Meier, H., Hartmann, A. and Heulin, T. (2000). Taxonomic characterization of Ochrobactrum sp. isolates from soil samples and wheat roots, and description of Ochrobactrum tritici sp. nov. and Ochrobactrum grignonense sp. nov. International Journal of Systematic and Evolutionary Microbiology 50: 2207-2223

  59. Schloter, M., Lebuhn, M., Heulin, T. and Hartmann, A. (2000). Ecology and evolution of bacterial microdiversity. FEMS Microbiology Reviews 24: 647-660

  60. Hartmann, A., Stoffels, M., Eckert, B., Kirchhof, G. and Schloter. M. (2000) Analysis of the presence and diversity of diazotrophic endophytes. In: Prokaryotic nitrogen fixation: A model system for the analysis of a biological process. (Ed.)E.W. Triplett. Horizon Scientific Press. UK. Chapter 41 pp. 727-736

    1999

  61. Bach, H.-J., Errampalli, D., Leung, H.T., Lee, H., Hartmann, A., Trevors, J.T. and Munch, J.C. (1999). Specific detection of the gene for the extracellular neutral protease of Bacillus cereus by PCR and blot hybridization. Applied and Environmental Microbiology 65: 3226-3229

  62. Bach, H.-J., Hartmann, A., Trevors, J.T. and Munch, J.C. (1999). Magnetic capture- hybridization method for purification and probing of mRNA for neutral protease of Bacillus cereus. Journal of Microbiological Methods 37: 187-192

  63. Winkelmann, G., Busch, B., Hartmann, A., Kirchhof, G., Sußmuth, R. and Jung, G. (1999). Degradation of desferrioxamines by Azospirillum irakense: Assignment of metabolites by HPLC/electrospray mass spectrometry. BioMetals 12: 255-264

    1998

  64. Gilbert B., Aßmus B., Hartmann A., and Frenzl P. (1998). In situ localization of two methanotrophic strains in the rhizosphere of rice plants. FEMS Microbiology Ecology 25: 117-128

  65. Kirchhof G., Baldani J.I., Reis V.M., and Hartmann A. (1998). Molecular assay to identify Acetobacter diazotrophicus and detect its occurrence in plant tissues. Canadian Journal of Microbiology 44: 12-19

  66. Schloter M., and Hartmann A. (1998). Endophytic and surface colonization of wheat roots (Triticum aestivum) by different Azospirillum brasilense strains studied with strain-specific monoclonal antibodies. Symbiosis 25: 159-179

  67. Schloter, M., Zelles, L., Hartmann, A. and Munch, J.C. (1998) New quality of assessment of microbial diversity in arable soils using molecular and biochemical methods. Zeitschrift fuer Pflanzenernaehrung und Bodenkunde 161: 425-431

    1997

  68. Lebuhn M., Heulin T., and Hartmann A. (1997). Production of auxin and other indolic and phenolic compounds by Paenibacillus polymyxa strains isolated from different proximity to plant roots. FEMS Microbiology Ecology 22: 325-334

  69. Kirchhof, G., Schloter, M., Aßmus, B. and Hartmann, A. (1997) Molecular microbial ecology approaches applied to diazotrophs associated with non-legumes. Soil Biology and Biochemistry 29: 853-862

  70. Aßmus, B., Schloter, M., Kirchhof, G., Hutzler, P. and Hartmann, A. (1997). Improved in situ tracking of rhizosphere bacteria using dual staining with fluorescence-labeled antibodies and rRNA-targeted oligonucleotides. Microbial Ecology 33: 32-40

  71. Kirchhof, G., Reis, V.M., Baldani, J.I., Eckert, B., Dobereiner, J. and Hartmann, A. (1997). Occurrence, physiological and molecular analysis of endophytic diazotrophic bacteria in gramineous energy plants. Plant and Soil 194: 45-55

  72. Ludwig, W., Bauer, S.H., Bauer, M., Held, I., Kirchhof, G., Schulze, R., Huber, I., Spring, S., Hartmann, A. and Schleifer, K.H. (1997). Detection and in situ localization of representatives of a widely distributed new bacterial phylum. FEMS Microbiology Letters 153: 181-190

  73. Schloter, M., Wiehe, W., Aßmus, B., Steindl, H., Becke, H. and Hoflich, G. (1997). Root colonization of different plants by plant-growth promoting Rhizobium leguminosarum bv. trifolii R39 studied with monospecific polyclonal antisera. Applied and Environmental Microbiology 63: 2038-2046

  74. Hartmann, A., Assmus, B., Kirchhof, G. and Schloter, M. (1997) Direct approaches for studying soil microbes. In: van Elsas JD, Trevors JT, Wellington EMH (eds) Modern soil microbiology. Dekker, New York, pp 279-309

  75. Assmus, B.,Hausner, M., Grenier, D., Schloter, M., Hartmann, A. and Goldner, M. (1997) Direct examination of subgingival plaque from a diseased periodontal site using confocal laser scanning microscopy (CLSM). The New microbiologica 20: 155-159

  76. Schloter, M., Bode, W. and Hartmann, A. (1997) Characterization and application of a strain-specific monoclonal antibody against the rhizosphere bacterium Azospirillum brasilense Wa5. Hybridoma 16: 183-187

    1996

  77. Schloter, M. and Hartmann, A. (1996) Production and characterization of strain-specific monoclonal antibodies against outer membrane components of Azospirillum brasilense Sp245. Hybridoma 15: 225-32.

  78. Wiehe, W., Schloter, M., Hartmann, A., Höflich, G. (1996) Detection of colonization by Pseudomonas PsIA12 of inoculated roots of Lupinus albus and Pisum sativum in grennhouse experiments with immunological techniques. Symbiosis 20: 129-145

  79. Baldani, J.I., Pot, B., Kirchhof, G., Falsen, E., Baldani, V.L.D., Olivares, F.L., Hoste, B., Kersters, K., Hartmann, A., Gillis, M. and Dobereiner, J. (1996). Emended description of Herbaspirillum; inclusion of [Pseudomonas] rubrisubalbicans, a mild plant pathogen, as Herbaspirillum rubrisubalbicans comb. nov.; and classification of a group of clinical isolates (EF group 1) as Herbaspirillum species 3. International Journal of Systematic Bacteriology 46: 802-810

    1995

  80. Albers B.P., Beese F., and Hartmann A. (1995). Flow-microcalorimetric measurements of aerobic and anaerobic soil microbial activities. Biology and Fertility of Soils 19: 203-208

  81. Schloter, M., Aßmus, B. and Hartmann, A. (1995). The use of immunological methods to detect and identify bacteria in the environment. Biotechnology Advances 13: 75-90

  82. Aßmus, B., Hutzler, P., Kirchhof, G., Amann, R., Lawrence, J.R. and Hartmann, A. (1995). In situ localization of Azospirillum brasilense in the rhizosphere of wheat using fluorescently labeled, rRNA-targeted oligonucleotide probes and scanning confocal laser microscopy. Applied and Environmental Microbiology 61: 1013-1019

  83. hartmann, A., Baldani, J.-I., Kirchhof, G., Aßmus, B., Hutzler, P., Springer, N., Ludwing, W., Baldani, V.-L. and Dobereiner, J. (1995) Taxonomic and ecologic studies of diazotrophic rhizosphere bacteria using phylogenetic probes in: Azospirillum and related microorganisms. NATO ASI Series, ( I. Fendrik et al. eds) Vol. 37 pp. 543-547, Springer-Verlag Berin Heidelberg.

    1994

  84. Beese F., Hartmann A., Beck T., Rackwitz R., and Zelles L. (1994). Microbial community structure and activity in agricultural soils under different management. Zeitschrift für Pflanzenernährung und Bodenkunde 157: 187-195

  85. Hund K., Remde A., Necker U., and Hartmann A. (1994). Regeneration mikrobieller Aktivität in Böden nach natürlichen Streßsituationen - Bewertungskriterium für die Bodenqualität. Bioengineering 6: 38-41
  86. Lebuhn M., Heilmann B., and Hartmann A. (1994). Effects of drying/rewetting stress on microbial auxin production and L-tryptophan catabolism in soils. Biology and Fertility of Soils 18: 302-310

  87. Wagner M., Aßmus B., Amann R., Hutzler P., and Hartmann A. (1994). In situ analysis of microbial consortia in activated sludge using fluorescently labelled, rRNA-targeted oligonucleotide probes and confocal scanning laser microscopy. Journal of Microscopy 176: 181-187

  88. Wagner M., Amann R., Kämpfer P., Aßmus B., Hartmann A., Hutzler P., Ludwig W., Springer N., and Schleifer K.-H. (1994). Identification and in situ detection of Gram-negative filamentous bacteria in activated sludge. Systematic and Applied Microbiology 17: 405-417

  89. Hartmann, A. and Zimmer, W. (1994) Physiology of Azospirillum. In: Okon Y (ed) Azospirillum/plant associations. CRC, Boca Raton, Fla., pp 15–39

  90. Stubner, S., Schlober, M., Moeck, G.S:, Coulton J. W., Ahne, F. and Hartmann A. (1994). Construction of umu-fhuA operon fusions to detect genotoxic potential by an antibody-cell surface reaction. Environmental Toxicology and Water Quality 9: 285-291

  91. Schloter, M., Moens, S., Croes, C., Reidel, G., Esquenet, M., De Mot, R., Hartmann, A, and Michiels, K. (1994). Characterization of cell surface components of Azospirillum brasilense Sp7 as antigenic determinants for strain-specific monoclonal antibodies. Microbiology 140: 823-828

    1993

  92. Schloter, M., Borlinghaus, R., Bode, W. and Hartmann, A. (1993) Direct identification, and localization of Azospirillum in the rhizosphere of wheat using fluorescence-labelled monoclonal antibodies and confocal scanning laser microscopy. Journal of microscopy 71: 173-177

  93. Gundisch C., Kirchhof G., Baur M., Bode W., and Hartmann A. (1993). Identification of Azospirillum species by RFLP and pulsed-field gel electrophoresis. Microbial releases 2: 41-45

  94. Lebuhn M., and Hartmann A. (1993). Method for the determination of indole-3-acetic acid and related compounds of L-tryptophan catabolism in soils. Journal of chromatography 629: 255- 266

    1992

  95. Schloter, M., Bode, W., Hartmann, A. and Beese, F. (1992) Sensitive chemoluminescence-based immunological quantification of bacteria in soil extracts with monoclonal antibodies. Soil Biology and Biochemistry 24: 399-403

  96. Schloter, M., Bode, W. and Hartmann, A. (1992) Characterization of monoclonal antibodies against cell surface structures of Azospirillum brasilense Sp7 using ELISA techniques. Symbiosis 13: 37-45

  97. Kirchhof G., and Hartmann A. (1992). Development of Azospirillum specific gene-probes based on 23S-rRNA sequences. Symbiosis 13: 27-35

    1991

  98. Hartmann, A., Prabhu, S.R., Galinski, E.A. (1991) Osmotolerance of diazotrophic rhizosphere bacteria. Plant and Soil 137: 105–109.

  99. Burris R. H., Hartmann A., Zhang Y., and Fu H. (1991). Control of nitrogenase in Azospirillum spp. Plant and Soil 137: 127-124

    1989

  100. Fu, H., Hartmann, A., Lowery, R.G., Fitzmaurice, W.P., Roberts, G.P. and Burris, R.H. (1989). Posttranslational regulatory system for nitrogenase activity in Azospirillum spp. Journal of Bacteriology 171: 4679-4685

    1988

  101. Hartmann A., and Hurek T. (1988). Effect of carotenoid overproduction on oxygen tolerance of nitrogen fixation in Azospirillum brasilense Sp7. Journal of General Microbiology 134: 2449- 2455

  102. Hartmann, A., Fu, H. and Burris, R. H. (1988). Influence of amino acids on nitrogen fixation activity and growth of Azospirillum spp. Applied and Environmental Microbiology 54: 87-93

  103. Hartmann, A. (1988). Ecophysiological aspects of growth and nitrogen fixation in Azospirillum spp. Plant and Soil 110: 225-238

    1987

  104. Hartmann, A. and Burris, R.H. (1987). Regulation of nitrogenase activity by oxygen in Azospirillum brasilense and Azospirillum lipoferum. Journal of Bacteriology 169: 944-948

    1986

  105. Hartmann, A., Fu, H. and Burris, R.H. (1986). Regulation of the nitrogenase activity by ammonium chloride in Azospirillum spp. Journal of Bacteriology 165: 864-870

    1985

  106. Song, S.D., Hartmann, A. and Burris, R.H. (1985). Purification and properties of the nitrogenase of Azospirillum amazonense. Journal of Bacteriology 164: 1271-1277

    1983

  107. Hartmann, A., Singh, M. and Klingmuller, W. (1983). Isolation and characterization of Azospirillum mutants excreting high amounts of indoleacetic acid. Canadian Journal of Microbiology 29: 916-923

  108. Kleiner, D., Alef, K. and Hartmann, A. (1983). Uptake of methionine sulfoximine by some N2- fixing bacteria and its effect on ammonium transport. FEBS letters 164: 121-123

    1982

  109. Hartmann A., and Kleiner D. (1982). Ammonium (methylammonium) transport by Azospirillum spp. FEMS Microbiology Letters 15: 65-67

    1981

  110. Schneider R., Hartmann A., and Braun V. (1981). Transport of the iron ionophore ferrichrome in Escherichia coli K-12 and Salmonella typhimurium LT2. FEMS Microbiology Letters 11: 115-119

  111. Hartmann A., and Braun V. (1981). Iron uptake and iron limited growth of Escherichia coli K- 12. Archives of Microbiology 130: 353-356

    1980

  112. Hartmann A., and Braun V. (1980). Iron uptake in Escherichia coli: Uptake and modification of ferrichrome. Journal of Bacteriology 143: 246-255

    1979

  113. Hartmann, A., Fiedler, H.P. and Braun, V. (1979). Uptake and conversion of the antibiotic albomycin by Escherichia coli K-12. European Journal of Biochemistry 99: 517-524

    1976

  114. Michel R., Liebl A., Hartmann A., and Neupert W. (1976). Action of intracellular proteinases on mitochondrial translation products of Neurospora crassa and Schizosaccharomyces pombe. Hoppe-Seyler's Zeitschrift für physiologische Chemie 357: 415-426

  115. Braun V., Hancock R.E.W., Hantke K., and Hartmann A. (1976). Functional organization of the outer membrane of Escherichia coli: phage and colicin receptors as components of iron uptake systems. Journal of Supramolecular Structure 5: 37-58


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