Molecular Microbial Ecology
Publications in peer reviewed journals
--2012--
Kaestli M., Schmid M., Mayo M., Rothballer M., Harrington G., Richardson L., Hill A., Hill J., Tuanyok A., Keim P., Hartmann A., and Currie B.J. (2012). Out of the Ground: Aerial and Exotic Habitats of the Melioidosis Bacterium Burkholderia pseudomallei in Grasses in Australia. Env. Microbiol. DOI: 10.1111/j.1462-2920.2011.02671.x
Li D., Rothballer M., Engel M., Hoser J., Schimdt T., Kuttler C., Schmid M., Schloter M., and Hartmann A. (2012). Phenotypic variation in Acidovorax radicis N35 influences plant growth promotion. FEMS Microbiol. Ecol. 79(3): 751-762
Trejo A., de-Bashan L.E., Hartmann A., Hernandez J.-P., Rothballer M., Schmid M., and Bashan Y. (2012). Recycling waste debris of immobilized microalgae and plant growth-promoting bacteria from wastewater treatment as a resource to improve fertility of eroded desert soil. Environ. Experiment. Bot. 75: 65-73
Fröhlich A.*, Buddrus-Schiemann K.*, Durner J., Hartmann A., and von Rad U. (2012). Response of barley to root colonization by Pseudomonas sp. DSMZ 13134 under laboratory, greenhouse, and field conditions. J. Plant Interact., in press *These two authors contributed equally to this work
Fischer D., Pfitzner B., Schmid M., Simões-Araújo J. L., Reis V. M., Pereira W., Ormeño-Orrillo E., Hofmann A., Martinez-Romero E., Baldani J. I., and Hartmann A. (2012). Molecular characterisation of the diazotrophic bacterial community in uninoculated and inoculated field-grown sugarcane (Saccharum sp.). Plant Soil DOI: 10.1111/j.1574-6941.2011.01259.x
Timmers R.A.*, Rothballer M.*, Strik D.P.B.T.B., Engel M., Schulz S., Schloter M., Hartmann A., Hamelers B., and Buisman C. (2012). Microbial community structure elucidates performance of Glyceria maxima plant microbial fuel cell. Appl. Microbiol. Biotechnol. 94(2): 537-548 *These authors contributed equally to this work
--2011--
Picot M., Lapinsonnière L., Rothballer M., and Barrière F. (2011). Graphite anode surface modification with controlled reduction of specific aryl diazonium salts for improved microbial fuel cells power output. Biosens. Bioelectron. 28: 181-188
Li D.*, Rothballer M.*, Schmid M., Esperschütz J., and Hartmann A. (2011). Acidovorax radicis sp. nov., a rhizosphere bacterium isolated from wheat roots. IJSEM 61: 2589-2594 *These two authors contributed equally to this work
Gontia I., Kumari K., Schmid M., Hartmann A., and Jha B. (2011). Brachybacterium saurashtrense sp. nov., a halotolerant root-associated bacterium with plant growth promoting potential. IJSEM 61: 2799-2804
de-Bashan L.E., Schmid M., Rothballer M., Hartmann A., and Bashan Y. (2011). Cell-cell interaction in the eukaryote-prokaryote model of the microalgae Chlorella vulgaris and the bacterium Azospirillum brasilense immobilized in polymer beads. J. Phycol. 47: 1350–1359
Isaza L.A., Opelt K., Wagner T., Mattes E., Bieber E., Hatley E.O., Roth G., Sanjuán J., Fischer H.-M., Sandermann H., Hartmann A., and Ernst D. (2011). Lack of glyphosate resistance gene transfer from Roundup Ready® soybean to Bradyrhizobium japonicum under field and laboratory conditions. Z. Naturforsch. 66c: 595-604
--2010--
Wang F., Dörfler U., Schmid M., Fischer D., Kinzel L., Scherb H., Munch J.C., Jiang X., and Schroll R. (2010). Homogeneous inoculation vs. microbial hot spots of isolated strain and microbial community: What is the most promising approach in remediating 1,2,4-TCB contaminated soils? Soil Biol. Biochem. 42: 331-336
Fekete A.*, Kuttler C.*, Rothballer M.*, Hense B.A., Fischer D., Buddrus-Schiemann K., Lucio M., Müller J., Schmitt-Kopplin P., and Hartmann A. (2010). Dynamic regulation of N-acyl-homoserine lactone production and degradation in Pseudomonas putida IsoF. FEMS Microbiol. Ecol. 72: 22-34 *These authors contributed equally to this work
Nabti E., Sahnoune M., Ghoul M., Fischer D., Hofmann A., Rothballer M., Schmid M., and Hartmann A. (2010). 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. J. Plant Growth Regul. 29: 6-22
Müller A.A., Schmid M., Meyer O., and Meussdoerffer F. G. (2010). Listeria seeligeri isolates from food processing environments form two phylogenetic lineages. Appl. Environ. Microbiol. 76: 3044-3047
Buddrus-Schiemann K., Schmid M., Schreiner K., Welzl G., and Hartmann A. (2010). Root colonization by Pseudomonas sp. DSMZ 13134 and impact on the indigenous rhizosphere bacterial community of barley. Microb. Ecol. 60: 381–393
Chen X., Kremmer E., Gouzy M.-F., Clausen E., Starke M., Wöllner K., Pfister G., Hartmann A., and Krämer P.M. (2010). Development and characterization of rat monoclonal antibodies for N-acylated homoserine lactones. Anal. Bioanal. Chem. 398: 2655–2667
Chen X., Buddrus-Schiemann K., Rothballer M., Krämer P., and Hartmann A. (2010). Detection of AHL quorum sensing molecules in Burkholderia cepacia culture supernatants with enzyme-linked immunosorbent assays. Anal. Bioanal. Chem. 398: 2669-2676
Barbarossa M.V., Kuttler C., Fekete A., and Rothballer M. (2010). A delay model for quorum sensing of Pseudomonas putida. BioSystems 102: 148-156
Engel A.S., Meisinger D.B., Porter M.L., Payne R.A., Schmid M., Stern L.A., Schleifer K.-H., and Lee N.M. (2010). Linking phylogenetic and functional diversity to nutrient spiraling in microbial mats from Lower Kane Cave (USA). ISME J. 4: 98-110
--2009--
Chowdhury S.P., 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. Eur. J. Soil Biol., 45: 114-122
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. Eur. J. Soil Biol. 45: 62-72
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. Eur. J. Soil Biol. 45: 106-113
Malik A.K., Fekete A., Gebefuegi I., Rothballer M., and Schmitt-Kopplin P. (2009). Single drop microextraction of homoserine lactone based quorum sensing signal molecules and their enantiomers separation using gas chromatography-mass spectrometry in the presence of biological matrices. Microchim. Acta 166: 101-107
Hartmann A., Schmid M., van Tuinen D., and Berg G. (2009). Plant-driven selection of microbes. Plant Soil 321: 235-257
Getenga Z., Dörfler U., Iwobi A., Schmid M., and Schroll R. (2009). Atrazine and terbuthylazine mineralization by an Arthrobacter sp. isolated from a sugarcane-cultivated soil in Kenya. Chemosphere 77: 534–539
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 of Cronobacter spp. Res. Microbiol. 160: 608-614
Hartmann A. and Bashan Y. (2009) Ecology and application of Azospirillum and other plant growth-promoting bacteria (PGPB). Eur. J. Soil Biol. 45: 1-2
Rosenberg K., Bertaux J., Krome K., Hartmann A., Scheu S, and Bonkowski M. (2009). Soil amoebae rapidly change bacterial community composition in the rhizosphere of Arabidopsis thaliana. ISME J. 3: 675-684
--2008--
Hartmann A., Rothballer M., and Schmid M. (2008). Lorenz Hiltner, a pioneer in rhizosphere microbial ecology and soil bacteriology research. Plant Soil 312: 7-14
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 Poll., in press
Rothballer M., Eckert B., Schmid M., Fekete A., Schloter M., and Hartmann A. (2008). Endophytic root colonization of gramineous plants by Herbaspirillum frisingense. FEMS Microbiol. Ecol. 66(1): 85-95
Sharma M., Schmid M., Rothballer M., Hause G., Zuccaro A., Imani J., Kämpfer P., Schäfer P., Hartmann A., and Kogel K.-H. (2008). Detection and identification of bacteria intimately associated with representatives of the order Sebacinales. Cell. Microbiol. 10(11): 2235–2246
Barriuso J., Ramos Solano B., Fray R.G., Cámara M., Hartmann A., Gutiérrez Manero F.J. (2008). Transgenic tomato plants alter quorum sensing in plant growth promoting rhizobacteria. Plant Biotechnol. J. 6: 442-452
Ekschmitt K., Kandeler E., Poll C., Brune A., Buscot F., Friedrich M., Gleixner G., Hartmann A., Kästner M., Marhan S., Miltner A., Scheu S., Wolters V. (2008). Soil carbon preservation through habitat constraints and biological limitations on decomposer activity. J. Plant Nutr. Soil Sci. 171: 27-35
Ernst D., Rosenbrock-Krestel H., Kirchhof G., Bieber E., Giunaschwili N., Müller R., Fischbeck G., Wagner T., Sandermann H., Hartmann A. (2008). Molecular investigations of the soil, rhizosphere and transgenic glufosinate resistant rape and maize plants in combination with herbicide (Basta) application under field conditions. Z. Naturforsch. (C) 63: 864-872
von Rad U., Klein I., Dobrev P.I., Kottova J., Zazimalova E., Fekete A., Hartmann A., Schmitt-Kopplin P., Durner J. (2008). Response of Arabidopsis thaliana to N hexanoyl DL homoserine lactone, a bacterial quorum sensing molecule produced in the rhizosphere. Planta 229: 73-85
--2007--
Bertaux J., Gloger U., Schmid M., Hartmann A., and Scheu S. (2007). Routine fluorescence in situ hybridization in soil. J. Microbiol. Meth. 69(3): 451-460
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. Anal. Bioanal. Chem. 387(2): 455-467
Götz C., Fekete A., Gebefügi I., Forczek S. T., Fuksova K., Li X., Englmann M., Gryndler M., Hartmann A., Matucha M., Schmitt-Kopplin P., and Schröder P. (2007). Uptake, degradation and chiral discrimination of N-Acyl-D/L-homoserine lactones by barley (Hordeum vulgare) and yam bean (Pachyrhizus erosus) plants. Anal. Bioanalyt. Chem. 389(5): 1447-1457
Grundmann S., Fuß R., Schmid M., Laschingera M., Ruth B., Schulin R., Munch J.-C., and Schroll R. (2007). Application of microbial hot spots caused enhanced pesticide degradation in soils that was driven by pesticide diffusion towards these hot spots. Chemosphere 68(3): 511-517
Hense B.A., Kuttler C., Müller J., Rothballer M., Hartmann A., and Kreft J.-U. (2007). Does efficiency sensing unify diffusion and quorum sensing? Nat. Rev. Microbiol. 5: 230-239
Levy W., Radl V., Ruth B., Schmid M., Munch J.C., and Schroll R. (2007). Harsh summer conditions caused structural and specific functional changes of microbial parameters in an arable soil. Eur. J. Soil Sci. 58: 736-745
Meisinger D. B., Zimmermann J., Ludwig W., Schleifer K.-H., Wanner G., Schmid M., Bennett P.C., Engel A.S., and Lee N.M. (2007). In situ detection of novel Acidobacteria in microbial mats from a chemolithoautotrophically-based cave ecosystem (Lower Kane Cave, WY, USA). Environ. Microbiol. 9(6): 1523-1534
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. Eng. Life Sci. 7(4): 354-360
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 Ecol. 54(1): 82-90
Selesi D., Pattis I., Schmid Michael, Kandeler E., and Hartmann A. (2007). Quantification of bacterial RubisCO genes in soils by cbbL targeted real-time PCR. J. Microbiol. Meth. 69: 497-503
Wang F., Grundmann S., Schmid M., Dörfler 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
--2006--
Bathe S., Achouak W., Hartmann A., Heulin T., Schloter M., and Lebuhn M. (2006). Genetic and phenotypic microdiversity of Ochrobactrum spp. FEMS Microbiol. Ecol. 56: 272-280
Gantner S., Schmid M., Dürr 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 Microbiol. Ecol. 56: 188-194
Kutter S., Hartmann A., and Schmid M. (2006). Colonization of barley (Hordeum vulgare) with Salmonella enterica and Listeria spp. FEMS Microbiol. Ecol. 56: 262-271
Lebuhn 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. System. Appl. Microbiol. 29: 265-275
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 of a solid phase extraction – ultra performance liquid chromatography method for the analysis of bacterial N-acylhomoserine lactones from complex samples. J. Chromatogr. A, 1134: 186-193
Müller J., Kuttler C., Hense B.A., Rothballer M., and Hartmann A. (2006). Cell-cell communcation by quorum sensing and dimension-reduction. J. Math. Biol. 53: 672-702
Rothballer M., Schmid M., Klein I., Gattinger A., Grundmann S., and Hartmann A. (2006). Herbaspirillum hiltneri sp. nov., isolated from surface-sterilized wheat roots. Int. J. Syst. Evol. Microbiol. 56: 1341-1348
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-acylhomoserine lactone-producing rhizosphere bacteria. Plant Cell Environ. 29: 909-918
--2005--
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
Berg G., Eberl L., and Hartmann A. (2005). The rhizosphere as a reservoir for opportunistic human pathogenic bacteria. Environ. Microbiol. 7: 1673-1685
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. Environ. Microbiol. 7: 1786-1795
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 Phytol. 167: 309-319
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
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) Microb. Ecol. 50: 277-288
Laturnus F., Fahimi I., Gryndler M., Hartmann A., Heal M.R., Matucha M., Schöler H.F., Schroll R., and Svensson T. (2005). Natural formation and degradation of chloroacetic acids and volatile organochlorines in forest soils. Environ. Sci. & Pollut. Res. 233-244
Miltner A., Kopinke F.-D., Kindler R., Selesi D., Hartmann A., and Kästner M. (2005). Non-photosynthetic CO2 fixation by soil microorganisms. Plant Soil 269: 193-203
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 phytotrone experiment with spruce / beech mixed cultures. Plant Biol. 7: 718-727
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. Environ. Microbiol. 7: 1839-1846
Schmid M., Lehner A., Schleifer K.-H., and Meier H. (2005). Development and application of oligonucleotide probes for in situ detection of thermotolerant Campylobacter in chicken faecal and liver samples. Int. J. Food Microbiol. 105: 245-255
Schmid M., Ng E.Y.W., Lampidis R., Emmerth M., Kreft J., Goebel W., Wagner M., and Schleifer K.-H. (2005). Evolutionary history of the genus Listeria and its virulence genes. Syst. Appl. Microbiol. 28(1): 1-18
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. Appl. Environ. Microbiol. 71: 175-177
Stein S., Selesi D., Schilling R., Pattis I., Schmid M., and Hartmann A. (2005). Microbial activity and bacterial composition of H2-treated soils with net CO2 fixation. Soil Biol. Biochem. 37: 1938-1945
--2004--
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. Anal. Bioanal. Chem. 378: 1014-1020
Pritsch K., Raidl, S., Marksteiner, E., Blaschke, H., Agerer, R., Schloter, M., 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) J. Microbiol. Methods 58: 233-241
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. Int. J. Syst. Evol. Microbiol. 54: 2155-2162
--2003--
Bertaux J., Schmid M., Prevost-Boure N.C., Churin J.L., Hartmann A., Garbaye J., and Frey-Klett P. (2003). In situ identification of intracellular bacteria related to Paenibacillus sp. in the mycelium of the ectomycorrhizal fungus Laccaria bicolor S238N. Appl. Environ. Microbiol. 69: 4243-4248
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
Lucas-Garcia J.A., Schloter M., Durkaya T., Hartmann A., and Gutierrez-Manero F.J. (2003). Colonization of pepper roots by a plant growth promoting Pseudomonas fluorescens strain. Biol. Fertil. Soils 37: 381-385
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. J. Microbiol. Methods 55: 41-50
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
Schmid M., Walcher M., Bubert A., Wagner M., and Schleifer K.-H. (2003). Nucleic acid-based, cultivation-independent detection of Listeria spp. and genotypes of L. monocytogenes. FEMS Immunol. Med. Microbiol. 35(3): 215-225
--2002--
Emmerling C., Schloter M., Hartmann A., and Kandeler E. (2002). Functional diversity of soil organisms - a review of recent research activities in Germany. J. Plant Nutr. Soil Sci. 165: 408-420
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 nonyl phenol. J. Soils & Sediments 2: 211-215
Jontofsohn M., Stoffels M., Hartmann A., Pfister G., Jüttner 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
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
--2001--
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. J. Microbiol. Meth. 44: 173-182
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. Int. J. Syst. Evol. Microbiol. 51: 17-26
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. Int. J. Syst. Evol. Microbiol. 51: 157-168
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-Aclhomoserine lactone-mediated cell-cell communication between bacteria colonizing the tomato rhizosphere. Appl. Environ. Microbiol. 67: 5761-5770
Stoffels M., Castellanos T., and Hartmann A. (2001). Design and application of new 16S rRNA-targeted oligonucleotide probes for the Azospirillum-Skermanella-Rhodocista-cluster. System. Appl. Microbiol. 24: 83-97
--2000--
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. Int. J. Syst. Evol. Microbiol. 50: 2207-2223
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
Schloter M., Lebuhn M., Heulin T., and Hartmann A. (2000). Ecology and evolution of bacterial microdiversity. FEMS Microbiol. Rev. 24: 647-660
--before 2000--
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. Appl. Environ. Microbiol. 65: 3226-3229
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. J. Microbiol. Methods 37: 187-192
Winkelmann G., Busch B., Hartmann A., Kirchhof G., Süßmuth R., and Jung G. (1999). Degradation of desferrioxamines by Azospirillum irakense: Assignment of metabolites by HPLC/electrospray mass spectrometry. BioMetals 12: 255-264
Gilbert B., Aßmus B., Hartmann A., and Frenzl P. (1998). In situ localization of two methanotrophic strains in the rhizosphere of rice plants by combined use of fluorescently labeled antibodies and 16S rRNA signature probes. Appl. Environ. Microbiol. 25: 117-128
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. Can. J. Microbiol. 44: 12-19
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
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. Z. Pflanzenernähr. Bodenk. 161: 425-431
Aßmus B., Hausner M., Grenier D., Schloter M., Hartmann A., and Goldberg M. (1997). Direct examination of subgingival plaques from a diseased peridontal site using confocal laser scanning microcopy (CLSM). Microbiologica 20: 155-159
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
Kirchhof G., Reis V.M., Baldani J.I., Eckert B., Döbereiner J., and Hartmann A. (1997). Occurrence, physiological and molecular analysis of endophytic diazotrophic bacteria in gramineous energy plants. Plant Soil 194: 45-55
Kirchhof G., Schloter M., Aßmus B., and Hartmann A. (1997). Molecular microbial ecology approaches applied to diazotrophs associated with non-legumes. Soil Biol. Biochem. 29: 853-862
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 Microbiol. Ecol. 22: 325-334
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 Microbiol. Lett. 153: 181-190
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
Schloter M., Wiehe W., Aßmus B., Steindl H., Becke H., and Höflich G. (1997). Root colonization of different plants by plant-growth promoting Rhizobium leguminosarum bv. trifolii R39 studied with monospecific polyclonal antisera. Appl. Environ. Microbiol. 63: 2038-2046
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 Döbereiner 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. Int. J. System. Bacteriol. 46: 802-810
Schloter M., and Hartmann A. (1996). Production and characterization of strain-specific monoclonal antibodies against outer membrane components of Azospirillum brasilense Sp245. Hybridoma 15: 225-232
Wiehe W., Schloter M., Hartmann A., and Höflich G. (1996). Detection of colonization by Pseudomonas sp. PsIA12 of inoculated roots of Lupinus albus and Pisum sativum in greenhouse experiments with immunological techniques. Symbiosis 20: 129-145
Albers B.P., Beese F., and Hartmann A. (1995). Flow-microcalorimetric measurements of aerobic and anaerobic soil microbial activities. Biol. Fertil. Soils 19: 203-208
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. Appl. Env. Microbiol. 61: 1013-1019
Schloter M., Aßmus B., and Hartmann A. (1995). The use of immunological methods to detect and identify bacteria in the environment. Biotech. Adv. 13: 75-90
Beese F., Hartmann A., Beck T., Rackwitz R., and Zelles L. (1994). Microbial community structure and activity in agricultural soils under different management. Z. Pflanzenernähr. Bodenkunde 157: 187-195
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
Lebuhn M., Heilmann B., and Hartmann A. (1994). Effects of drying/rewetting stress on microbial auxin production and L-tryptophan catabolism in soils. Biol. Fertil. Soils 18: 302-310
Schloter M., Moens S., Croos C., Reidel G., Esquenet M., DeMot 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
Stubner S., Schloter M., Moeck G., 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. Environ. Tox. Water Qual. 9: 285-291
Wagner M., Amann R., Kämpfer P., Aßmus B., Hartmann A., Hutzler P., Ludwig W., Springer N., and Schleifer K.-H. (1994). In situ identification of Gram-negative filamentous bacteria in activated sludge. System. Appl. Microbiol. 17: 405-417
Wagner M., Aßmus B., Amann R., Hutzler P., and Hartmann A. (1994). In situ analysis of microbial consortia in activated sludge using fluorescently-labeled oligonucleotide probes and scanning confocal laser microscopy. J. Microscopy 172: 181-187
Gündisch C., Kirchhof G., Baur M., Bode W., and Hartmann A. (1993). Identification of Azospirillum species by RFLP and pulsed-field gel electrophoresis. Microb. Releases 2: 41-45
Lebuhn M., and Hartmann A. (1993). Method for the determination of indole-3-acetic acid and related compounds of L-tryptophan catabolism in soils. J. Chromatogr. 629: 255- 266
Schloter M., Borlinghaus R., Bode W., and Hartmann A. (1993). Direct identification and localization of Azospirillum in the rhizosphere of wheat using fluorescence-labeled monoclonal antibodies and confocal scanning laser microscopy. J. Microscopy 171: 173-177
Hartmann A., Gündisch C., and Bode W. (1992). Azospirillum mutants improved in iron aquisition and osmotolerance as tools for the investigation of environmental fitness traits. Symbiosis 13: 271-279
Kirchhof G., and Hartmann A. (1992). Development of Azospirillum specific gene-probes based on 23S-rRNA sequences. Symbiosis 13: 27-35
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
Schloter M., Bode W., Hartmann A., and Beese F. (1992). Sensitive chemoluminescence- based immunological quantification of bacteria in soil extracts with monoclonal antibodies. Soil Biol. Biochem. 24: 399-403
Burris R. H., Hartmann A., Zhang Y., and Fu H. (1991). Control of nitrogenase in Azospirillum spp. Plant and Soil 137: 127-124
Hartmann A., Prabhu S.R., and Galinski E.A. (1991). Osmotolerance of diazotrophic rhizosphere bacteria. Plant and Soil 137: 105-109
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. J. Bacteriol. 171: 4679-4685
