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- Becker A, Rüberg S, Küster H, Roxlau A, Keller M, Ivashina T, Cheng H-P, Walker GC, Pühler A (1997). The 32-kb exp gene cluster of Rhizobium meliloti directing the biosynthesis of galactoglucan: genetic organization and properties of the encoded gene products. J. Bacteriol. 179, 1375-1384.
- Frühling M, Perlick AM, Roussel H, Gianinazzi-Pearson V, Pühler A (1997). The Vicia faba leghomoglobin gene VfLb29 is induced in root nodules and in roots colonized by the arbuscular mycorrhizal fungus Glomus fasciculatum. MPMI 10, 124-131.
- Niehaus K, Lagares A, Pühler A (1998). A Sinorhizobium meliloti lipopolysaccharide mutant induces effective nodules on the host plant Medicago sativa (alfalfa) but fails to establish a symbiosis with Medicago truncatula. MPMI 11, 906-914.
- Uhde C, Schmidt R, Jording D, Selbitschka W, Pühler A (1997). Stationary phase mutants of Sinorhizobium meliloti are impaired in stationary-phase survival or in recovery to logarithmic growth. J. Bacteriol. 179, 6432-6440.
- Wehmeier L, Schäfer A, Burkovski A, Krämer R, Mechold U, Malke H, Pühler A, Kalinowski J (1998). The role of the Corynebacterium glutamicum rel gene in (p)ppGpp metabolism. Microbiology 144, 1853-1862.
- Becker A, Katzen F, Pühler A, Ielpi L (1998). Xanthan gum biosynthesis and application: a biochemical-genetic perspective. Appl. Microbiol. Biotechnol. 50, 145-152.
- Becker A, Pühler A (1998). Specific amino acid substitutions in the proline-rich motif of the Rhizobium meliloti ExoP protein result in enhanced production of low-molecular-weight succinoglycan at the expense of high-molecular-weight succinoglycan. J. Bacteriol. 180, 395-399.
- Becker A, Pühler A (1998). Production of exopolysaccharides. In: Spaink HP, Kondorosi A, Hooykaas PJJ (eds.). The Rhizobiaceae. Molecular Biology of Model Plant-Associated Bacteria. Kluwer Academic Publishers, Dordrecht, The Netherlands. pp. 97-118.
- Bertram-Drogatz PA, Quester I, Becker A, Pühler A (1998). The Sinorhizobium meliloti MucR protein, which is essential for the production of high-molecular-weight succinoglycan exopolysaccharide, binds to short DNA regions upstream of exoH and exoY. Mol. Gen. Genet. 257, 433-441.
- Bertram-Drogatz PA, Rüberg S, Becker A, Pühler A (1997). The regulatory protein MucR binds to a short DNA region located upstream of the mucR coding region in Rhizobium meliloti. Mol. Gen. Genet. 254, 529-538.
- Dresing U, Hagen M, Selbitschka W, Pühler A, Keller M (1998). Reduced survival of a RecA-deficient Sinorhizobium meliloti strain in sterile and non-sterile soil during heat stress. FEMS Microbiol. Ecol. 27, 327-338.
- Dröge M, Pühler A, Selbitschka W (1998). Horizontal gene transfer as a biosafety issue: A natural phenomenon of public concern. J. Biotechnol. 64, 75-90.
- Götting C, Thierbach G, Kalinowski J, Pühler A (1998). Versatile low-copy-number plasmids for temperature-inducible overexpression of bacterial genes in Escherichia coli. Biotechniques 24, 362-366.
- Hagen M, Pühler A, Selbitschka W (1997). The persistence of bioluminescent Rhizobium meliloti strains L1 (RecA-) and L33 (RecA+) in non-sterile microcosms depends on the soil type, on the co-cultivation of the host legume alfalfa and on the presence of an indigenous R.meliloti population. Plant and Soil 188, 257-266.
- Hoffmann A, Thimm T, DrögeM, Moore ERB, Munch JC, Tebbe CC (1998). Intergeneric transfer of conjugative and mobilizable plasmids harbores by Escherichia coli in the gut of the soil microarthropod Folsomia candida (Collembola). Appl. Environm. Microbiol. 64, 2652-2659.
- Jacq C, Alt-Mörbe J, Andre B, Arnold W, Bahr A, Ballesta JPG, Bargues M, Baron L, Becker A, Biteau N, Blöcker H, Blugeon C, Boskovic J, Brandt P, Brückner M, Buitrago MJ, Coster F, Delaveau T, del Rey F, Dujon B, Eide LG, Garcia-Cantalejo JM, Goffeau A, Gomez-Peris A, Granotier C, Hanemann V, Hankeln T, Hoheisel JD, Jäger W, Jimenez A, Jonniaux JL, Krämer C, Küster H, Laamanen P, Legros Y, Louis E, Möller-Rieker S, Monnet A, Moro M, Müller-Auer S, Nußbaumer B, et al. (1997). The nucleotide sequence of Saccharomyces cerevisiae chromosome IV. Nature 387 (suppl.): 75-78.
- Jäger W, Kalinowski J, Pühler A (1997). A Corynebacterium glutamicum gene conferring multidrug resistance in the heterologous host Escherichia coli. J. Bacteriol. 179, 2449-2451.
- Katzen F, Ferreiro DU, Oddo CG, Ielmini V, Becker A, Pühler A, Ielpi L (1998). Xanthomonas campestris pv. campestris gum mutants: effects on xanthan biosynthesis and plant virulence. J. Bacteriol. 180, 1607-1617.
- Kohring B, Baier R, Niehaus K, Pühler A, Flaschel E (1997). Production of nodulation factors by Rhizobium meliloti: fermentation, purification and characterization of glycolipids. Glycoconjugate J. 14, 963-971.
- Küster H, Albus U, Frühling M, Tchetkova SA, Tikhonovitch IA, Perlick AM, Pühler A (1997). The asparagine synthetase gene VfAS1 is strongly expressed in the nitrogen-fixing zone of broad bean (Vicia faba L.) root nodules. Plant Science 124, 89-95.
- Niehaus K, Becker A (1998). The role of microbial surface polysaccharides in the Rhizobium-legume interaction. In: Biswas BB, Das HK (eds.). Subcellular Biochemistry, Vol. 29: Plant-Microbe Interactions. Plenum Press, New York, USA. pp. 73-115.
- Niemann S, Keel C, Pühler A, Selbitschka W (1997). Biocontrol strain Pseudomonas fluorescens CHAO and ist genetically modified derivative with enhanced biocontrol capability exert comparable effects on the structure of a Sinorhizobium meliloti population in gnotobiotic systems. Biol. Fertil. Soils 25, 240-244.
- Niemann S, Pühler A, Selbitschka W (1997). Growth and nodulation competitiveness of Sinorhizobium meliloti L1 (RecA-) is less than that of its isogenic strain L33 (RecA+) but comparable to that of two S. meliloti wild-type isolates. Appl. Microbiol. Biotechnol. 47, 525-529.
- Niemann S, Pühler A, Tichy HV, Simon R, Selbitschka W (1997). Evaluation of the resolving power of three different DNA fingerprinting methods to discriminate among isolates of a natural Rhizobium meliloti population. J. Appl. Microbiol. 82, 477-484.
- Peters-Wendisch PG, Kreutzer C, Kalinowski J, Pátek M, Sahm H, Eikmanns BJ (1998). Pyruvate carboxylase from Corynebacterium glutamicum: characterization, expression and inactivation of the pyc gene. Microbiology 144, 915-927.
- Schäfer A, Tauch A, Droste N, Pühler A, Kalinowski J (1997). The Corynebacterium glutamicum cglIM gene encoding a 5-cytosine methyltransferase enzyme confers a specific DNA methylation pattern in an McrBC-deficient Escherichia coli strain. Gene 203, 95-101.
- Schröder G, Frühling M, Perlick AM, Pühler A (1997). The temporal and spatial transcription pattern in root nodules of Vicia faba nodulin genes encoding glycine-rich proteins. Plant Mol. Biol. 33, 113-123.
- Selbitschka W, Keller M, Pühler A (1997). Vorbereitung eines Freilandexperiments: Konstruktion und Charakterisierung von zwei leuchtmarkierten Rhizobienstämmen, die sich in ihrer Rekombinationsfähigkeit unterscheiden. BIUZ 27, 277-285.
- Steinmann D, Köplin R, Pühler A, Niehaus K (1997). Xanthomonas campestris pv. Campestris IpsI and IpsJgenes encoding putative proteins with sequence similarity to the a- and b-subunits of 3-oxoacid CoA-transferases are involved in LPS biosynthesis. Arch. Microbiol. 168, 441-447.
- Tauch A, Hermann T, Burkovski A, Krämer R, Pühler A, Kalinowski J (1998). Isoleucine uptake in Corynebacterium glutamicum ATCC 13032 is directed by the brnQ gene product. Arch. Microbiol. 169, 303-312.
- Tauch A, Zheng Z, Pühler A, Kalinowski J (1998). Corynebacterium striatum chloramphenicol resistance transposon Tn5564: genetic organization and transposition in Corynebacterium glutamicum. Plasmid 40, 126-139.
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