Enterobacter radicincitans sp. nov., a plant growth promoting species of the family Enterobacteriaceae
Kämpfer P, Ruppel S, Remus R. 2005. Enterobacter radicincitans sp. nov., a plant growth promoting species of the family Enterobacteriaceae. Syst. Appl. Microbiol. 28:213-221.
Colonization behaviour of two enterobacterial strains on cereals
Remus R, Ruppel S, Jacob HJ, Hecht-Buchholz C, Merbach W. 2000. Colonization behaviour of two enterobacterial strains on cereals. Biol. Fertil. Soils 30:550-557.
Effects of different nitrogen sources on nitrogen fixation and bacterial growth of Pantoea agglomerans and Azospirillum sp. in bacterial pure culture: an investigation using N-15(2) incorporation and acetylene reduction measures
Ruppel S, Merbach W. 1995. Effects of different nitrogen sources on nitrogen fixation and bacterial growth of Pantoea agglomerans and Azospirillum sp. in bacterial pure culture: an investigation using N-15(2) incorporation and acetylene reduction measures. Microbiol. Res. 150:409-418.
Quantification and localization of bacteria in plant tissues using quantitative real-time PCR and online emission fingerprinting
Ruppel S, Rühlmann J, Merbach W. 2006. Quantification and localization of bacteria in plant tissues using quantitative real-time PCR and online emission fingerprinting. Plant Soil 286:21-35.
Nitrogenase activities and phytohormone activities of Pantoea agglomerans in culture and their reflection in combination with wheat plants
Scholz-Seidel C, Ruppel S. 1992. Nitrogenase activities and phytohormone activities of Pantoea agglomerans in culture and their reflection in combination with wheat plants. Zentralbl. Mikrobiol. 147:319-328.