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FEBS Letters|July 8, 1996
The secG deletion mutation of Escherichia coli is suppressed by expression of a novel regulatory gene of Bacillus subtilisV P Kontinen, I M Helander, H TokudaAnalytical Biochemistry|July 1, 1987
Analysis of polyamines as their dabsyl derivatives by reversed-phase high-performance liquid chromatographyP Koski, I M Helander, M Sarvas, et al.FEMS Microbiology Letters|January 1, 1993
Conformation of Escherichia coli outer membrane protein OmpA produced in Bacillus subtilis: influence of lipopolysaccharideR Puohiniemi, A Muotiala, I M Helander, et al.European Journal of Biochemistry|March 1, 1993
Defective biosynthesis of the lipid A component of temperature-sensitive firA (omsA) mutant of Escherichia coliI M Helander, B Lindner, U Seydel, et al.Molecular Microbiology|October 1, 1992
Separation of two lipopolysaccharide populations with different contents of O-antigen factor 122 in Salmonella enterica serovar typhimuriumI M Helander, A P Moran, P H MäkeläJournal of Bacteriology|February 1, 1992
Compositional analysis of Helicobacter pylori rough-form lipopolysaccharidesA P Moran, I M Helander, T U KosunenEuropean Journal of Biochemistry|March 15, 1992
Preferential synthesis of heptaacyl lipopolysaccharide by the ssc permeability mutant of Salmonella typhimuriumI M Helander, L Hirvas, J Tuominen, et al.Microbial Pathogenesis|December 1, 1989
Membrane proteins of Francisella tularensis LVS differ in ability to induce proliferation of lymphocytes from tularemia-vaccinated individualsH M Surcel, M Sarvas, I M Helander, et al.Scandinavian Journal of Immunology|March 1, 1994
Alkali-treated LPS of Yersinia enterocolitica does not induce expression of E-selectin, ICAM-1 or VCAM-1 on endothelial cells but may mediate antibody- and complement-dependent cell injuryH Repo, R Renkonen, I M Helander, et al.Journal of Bacteriology|May 1, 1992
Separation and characterization of two chemically distinct lipopolysaccharides in two Pectinatus speciesI M Helander, R Hurme, A Haikara, et al.Pageof 4