Monoclonal antibody against species-specific epitope of Pseudomonas aeruginosa Hsp60 protein cross-reacts with Pseudomonas stutzeri and other Pseudomonas species. 1997

E Lüneberg, and D Müller, and I Steinmetz, and M Frosch
Institut für Medizinische Mikrobiologie, Medizinische Hochschule Hannover, Germany. elueneberg@hygiene.uni-wuerzburg.de

In a previous study, we determined the epitope of the Pseudomonas aeruginosa Hsp60 heat shock protein which is recognized by the specific monoclonal antibody (MAb) 2528. Subsequent investigations revealed a weak cross-reactivity of MAb 2528 with P. stutzeri, P. alcaligenes, P. mendocina and P. pseudoalcaligenes. To elucidate the molecular structure for these cross-reactions, we cloned the P. stutzeri hsp60 gene in Escherichia coli and determined the nucleotide sequence of the gene. In addition, the hsp60 gene of further Pseudomonas species was amplified and sequenced and amino acid substitutions within the epitope recognized by MAb 2528 were determined. The decapeptide QADIEARVLQ is unique to the P. aeruginosa Hsp60 protein, and cross-reaction of MAb 2528 reflects the phylogenetic relationship of Pseudomonas species as P. aeruginosa and all four cross-reacting species constitute a DNA homology group within the rRNA group I of the family Pseudomonadaceae, which belong to the gamma-subclass of the Proteobacteria.

UI MeSH Term Description Entries
D008969 Molecular Sequence Data Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories. Sequence Data, Molecular,Molecular Sequencing Data,Data, Molecular Sequence,Data, Molecular Sequencing,Sequencing Data, Molecular
D011550 Pseudomonas aeruginosa A species of gram-negative, aerobic, rod-shaped bacteria commonly isolated from clinical specimens (wound, burn, and urinary tract infections). It is also found widely distributed in soil and water. P. aeruginosa is a major agent of nosocomial infection. Bacillus aeruginosus,Bacillus pyocyaneus,Bacterium aeruginosum,Bacterium pyocyaneum,Micrococcus pyocyaneus,Pseudomonas polycolor,Pseudomonas pyocyanea
D003001 Cloning, Molecular The insertion of recombinant DNA molecules from prokaryotic and/or eukaryotic sources into a replicating vehicle, such as a plasmid or virus vector, and the introduction of the resultant hybrid molecules into recipient cells without altering the viability of those cells. Molecular Cloning
D003429 Cross Reactions Serological reactions in which an antiserum against one antigen reacts with a non-identical but closely related antigen. Cross Reaction,Reaction, Cross,Reactions, Cross
D004269 DNA, Bacterial Deoxyribonucleic acid that makes up the genetic material of bacteria. Bacterial DNA
D000595 Amino Acid Sequence The order of amino acids as they occur in a polypeptide chain. This is referred to as the primary structure of proteins. It is of fundamental importance in determining PROTEIN CONFORMATION. Protein Structure, Primary,Amino Acid Sequences,Sequence, Amino Acid,Sequences, Amino Acid,Primary Protein Structure,Primary Protein Structures,Protein Structures, Primary,Structure, Primary Protein,Structures, Primary Protein
D000911 Antibodies, Monoclonal Antibodies produced by a single clone of cells. Monoclonal Antibodies,Monoclonal Antibody,Antibody, Monoclonal
D000918 Antibody Specificity The property of antibodies which enables them to react with some ANTIGENIC DETERMINANTS and not with others. Specificity is dependent on chemical composition, physical forces, and molecular structure at the binding site. Antibody Specificities,Specificities, Antibody,Specificity, Antibody
D000939 Epitopes Sites on an antigen that interact with specific antibodies. Antigenic Determinant,Antigenic Determinants,Antigenic Specificity,Epitope,Determinant, Antigenic,Determinants, Antigenic,Specificity, Antigenic
D001426 Bacterial Proteins Proteins found in any species of bacterium. Bacterial Gene Products,Bacterial Gene Proteins,Gene Products, Bacterial,Bacterial Gene Product,Bacterial Gene Protein,Bacterial Protein,Gene Product, Bacterial,Gene Protein, Bacterial,Gene Proteins, Bacterial,Protein, Bacterial,Proteins, Bacterial

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