Comparative analysis of the venom proteomes of Vipera ammodytes ammodytes and Vipera ammodytes meridionalis. 2008

Dessislava Georgieva, and Michaela Risch, and Anna Kardas, and Friedrich Buck, and Martin von Bergen, and Christian Betzel
Institute of Biochemistry and Molecular Biology, University of Hamburg, Martin-Luther-King Platz 6, 20146 Hamburg, Germany.

The venom proteomics of Vipera ammodytes ammodytes and Vipera ammodytes meridionalis, snakes of public health significance and the most poisonous reptiles in Europe, were analyzed by FPLC, 2-D electrophoresis, sequence analysis, and MS/MS. FPLC analysis showed the presence of l-amino acid oxidase, monomeric and heterodimeric phospholipases A2, C-type lectin protein, and proteinases in the venom of V. a. ammodytes. Representatives of the same protein families were found in the venom of the other subspecies, V. a. meridionalis. N-terminally identical PLA2 neurotoxins were identified in both venoms. Difference in the PLA2 compositions of the venoms was also observed: a monomeric protein with phospholipase A2 activity, identical in the first 20 amino acid residues to the catalitically inactive acidic component of the heterodimeric PLA2 present in both venoms, was found only in that of V. a. meridionalis. Probably, this protein represents an intermediate form of the two components of the heterodimer. 2-D electrophoresis and MS/MS analysis showed that the two venoms shared a number of protein families: monomeric and heterodimeric Group II PLA2s, serine proteinases, Group I, II, and III metalloproteinases, l-amino acid oxidases (LAAOs), cysteine-rich secretory proteins, disintegrins, and growth factors. Totally, 38 venom components of the V. a. ammodytes, belonging to 9 protein families, and 67 components of the V. a. meridionalis venom belonging to 8 protein families were identified. The venom proteome of V. a. ammodytes shows larger diversity of proteins (139) in comparison to that of V. a. meridionalis (104 proteins). Most of the proteins are homologues of known representatives of the respective protein families. The protein compositions explain clinical effects of the V. ammodytes snakebites, such as difficulties in the breathing, paralysis, apoptosis, cloting disorders, hemorrhage, and tissue necrosis. The lists of secreted proteins by the two vipers can be used for further study of structure-function relationships in the toxins and for prediction and treatment of snakebite consequences.

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
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
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D014757 Viper Venoms Venoms from SNAKES of the viperid family. They tend to be less toxic than elapid or hydrophid venoms and act mainly on the vascular system, interfering with coagulation and capillary membrane integrity and are highly cytotoxic. They contain large amounts of several enzymes, other factors, and some toxins. Russell Viper Venom,Russell Viper Venoms,Russell's Viper Venom,Russell's Viper Venoms,Viperidae Venoms,Cerastes Venom,Cerastes Venoms,Egyptian Sand Viper Venom,Viper Venom,Viperotoxin,Russells Viper Venom,Russells Viper Venoms,Venom, Cerastes,Venom, Russell Viper,Venom, Russell's Viper,Venom, Viper,Venoms, Cerastes,Venoms, Russell Viper,Venoms, Russell's Viper,Venoms, Viper,Venoms, Viperidae,Viper Venom, Russell,Viper Venom, Russell's,Viper Venoms, Russell,Viper Venoms, Russell's
D015180 Electrophoresis, Gel, Two-Dimensional Electrophoresis in which a second perpendicular electrophoretic transport is performed on the separate components resulting from the first electrophoresis. This technique is usually performed on polyacrylamide gels. Gel Electrophoresis, Two-Dimensional,Polyacrylamide Gel Electrophoresis, Two-Dimensional,2-D Gel Electrophoresis,2-D Polyacrylamide Gel Electrophoresis,2D Gel Electrophoresis,2D PAGE,2D Polyacrylamide Gel Electrophoresis,Electrophoresis, Gel, 2-D,Electrophoresis, Gel, 2D,Electrophoresis, Gel, Two Dimensional,Polyacrylamide Gel Electrophoresis, 2-D,Polyacrylamide Gel Electrophoresis, 2D,Two Dimensional Gel Electrophoresis,2 D Gel Electrophoresis,2 D Polyacrylamide Gel Electrophoresis,Electrophoresis, 2-D Gel,Electrophoresis, 2D Gel,Electrophoresis, Two-Dimensional Gel,Gel Electrophoresis, 2-D,Gel Electrophoresis, 2D,Gel Electrophoresis, Two Dimensional,PAGE, 2D,Polyacrylamide Gel Electrophoresis, 2 D,Polyacrylamide Gel Electrophoresis, Two Dimensional,Two-Dimensional Gel Electrophoresis
D017386 Sequence Homology, Amino Acid The degree of similarity between sequences of amino acids. This information is useful for the analyzing genetic relatedness of proteins and species. Homologous Sequences, Amino Acid,Amino Acid Sequence Homology,Homologs, Amino Acid Sequence,Homologs, Protein Sequence,Homology, Protein Sequence,Protein Sequence Homologs,Protein Sequence Homology,Sequence Homology, Protein,Homolog, Protein Sequence,Homologies, Protein Sequence,Protein Sequence Homolog,Protein Sequence Homologies,Sequence Homolog, Protein,Sequence Homologies, Protein,Sequence Homologs, Protein
D017819 Viperidae A family of snakes comprising four subfamilies: Azemiopinae (the mountain viper, the sole member of this subfamily), Viperinae (true vipers), Crotalinae (pit vipers) and Causinae. They are widespread throughout the world, being found in the United States, Central and South America, Europe, Asia and Africa. Their venoms act on the blood (hemotoxic) as compared to the venom of elapids which act on the nervous system (neurotoxic). (Goin, Goin, and Zug, Introduction to Herpetology, 3d ed, pp333-36) Asp,Bushmaster,European Viper,Azemiopinae,European Adder,Adder, European,Asps,Bushmasters,European Adders,European Vipers,Viper, European
D020543 Proteome The protein complement of an organism coded for by its genome. Proteomes
D021241 Spectrometry, Mass, Electrospray Ionization A mass spectrometry technique used for analysis of nonvolatile compounds such as proteins and macromolecules. The technique involves preparing electrically charged droplets from analyte molecules dissolved in solvent. The electrically charged droplets enter a vacuum chamber where the solvent is evaporated. Evaporation of solvent reduces the droplet size, thereby increasing the coulombic repulsion within the droplet. As the charged droplets get smaller, the excess charge within them causes them to disintegrate and release analyte molecules. The volatilized analyte molecules are then analyzed by mass spectrometry. ESI Mass Spectrometry,Electrospray Ionization Mass Spectrometry,Mass Spectrometry, ESI,Spectrometry, ESI Mass

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