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Cleavage of the NH2-Terminal Octapeptide of Bothrops asper Myotoxic Lysine-49 Phospholipase A2 Reduces Its Membrane-Destabilizing Effect
(1994-08)
Bothrops asper myotoxin II was cleaved with cyanogen bromide to determine the role of NH2-terminal amino acid residues in its ability to destabilize negatively charged liposomes and to induce myonecrosis. After treatment, ...
Isolation and characterization of a myotoxic phospholipase A2 from the venom of the arboreal snake Bothriechis (Bothrops) schlegelii from Costa Rica
(1997-03)
A new myotoxic phospholipase A2was isolated from the venom of the arboreal snakeBothriechis schlegelii(formerlyBothrops schlegelii) from Costa Rica, by ion-exchange chromatography on CM-Sephadex.B. schlegeliimyotoxin I is ...
Characterization of 'basparin A,' a prothrombin-activating metalloproteinase, from the venom of the snake Bothrops asper that inhibits platelet aggregation and induces defibrination and thrombosis
(2003-10)
A prothrombin activator, named ‘basparin A,’ was isolated from the venom of the crotaline snake Bothrops asper, the species responsible for the majority of snakebite cases in Central America. It is an acidic (pI 5.4), 70 ...
Snake venomics of Lachesis muta rhombeata and genus-wide antivenomics assessment of the paraspecific immunoreactivity of two antivenoms evidence the high compositional and immunological conservation across Lachesis
(2013-08-26)
We report the proteomic analysis of the Atlantic bushmaster, Lachesis muta rhombeata, from Brazil. Along with previous characterization of the venom proteomes of L. stenophrys (Costa Rica), L. melanocephala (Costa Rica), ...
Structural characterization and phylogenetic relationships of myotoxin II from Atropoides (Bothrops) nummifer snake venom, a Lys49 phospholipase A2 homologue
(2002)
In order to analyze its structure–function relationships, the complete amino acid sequence of myotoxin II from Atropoides
(Bothrops) nummifer from Costa Rica was determined. This toxin is a Lys49-type phospholipase A2 ...
Identification of residues critical for toxicity in Clostridium perfringens phospholipase C, the key toxin in gas gangrene
(2000-08)
Clostridium perfringens phospholipase C (PLC), also called α-toxin, is the major virulence factor in the pathogenesis of gas gangrene. The toxic activities of genetically engineered α-toxin variants harboring single ...
Impact of Regional Variation in Bothrops asper Snake Venom on the Design of Antivenoms: Integrating Antivenomics and Neutralization Approaches
(2010-10-21)
Intraspecific snake venom variations have implications in the preparation of venom pools for the generation of antivenoms. The impact of such variation in the cross-reactivity of antivenoms against Bothrops asper venom was ...
Venoms of Micrurus coral snakes: evolutionary trends in compositional patterns emerging from proteomic analyses
(2016-11)
The application of proteomic tools to the study of snake venoms has led to an impressive growth in the
knowledge about their composition (venomics), immunogenicity (antivenomics), and toxicity (toxicovenomics).
About ...
Clostridium perfringens Phospholipase C, an Archetypal Bacterial Virulence Factor, induces the Formation of Extracellular Traps by Human Neutrophils
(2023)
Neutrophil extracellular traps (NETs) are networks of DNA and various microbicidal proteins, released to the extracellular space to kill invading microorganisms and prevent their dissemination. However, a NETs excess is ...
Snake venomics and antivenomics of Bothrops colombiensis, a medically important pitviper of the Bothrops atrox-asper complex endemic to Venezuela: Contributing to its taxonomy and snakebite management
(2009-03-06)
The taxonomic status of the medically important pitviper of the Bothrops atrox-asper complex endemic to Venezuela, which has been classified as Bothrops colombiensis, remains incertae cedis. To help resolving this question, ...