Results 11 to 20 of about 1,015 (165)

Structure of the polypeptide crotamine from the Brazilian rattlesnake Crotalus durissus terrificus. [PDF]

Acta Crystallogr D Biol Crystallogr, 2013
The crystal structure of the myotoxic, cell-penetrating, basic polypeptide crotamine isolated from the venom ofCrotalus durissus terrificushas been determined by single-wavelength anomalous dispersion techniques and refined at 1.7 Å resolution. The structure reveals distinct cationic and hydrophobic surface regions that are located on opposite sides of
Coronado MA, Gabdulkhakov A, Georgieva D, Sankaran B, Murakami MT, Arni RK, Betzel C.   +6 more
europepmc   +6 more sources

The Evolutionary Implications of Hemipenial Morphology of Rattlesnake Crotalus durissus terrificus (Laurent, 1768) (Serpentes: Viperidae: Crotalinae). [PDF]

PLoS ONE, 2013
Most amniotes vertebrates have an intromittent organ to deliver semen. The reptile Sphenodon and most birds lost the ancestral penis and developed a cloaca-cloaca mating.
Marcovan Porto, Marco Antonio de Oliveira, Lorenzo Pissinatti, Renata Lopes Rodrigues, Julio Alejandro Rojas-Moscoso, José Carlos Cogo, Konradin Metze, Edson Antunes, César Nahoum, Fabíola Z Mónica, Gilberto De Nucci   +10 more
doaj   +2 more sources

Crotalus durissus terrificus crotapotin naturally displays preferred positions for amino acid substitutions [PDF]

Journal of Venomous Animals and Toxins including Tropical Diseases, 2017
Background Classically, Crotalus durissus terrificus (Cdt) venom can be described, according to chromatographic criteria, as a simple venom, composed of four major toxins, namely: gyroxin, crotamine, crotoxin and convulxin.
Laudicéia Alves de Oliveira, Rui Seabra Ferreira, Benedito Barraviera, Francilene Capel Tavares de Carvalho, Luciana Curtolo de Barros, Lucilene Delazari dos Santos, Daniel Carvalho Pimenta   +6 more
doaj   +2 more sources

Comparison of wildlife and captivity rattlesnakes (Crotalus durissus terrificus) microbiota Comparação da microbiota de cascavéis (Crotalus durissus terrificus) de vida-livre e cativeiro [PDF]

Pesquisa Veterinária Brasileira, 2009
The study evaluated and compared the aerobic microbiota from the oral cavity, cloaca and venom of Crotalus durissus terrificus snakes, recently caught from the wild and kept under quarantine (WQ), individual captivity (IC) and collective captivity (CC ...
Rui S. Ferreira Junior, Amanda K. Siqueira, Michelle V. Campagner, Tatiana Salerno, Taíssa C.S. Soares, Simone B. Lucheis, Antonio C. Paes, Benedito Barraviera   +7 more
doaj   +5 more sources

Rabdomióilise secundária a acidente ofídico crotálico (Crotalus durissus terrificus) [PDF]

Revista do Instituto de Medicina Tropical de São Paulo, 1986
Relatam-se dois casos de rabdomiólise secundária a envenenamento produzido por Crotalus durissus terrificus. O diagnóstico da rabdomiólise baseou-se na mialgia intensa e generalizada apresentada pelos pacientes e na constatação de níveis séricos elevados
Renato Almeida Magalhães, Maria Mônica Freitas Ribeiro, Nilton Alves de Rezende, Carlos Faria Santos Amaral   +3 more
doaj   +2 more sources

Allopurinol reduces the lethality associated with acute renal failure induced by Crotalus durissus terrificus snake venom: comparison with probenecid. [PDF]

PLoS Neglected Tropical Diseases, 2011
BACKGROUND: Acute renal failure is one of the most serious complications of envenoming resulting from Crotalus durissus terrificus bites. This study evaluated the relevance of hyperuricemia and oxidative stress and the effects of allopurinol and ...
Rodrigo Frezzatti, Paulo Flavio Silveira
doaj   +2 more sources

Partial characterization of the venom of the Peruvian rattlesnake Crotalus durissus terrificus

Revista Peruana de Biología, 2014
The venom of the rattlesnake Crotalus durissus terrificus from the region of Sandia, Puno, has been investigated for its protein content and some enzymatic activities, using for it the whole venom as well as the fractions obtained by gel filtration ...
César Remuzgo, Myriam Paola Alvarez, Fanny Lazo, Armando Yarlenqué   +3 more
doaj   +3 more sources

In vivo and in vitro prospection of the anti-ophidic properties exercised by the extracts of Jacaranda decurrens L.

Acta Scientiarum: Biological Sciences, 2021
The research and development of alternative treatments for snakebites (e.g., medicinal plants) is necessary due to the high costs of the existing ones.
Marcus Vinícius Cardoso Trento, Mateus Santos Carapiá, Pedro Henrique Souza César, Mariana Aparecida Braga, Andreimar Martins Soares, Silvana Marcussi   +5 more
doaj   +1 more source

Peptidase activities in Crotalus durissus terrificus semen [PDF]

Reproduction, 2008
Abstract To understand the role of peptidases in seminal physiology of Crotalus durissus terrificus, activity levels of representative enzymes in semen and their sensitivities to inhibitors, cofactors, and peptide hormones were evaluated.
Camila Eduardo, Marinho, Selma Maria, Almeida-Santos, Sylvia Mendes, Carneiro, Simone Cristina, Yamasaki, Paulo Flavio, Silveira   +4 more
openaire   +2 more sources

The origin of the diversity of crotoxin isoforms in the venom of Crotalus durissus terrificus [PDF]

European Journal of Biochemistry, 1994
Crotoxin, the main toxin from the venom of the South American rattlesnake Crotalus durissus terrificus, is a β‐neurotoxin which consists of the non‐covalent association of two subunits: a phospholipase A2 subunit B (CB), and a non‐enzymic subunit A (CA).
G, Faure, V, Choumet, C, Bouchier, L, Camoin, J L, Guillaume, B, Monegier, M, Vuilhorgne, C, Bon   +7 more
openaire   +2 more sources