نتایج جستجو برای: Viperidae
تعداد نتایج: 413 فیلتر نتایج به سال:
Despite their medical interest, the phylogeny of the snake family Viperidae remains inadequately understood. Previous studies have generally focused either on the pitvipers (Crotalinae) or on the Old World vipers (Viperinae), but there has been no comprehensive molecular study of the Viperidae as a whole, leaving the affinities of key taxa unresolved. Here, we infer the phylogenetic relationshi...
Crotalus durissus terrificus snakes possess a protein in their blood, named crotoxin inhibitor from Crotalus serum (CICS), which protects them against crotoxin, the main toxin of their venom. CICS neutralizes the lethal potency of crotoxin and inhibits its phospholipase A2 (PLA2) activity. The aim of the present study is to investigate the specificity of CICS towards snake venom neurotoxic PLA2...
Efforts to describe toxins from the two major families of venomous snakes (Viperidae and Elapidae) usually reveal proteins belonging to few structural types, particular of each family. Here we carried on an effort to determine uncommon cDNAs that represent possible new toxins from Lachesis muta (Viperidae). In addition to nine classes of typical toxins, atypical molecules never observed in the ...
Venomous snakebites are lethal and occur frequently worldwide each year, and receiving the antivenom antibody is currently the most effective treatment. However, the specific antivenom might be unavailable in remote areas. Snakebites by Viperidae usually lead to hemorrhage and mortality if untreated. In the present study, challenges of rattlesnake (Crotalus atrox) venom markedly increased the c...
On further specimens of the Pit viper Trimeresurus erythrurus (Cantor, 1839) (Squamata: Viperidae), with description a topotype and range extension to Godavari Basin, peninsular India
During male-male combat (MMC) in snakes, combatants often coil around each other. To determine whether there are differences this behavior between different snake groups, we examined video footage of 100 instances MMC 49 species from six families. Results show that Viperidae, involves smaller numbers loops than the other three clades considered here (Pythonidae+Loxocemidae, Elapidae+Pseudoxyrho...
background: green pit viper bite is an important cause of morbidity in bangladesh. the objective of this study was to investigate the characteristics and clinical presentations of green pit viper bite in bangladesh. methods: this prospective observational study was done in the department of medicine in chittagong medical college hospital, bangladesh. a total of 40 patients with history of green...
We studied the species composition of the snake community of Serra do Mendanha, in Rio de Janeiro state, Southeastern Brazil, with an effort of 800 hours/man in different habitats, including undisturbed forest, secondary forest, areas under regeneration, and banana plantation. We sampled snakes monthly in the area using a combination of methods including intensive visual searching and pitfall t...
Bites of Bitis Rhinoceros (Viperidae) usually cause a hemorrhagic syndrome in the victims. This is medical emergency. Antivenom immunotherapy remains effective. However, its availability and cost still limiting use Africa general Côte d'Ivoire particularly. The roots plant Annonaceae family (Annona senegalensis) are used to treat cases envenomations by Viperidae. objective this work study modul...
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