Results 141 to 150 of about 8,079 (183)

De novo genome assembly of Vipera ammodytes ammodytes reveals venom gene expansion and ecological adaptations

open access: yes
Laustsen A   +9 more
europepmc   +1 more source
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Hydrolysis of peptides by Crotalidae and Viperidae venoms

Toxicon, 1968
Abstract Peptidase activities of nine Viperidae and thirteen Crotalidae venoms were investigated using twenty-nine dipeptides, six tripeptides, and one tetrapeptide. Only five peptides were not hydrolyzed by any of the snake venoms investigated. Relatively few differences in substrate specificities were found for snake venoms regardless of species ...
Anthony T. Tu, Paul M. Toom
openaire   +3 more sources

Viperidae Envenomation in India [PDF]

open access: possible, 2014
The estimated incidence of venomous snakebites in India is around 300,000 annually and the overall mortality is between 30,000 and 50,000. The majority of this is due to Viperidae envenomation. There is a lack of consensus regarding the management protocol. The symptoms, signs, diagnosis, and management of Viperidae envenomation are discussed.
openaire   +1 more source

Phylogeny of the vipers of the Caucasus (Reptilia, Viperidae)

Zoologica Scripta, 1994
Phylogenetic relationships for five taxa of Palearctic vipers (genus Vipera) from the Caucasian region were revealed by cladistic analyses of separate and combined morphological and biochemical characters. The different data sets yielded largely congruent cladograms. Vipera berus from Sweden was included as an ingroup and V. aspis was used for outgroup
Göran Nilson   +4 more
openaire   +2 more sources

Venom of Viperidae: A Perspective of its Antibacterial and Antitumor Potential

Current Drug Targets, 2022
: The emergence of multi-drug resistant bacteria and limitations on cancer treatment represent two important challenges in modern medicine. Biological compounds have been explored with a particular focus on venoms. Although they can be lethal or cause considerable damage to humans, venom is also a source rich in components with high therapeutic ...
André Teodoro   +3 more
openaire   +3 more sources

Mitochondrial genome ofProtobothrops mangshanensis(Squamata: Viperidae: Crotalinae) [PDF]

open access: possibleMitochondrial DNA, 2013
Protobothrops maolanensis was recently described from Guizhou, southwestern China. In this study, the complete mitochondrial genome of P. maolanensis had been determined. The circle genome with the 17,231 bp total length contained 13 protein-coding genes, 22 transfer RNA genes, 2 ribosomal RNA genes and 2 control regions.
Baowei Zhang   +3 more
openaire   +5 more sources

Bayesian mixed models and the phylogeny of pitvipers (Viperidae: Serpentes)

Molecular Phylogenetics and Evolution, 2006
The subfamily Crotalinae (pitvipers) contains over 190 species of venomous snakes distributed in both the Old and New World. We incorporated an extensive sampling of taxa (including 28 of 29 genera), and sequences of four mitochondrial gene fragments (2.3kb) per individual, to estimate the phylogeny of pitvipers based on maximum parsimony and Bayesian ...
Castoe, Todd A.   +1 more
openaire   +4 more sources

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