Results 61 to 70 of about 8,168 (216)

Ação de venenos de serpentes brasileiras sôbre a alexina ou complemento

open access: yesMemorias do Instituto Oswaldo Cruz, 1947
O autor estudou a ação inativante, sôbre o complemento de cobaia, alguns venenos de serpentes brasileiras pertencentes às famílias dos Elapideos e Crotalideos.
F. da Rocha Lagôa
doaj   +1 more source

Genetic relationships among species of the genus Bothrops based on RAPD markers

open access: yesBrazilian Archives of Biology and Technology, 2005
The genetic relationships among 11 species of Bothrops found in Brazil were determined using random amplified fragment (RAPD) information. A total of 239 amplified bands were scored using 20 aleatory primers.
Felipe Grazziotin, Sergio Echeverrigaray
doaj   +1 more source

Allopurinol attenuates acute kidney injury following Bothrops jararaca envenomation. [PDF]

open access: yesPLoS Negl Trop Dis, 2017
Snakebites have been recognized as a neglected public health problem in several tropical and subtropical countries. Bothrops snakebites frequently complicate with acute kidney injury (AKI) with relevant morbidity and mortality.
Gois PHF   +9 more
europepmc   +2 more sources

A sensory ecology approach to understanding snakebites: Influence of sensory cues on the strike of the lancehead pitviper

open access: yesJournal of Zoology, EarlyView.
Snakes are notable for having a broad range of predators and one of the most diverse repertoires of defensive behaviors. During heightened responses to aversive stimuli, one of the behaviors displayed is the venomous bite, particularly relevant because it triggers snakebite incidents in humans.
J. M. Alves‐Nunes   +3 more
wiley   +1 more source

Complete Mitochondrial Genome of Ovophis makazayazaya (Viperidae, Crotalinae) and Phylogenetic Analysis

open access: yesEcology and Evolution, Volume 16, Issue 6, June 2026.
This study sequenced and annotated the complete 17,230 bp mitochondrial genome of Ovophis makazayazaya, which contains 13 protein‐coding genes (PCGs), 2 rRNAs, 22 tRNAs, and a D‐loop region, with a significant AT bias (57.2%). Phylogenetic analyses confirmed its placement within Crotalinae, and all PCGs showed evidence of purifying selection (Ka/Ks < 1)
Yuheng Jiang, Yuhao Nie, Zhiqiang Ge
wiley   +1 more source

Estudo clínico-epidemiológico dos acidentes botrópicos atendidos no HU/UFSC em 2005 e 2006. [PDF]

open access: yes, 2007
Trabalho de Conclusão de Curso - Universidade Federal de Santa Catarina. Curso de Medicina.
Rohr, Jaqueline Flores
core  

Generalist With a Narrow Niche Breadth: Feeding Ecology and Seed Germination Effectiveness of a Large Canid Within a Silvicultural Matrix

open access: yesAustral Ecology, Volume 51, Issue 6, June 2026.
Diet: The generalist canid exhibits a narrow niche breadth (0.12), consuming native plants (100% frequency) and animals (85%). Birds dominate animal prey (74%), peaking in the dry season, while Solanaceae plants dominate plant food (100%), peaking in the rainy season.
Aline Carneiro Veloso   +4 more
wiley   +1 more source

Análise do dano oxidativo e monitoramento do status antioxidante de pacientes de acidente botrópico [PDF]

open access: yes, 2012
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências da Saúde, Programa de Pós-graduação em Farmácia, Florianópolis, 2011Atualmente ocorrem aproximadamente 22000 acidentes ofídicos por ano no Brasil, sendo no estado de ...
Strapazzon, Juliana de Ornellas
core  

Seminal evaluation of Bothrops jararaca from the state of São Paulo

open access: yes, 2021
O sucesso reprodutivo em animais de cativeiro por meio da eficiência de biotecnologias aplicadas é essencial nos programas de conservação. Assim, a coleta e a avaliação do sêmen são os principais passos para qualquer programa de reprodução assistida ...
Mota, Diego Elias Pimenta
core   +1 more source

Loss of Striatal Bradykinin B2 Receptor Alters Anxiety and Motivational Behaviors in Male Mice

open access: yesThe FASEB Journal, Volume 40, Issue 10, 31 May 2026.
Impaired signaling of the bradykinin B2 receptor (B2R) in dorsal striatal neurons decreases anxiety‐like behavior and sucrose preference while enhancing voluntary running in mice. These results reveal a novel role for B2R in dopaminergic circuits that modulate motivation and emotional behavior.
Mariana Rosolen Tavares   +5 more
wiley   +1 more source

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