Brown Spiders
Mostrando 1-8 de 8 artigos, teses e dissertações.
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1. Highlights in the knowledge of brown spider toxins
Abstract Brown spiders are venomous arthropods that use their venom for predation and defense. In humans, bites of these animals provoke injuries including dermonecrosis with gravitational spread of lesions, hematological abnormalities and impaired renal function. The signs and symptoms observed following a brown spider bite are called loxoscelism. Brown spi
J. Venom. Anim. Toxins incl. Trop. Dis. Publicado em: 16/03/2017
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2. First report of brown widow spider sightings in Peninsular Malaysia and notes on its global distribution
Abstract Background: The brown widow spider (
Latrodectus geometricus Koch, 1841) has colonised many parts of the world from its continent of origin, Africa. By at least 1841, the species had successfully established populations in South America and has more recently expanded its range to the southern stateJ. Venom. Anim. Toxins incl. Trop. Dis. Publicado em: 11/08/2015
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3. Análise do transcriptoma da glândula produtora de veneno de Loxosceles intermedia (aranhamarrom): perfil de expressão e identificação de novas toxinas. / Effects of metalloproteinas from Brotrops leucurus venon and brown spiders venoms on endothelial cell and components of extracellular matrix.
Loxosceles genus spiders are responsible for accidents all over the world and have clinical importance in the South of Brazil. The venom of these spiders is made up of several toxins, including proteins, which are responsible for the clinical pattern called loxoscelism. To describe the transcriptional profile of the L. intermedia venom gland, we generated a
Publicado em: 2010
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4. Necrotic skin lesion in a dog attributed to Loxosceles (brown spider) bite: a case report
Envenomations caused by Loxosceles (brown spider) have been reported throughout the world. Clinical signs associated to bites of these spiders involve dermonecrotic lesions and intense local inflammatory response, besides systemic manifestations such as intravascular hemolysis, thrombocytopenia, disseminated intravascular coagulation and acute renal failure.
Journal of Venomous Animals and Toxins including Tropical Diseases. Publicado em: 2009
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5. Evaluation of the efficacy of vacuum cleaners for the integrated control of brown spider Loxosceles intermedia
Some venomous spiders of the genus Loxosceles can reach high population densities inside and around houses. In Brazil, most spider accidents are related to Loxosceles intermedia. Control of loxoscelism should utilize integrated pest management tools, such as vacuum cleaners, to eliminate egg sacs, webs and spiders. The present study tested the efficacy of on
Journal of Venomous Animals and Toxins including Tropical Diseases. Publicado em: 2007
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6. Contribuição ao estudo da ação in vitro do veneno da aranha marrom, Loxosceles gaucho, sobre plaquetas humanas e de coelho. Participação das plaquetas na dermonecrose induzida experimentalmente pelo veneno loxoscélico em coelhos / Contribution to the study of the in vitro action induced by the venom of the brown spider, Loxosceles gaucho, on human and rabbit platelets. Platelet participation in the dermonecrotic lesion experimentally induced in rabbits by the loxoscelic venom
Venoms from Loxosceles spiders exhibit a wide range of activities on different cells, tissues and systems, being specially evident their ability to cause a dermonecrotic lesion. In a previous paper, we showed that Loxosceles gaucho spider venom induces intense thrombocytopenia in rabbits. Thus, in the present study, we firstly aimed to evaluate the in vitro
Publicado em: 2007
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7. Tropical House Gecko (Hemidactylus mabouia) predation on brown spiders (Loxosceles intermedia)
Brown spiders (Loxosceles spp.) are venomous arachnids, successfully adapted to urban habitats in Brazil. Loxoscelism became a serious public health problem in Paraná State, especially at the capital Curitiba, where the most abundant species is Loxosceles intermedia. Hemidactylus mabouia (Gekkonidae) lizards are synanthropic predators of arthropods. In this
Journal of Venomous Animals and Toxins including Tropical Diseases. Publicado em: 2004
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8. Subadult experience influences adult mate choice in an arthropod: Exposed female wolf spiders prefer males of a familiar phenotype
Current sexual selection theory proposes several potential mechanisms driving the evolution of female mating preferences, few of which involve social interactions. Although vertebrate examples of socially influenced mating preferences do exist, the invertebrate examples are virtually nonexistent. Here I demonstrate that the mating preferences of female wolf
National Academy of Sciences.