Sex-linked variation of Loxosceles intermedia spider venoms.
Toxicon
; 37(1): 217-21, 1999 Jan.
Article
em En
| MEDLINE
| ID: mdl-9920493
In order to investigate intraspecific differences in Loxosceles intermedia spider venom we compared some biological properties of male and female venoms. Females produced higher amounts of venom than males. Furthermore, female venom presented more potent dermonecrotic and complement-dependent activities than male venom. Interestingly, the F35 toxin, a dermonecrotic and complement-dependent haemolytic factor, was also present in greater amounts in female venom, as demonstrated by ELISA. Therefore, the higher production and increased toxicity of venom in female specimens as compared to males may contribute to the variability observed in the severity of envenoming caused by L. intermedia spiders.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Venenos de Aranha
/
Aranhas
Limite:
Animals
Idioma:
En
Revista:
Toxicon
Ano de publicação:
1999
Tipo de documento:
Article
País de afiliação:
Brasil
País de publicação:
Reino Unido