• Phoneutria nigriventer toxin-3 is more commonly referred to as PhTx3. The PhTx3 neurotoxin is a broad-spectrum calcium channel blocker that inhibits glutamate...
    5 KB (605 words) - 05:54, 12 October 2023
  • Thumbnail for Phoneutria nigriventer
    Phoneutria nigriventer is a species of medically-significant spider in the family Ctenidae, found in the Southern Cone of South America (Brazil, Uruguay...
    15 KB (1,619 words) - 17:56, 20 November 2024
  • Thumbnail for Phoneutria
    only 7 of 135 spiders were Phoneutria species, six being Phoneutria boliviensis from bananas and one Phoneutria nigriventer from a shipment of electrical...
    29 KB (3,396 words) - 09:28, 2 January 2025
  • U7-ctenitoxin-Pn1a (category Ion channel toxins)
    found in the venom of Phoneutria nigriventer. The proposed name for the toxin is U7-ctenitoxin-Pn1a. Here, ‘ctenitoxin’ refers to toxins found in the venom...
    9 KB (1,126 words) - 00:46, 23 December 2024
  • shown that it contains neurotoxins similar to those isolated from Phoneutria nigriventer and that are active on the neuronal ion (Ca2+, Na+ and K+) channels...
    3 KB (275 words) - 20:37, 26 February 2022
  • show sequence similarities to the neurotoxin TxI isolated from Phoneutria nigriventer, an aggressive Brazilian spider. These similarities concern the...
    6 KB (753 words) - 00:46, 23 December 2024
  • Thumbnail for Animal attacks in Latin America
    Brazil, between 2007 and 2010, 18 deaths from Phoneutria nigriventer were registered, only in Brazil, Phoneutria fera is restricted to the Amazon and does...
    94 KB (11,078 words) - 21:15, 16 December 2024
  • Guatimosim, Cristina; Prado, Marco A. M. (2002). "Phoneutria nigriventer Venom: A Cocktail of Toxins That Affect Ion Channels". Cellular and Molecular...
    30 KB (3,061 words) - 14:56, 16 August 2024
  • Tx2-6 (category Spider toxins)
    Tx2-6 is a toxin found in the venom of the Brazilian wandering spider, Phoneutria nigriventer (Keyserling). It is a peptide of 48 residues, molecular weight...
    2 KB (244 words) - 05:49, 26 October 2024
  • Phα1β (category Ion channel toxins)
    channel. The peptide is derived from the venom of the armed spider Phoneutria nigriventer and possesses wide-ranging analgesic and anti-nociceptive effects...
    24 KB (2,079 words) - 00:36, 23 December 2024
  • U24-ctenitoxin-Pn1a (category Ion channel toxins)
    U24-ctenitoxin-Pn1a refers to toxins found in the venom of spiders from the Ctenidae family. ‘Pn’ is an acronym for Phoneutria nigriventer referring to the genus...
    5 KB (607 words) - 23:07, 12 August 2024
  • bites are exceedingly rare (e.g. not one in Australia since 1979). Phoneutria nigriventer, the Brazilian wandering spider (a ctenid spider) is a large brown...
    42 KB (4,904 words) - 08:02, 22 November 2024
  • Thumbnail for Human uses of arthropods
    "Penile erection induced in vivo by a purified toxin from the Brazilian spider Phoneutria nigriventer". British Journal of Urology International. 102...
    25 KB (2,493 words) - 07:40, 24 October 2024
  • Thumbnail for Chelicerata
    "Penile erection induced in vivo by a purified toxin from the Brazilian spider Phoneutria nigriventer", British Journal of Urology International, 102...
    84 KB (8,305 words) - 08:55, 31 December 2024