Results 51 to 60 of about 2,629 (205)
Phospholipase D toxins of brown spider venom convert lysophosphatidylcholine and sphingomyelin to cyclic phosphates. [PDF]
Venoms of brown spiders in the genus Loxosceles contain phospholipase D enzyme toxins that can cause severe dermonecrosis and even death in humans.
Daniel M Lajoie+5 more
doaj +1 more source
Venoms are complex mixtures of biologically active molecules that impact multiple physiological systems. Manufacture of antivenoms (AVs) therefore requires potency testing using in vivo models to ensure AV efficacy. As part of ongoing research to replace
Erin E. Verity+4 more
doaj +1 more source
Molecular Spiders with Memory [PDF]
Synthetic bio-molecular spiders with "legs" made of single-stranded segments of DNA can move on a surface which is also covered by single-stranded segments of DNA complementary to the leg DNA. In experimental realizations, when a leg detaches from a segment of the surface for the first time it alters that segment, and legs subsequently bound to these ...
arxiv +1 more source
Gene and Genome Duplication in Spiders
In chelicerates whole genome duplications (WGDs) were identified in distinct groups. While there is evidence that Xiphosurans/horseshoe crabs had three rounds of WGD and arachnopulmonates (e.g. spiders and scorpions) had one WGD, in many other arachnid groups no WGD was identified.
Chetan Munegowda+3 more
wiley +1 more source
Venom-gland transcriptomics and venom proteomics of the Tibellus oblongus spider
AbstractThe Tibellus oblongus spider is an active hunter that does not spin webs and remains highly underinvestigated in terms of the venom composition. Here, we describe venom glands transcriptome and venom proteome analysis for unveiling the polypeptide composition of Tibellus oblongus spider venom.
Yuliya Korolkova+7 more
openaire +3 more sources
Poisonous Spiders: Bites, Symptoms, and Treatment; an Educational Re-view
More than 40,000 species of spiders have been identified in the world. Spider bites is a common problem among people, however few of them are harmful but delay in treatment can cause death.
Farzad Rahmani+5 more
doaj +1 more source
Sparse Image Reconstruction for the SPIDER Optical Interferometric Telescope [PDF]
The concept of a recently proposed small-scale interferometric optical imaging device, an instrument known as the Segmented Planar Imaging Detector for Electro-optical Reconnaissance (SPIDER), is of great interest for its possible applications in astronomy and space science.
arxiv +1 more source
The addition of 10 μg cm−2 of Cry1Ac to the surface of GS‐omega/kappa‐Hxtx‐Hv1a (ω/κ‐Hv1a) incorporated diet can significantly increase the mortality of Cry‐resistant Helicoverpa zea compared to diets without the Cry1Ac toxin. Abstract BACKGROUND Helicoverpa zea and Spodoptera frugiperda are destructive insect pests of cotton and corn.
Simeon Ross+8 more
wiley +1 more source
Can we resolve the taxonomic bias in spider venom research?
The rate of discovery of new spider species greatly exceeds the rate of spider venom characterisation, leading to an increasing number of species with unstudied venoms.
Volker Herzig+2 more
doaj
Initiative Defense against Facial Manipulation [PDF]
Benefiting from the development of generative adversarial networks (GAN), facial manipulation has achieved significant progress in both academia and industry recently. It inspires an increasing number of entertainment applications but also incurs severe threats to individual privacy and even political security meanwhile.
arxiv