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Abstract. Fluorescein and horseradish peroxidase-labeled monoclonal antibodies were used to localize the predominant toxic peptide CSTX-1 in the venom gland of the spider Cupiennius salei. There was no polarity of CSTX-1 expression in repleted glands, whereas the glands of previously milked spiders showed a decreasing immunofluorescent response from the distal to the proximal portion. Detailed investigation...
The variation in venom dose with prey size of the neotropical wandering spider Cupiennius salei was examined experimentally. Monoclonal antibodies were raised against the venom toxins of C. salei. Mab 9H3, recognizing the main toxin CSTX-1, was used to quantify the venom by enzyme-linked immunosorbent assay (ELISA). Crickets (Acheta domesticus) in four size classes were randomly offered to sixteen...
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