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Monoclonal antibodies that were raised against cuticular components from the free-living nematode Panagrellus silusiae were found to react with a cuticular collagenous domain from Ascaris lumbricoides. One of these monoclonal antibodies was used to localize the collagenous epitope within sectioned Ascaris cuticles. By indirect immunofluorescence, accessible binding sites were observed in the basal zone of the cuticle. Immunological staining occurred in the innermost lamella of the basal zone, i.e., basal lamella, in which the fibrillar palisade gave a strong response. The three layers of the spiral fiber system of the basal zone exhibited a distinctive immunofluorescence pattern. In each of these layers, irregular shaped blocks, often quadrangular, were immunostained; whereas, adjacent blocks were immunonegative. Immunostaining was, for the most part, absent from the cortical and medial zones of the cuticle as well as from other tissues within the worm. 相似文献
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The structure of the cuticle of Ascaris lumbricoides var. suis 总被引:2,自引:0,他引:2
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When hemolymph is taken from Ascaris lumbricoides at the time the worm is collected from pigs, it contains acetic, propionic, 2-methylbutyric, n-valeric, 2-methylvaleric, and succinic acid radicals; tiglic acid is absent. 相似文献
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The cuticle of the parasitic roundworm Ascaris lumbricoides suum has been found to contain apparent pores, using scanning and transmission electron microscopy. However, X-ray spectral analysis and dot mapping analysis of diffusing divalent cations in the cuticle found these ions to be randomly distributed on the pseudocoelomic surface of the cuticle. This indicates that the pores seen with the electron microscope were not true structural pores and that the cuticle is homogeneously permeable to ions. 相似文献
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