By Myriam Consuelo Lopez
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Further aspecific coating with host factors is believed to make the S. feltiae virtually undetectable as non-self, thus also preventing proper humoral and cellular responses that normally lead to parasite encapsulation. 2 The oral stylet – a multi-tool for nematodes All plant cells are insulated by a rigid cell wall, which constitutes a protective container for the protoplast (Carpita and Gibeaut, 1993). , 2004). Fierce outward movements of the stylet provide the necessary physical impact to perforate cell walls during host invasion.
1999) Seasonal variation in development and survival of Ascaris suum and Trichuris suis eggs on pastures. Parasitology 119, 209–220. L. (1972) Penetration of mammalian skin by the infective larva of Nippostrongylus brasiliensis. Parasitology 65, 499–505. L. (2002) Cuticle, moulting and exsheathment. L. ) The Biology of Nematodes. Taylor & Francis, London, pp. 171–209. Levine, H. and Slade, L. (1992) Another view of trehalose for drying and stabilizing biological material. BioPharm 5, 36–40. J.
1984). Barrett (1991) considered it possible that such species may normally have large amounts of tissue polyols when active. There are several possible roles for the involvement of trehalose in desiccation protection. Trehalose may replace bound water by attaching to polar side groups on proteins and phospholipids, thus maintaining the balance between hydrophilic and hydrophobic forces acting on the molecules and preventing their collapse. Preventing cross-linkage of molecules and fusion of membranes as bulk water is removed also preserves membrane stability.