Browsing by Author "Walker, Robert J."

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    • The FMRFamide-like AF2 is present in the parasitic nematode Haemonchus contortus 

      Keating, Christopher; Holden-Dye, Lindy; Thorndyke, Michael C.; Williams, R.G.; Mallett, A.; Walker, Robert J. (1995-11)
      Peptides belonging to the FMRFamide family are widely distributed amongst invertebrates. We report here on the isolation of the FMRFamide neuropeptide AF2 (Lys-His-Glu-Tyr-Leu-Arg-Phe-NH2) from the parasitic nematode ...

    • Investigation of the mode of action of nematode neuropeptides 

      Keating, Christopher; Holden-Dye, Lindy; Walker, Robert J. (1996-03)
      The neuropeptide AF2 has a complex set of actions on the dorsal muscle strip of Ascaris suum, including a potentiation of the acetylcholine-stimulated muscle contraction. Caffeine at 100 μm and 5 mm inhibited this potentiation, ...