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  • Title: Chemosensitivity of Philophthalmus megalurus (Trematoda) miracidia.
    Author: Nollen PM.
    Journal: J Parasitol; 1990 Jun; 76(3):439-40. PubMed ID: 2352075.
    Abstract:
    Miracidia of the eyefluke Philophthalmus megalurus were tested in phi-chambers to determine if they reacted similarly to chemicals found stimulative for miracidia of Philophthalmus gralli, a closely related species. Philophthalmus megalurus miracidia were less responsive than P. gralli to the dicarboxylic amino acids and showed a significantly positive response only to 10 mM glutamic acid. These P. megalurus miracidia were chemonegative to 10 mM HCl and H2SO4, chemicals to which P. gralli miracidia gave a significantly positive response. Ammonia and Mg2+ did not elicit any response from P. megalurus miracidia.
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