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n.1.(Zool.) One of a peculiar kind of spines covering the surface of certain starfishes. They are pillarlike, with a flattened summit which is covered with minute spinules or granules. See Illustration in Appendix.
References in periodicals archive ?
Meharg, Cairney e Maguire (1997) estudaram Paxillus involutus e Suillus variegatus frente a 2,4--diclorofenol em meio de cultura liquido e em simbiose com Pinus sylvestris.
Paxillus involutus strains MAJ and NAU mediate K+/Na+ homeostasis in ectomycorrhizal Populus canescensundersodiumchloridestress.
Eleven species of parasites, totaling 1,522 individual helminths were recovered from 98 infected fishes, one belonging to Monogenea, Choricotyle aspinachorda Hargis,1956, nine species of trematodes: Brachadena pyriformis Linton,1910, Diplangus paxillus Linton, 1910, Lasiocotus longavatus Hopkins,1941, Genolopa ampullaceal Linton, 1910; Haliotrema Johnson y Tiegs, 1922; Leodera decora, Apocreadium foliatum Siddiki & Cable, 1960; Prolecithochirium spp, one Hemiurid spp.
Organic acids and water-soluble phenolics produced by Paxillus sp 60/92 together show antifungal activity against Pythium vexans under acidic culture conditions.
Moreover, direct effect of pH and temperature on protease activity have been reported in the secreted enzyme fraction of birch roots colonized by Paxillus inovolutus (Bending and Read, 1995) or of the mycelium of Hebeloma sp.
Bacterial community structure at defined locations of Pinus sylvestris- Suillus bovines and Paxillus involutus mycorrhiospheres in dry pine forest humus and nursery peat.
Steeve Bonneville of the University of Leeds in England and his colleagues set up a lab test to study the effects of the fungi Paxillus involutus on biotite, a potassium-rich mineral found in granite and other rock types.
Flora, Boletus, Gyroporus, Leccinum, Suillus, Xerocomus, Paxillus, Za).
Bosque Bosque Bosque Seco Humedo Humedo Tropical Tropical subtropical Especie (0-700m) (0-100m) (700-900m) Paxillus leachi X Spasalus crenatus X * Spasalus paulinae X Passalus (Mitrorhinus) X arrowi Passalus (Pertinax) X punctatostriatus Passalus (Pertinax) sp nov.