(n.) A genus of fungi having the under side of the pileus or cap composed of a multitude of fine separate tubes. A few are edible, and others very poisonous.
Example Sentences:
(1) The proposed method was applied to the analysis of methyl bromide residues in alimentary pastes, white flour, rice, hazelnuts, peanuts and dried mushrooms (boletus).
(2) Similar cases, reported from North America, Europe, and Russia, involve Agaricus, Boletus, Lactarius, Paxillus, Ramaria, and Suillus species.
(3) Cadmium was extensively accumulated by the toxic Amanita muscaria, but also by the edible Boletus edulis and Amanita rubescens, with mean values 28.6, 15.2 and 12.3 mg Cd kg-1 dry matter, respectively.
(4) A toxic protein of Mr 22,000, called bolaffinine, has been purified from the mushroom, Boletus affinis Peck (Boletaceae), with a 0.65% yield using a procedure involving four steps: ammonium sulfate precipitation, two chromatographies on ion-exchange columns and gel filtration on Sephadex G-75.
(5) The bioavailability of selenium (Se) in mushrooms, Boletus edulis, to young Finnish women was studied by giving them 150 micrograms Se as mushrooms for 4 weeks.
(6) Statistically significant linear correlations between lead and cadmium concentrations were found only for Boletus edulis and Paxillus involutus.
(7) The mercury content of various parts of single fruit-bodies of the Yellow Bolete Boletus edulis (n = 26), the Field-Mushroom Agaricus campester (n = 23) and of Agaricus silvicola (n = 17) was determined by flameless atomic absorption spectroscopy.
(8) Ectomycorrhizal fungi of the genus Boletus were able to use a restricted number of hexoses and disaccharides as single carbon sources.
(9) The double centrosome in the basidium of Boletus rubinellus has been observed in three planes with the electron microscope at interphase preceding nuclear fusion, at prophase I, and at interphase I.
(10) Protein synthesis was assayed in liver and kidney of mice treated with bolesatine, a toxic glycoprotein from the mushroom Boletus satanas (Lenz) which was previously shown to be an inhibitor of protein synthesis by cell-free systems in vitro and by cultured cell-lines.
(11) Bolesatine is a toxic monomeric glycoprotein of Mr 63,000 isolated from the mushroom Boletus satanas Lenz.
(12) The highest selenium concentrations (up to 20 ppm) were found in Boletus (Tubiporus) edulis, a most popular edible mushroom.
(13) Among other accumulations found was bromine by the genus Amanita, and selenium by the edible Boletus.
(14) In Boletus and Suillus the highest selenium content was found in the tubes.
(15) The rare species were Melittangium boletus, Polyangium vitellinum, Stigmatella aurantiaca, and Chondramyces apiculatus.