T

Teleomorph, 232 Teliospore, 48, 229

Temperature sensitive (ts) mutants, uses of, 15,

22, 83, 91 Tetrad analysis, 70-72 Thermophilic fungi composts, in 148-151 culture medium, 151 discovery of, 146 distribution in soil, 148-151 efficiency of growth, 153 nutrient transport, 153 potential applications, 159 protein turnover, 154 respiration, 152

thermostability of enzymes, 159 unusual invertase, 157-158 utilization of mixed carbon sources, 153 Thermomyces lanuginosus, 146, 151-158 Thigmotropic stimulus, 52-55 Tilletia, see bunt of wheat Topographical signal, 53

Toxin, 58

Transformation, 121-123

dominant selectable marker, 130 DNA sequences of vector, 131 electroporation, 130

method of purification of transformant 132 multicopy transformants, 131 protoplasting method, 130 use in generating DNA sequence duplications, 133 Transgene ectopic integration 131-132 homologous integration 131-132 Transposable elements, as generator of variability 198 Tree, phylogenetic, 204 Trehalase, 156 Trehalose, 38, 157 Trichogyne, 67, 68 "True fungi," 223

Two-hybrid technology, use of 100-101 U

Ustilago maydis, corn smut fungus life-cycle, 120

multiple mating types, 121, 124 sex pheromones and receptor,

122-124 test for mating reaction, 122 tumor induction in corn plant, 121

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