untitled

92 CHAPTER 5 the substomatal cavity and produces a substomatal vesicle. Then an infection hypha develops from this to produce a ...

DIFFERENTIATION AND DEVELOPMENT 93 even on flat surfaces. Group 4included many cereal rusts (Puccinia graminis, P. recondita, et ...

94 CHAPTER 5 They are formed by relatively few fungi – mainly Basidiomycota. At their most complex they can be up to 1 cm diamet ...

DIFFERENTIATION AND DEVELOPMENT 95 Fig. 5.11Fruitbodies and mycelial cords of a puffball (Lycoperdonsp.) growing on decayed wood ...

96 CHAPTER 5 parent hyphae in the nitrogen-rich zone. Regulatory control by nitrogen seems logical for wood-decay fungi, because ...

DIFFERENTIATION AND DEVELOPMENT 97 Sporangiospores Sporangiospores are usually formed within a thin- walled sporangium, like the ...

98 CHAPTER 5 the spores and were surrounded by flagellarmembranes. This difference in origin of the flagellar membrane and the p ...

DIFFERENTIATION AND DEVELOPMENT 99 Fig. 5.17(a,b) Detached sporangia of Phytophthora infestans, incubated at 12°C. The sporangia ...

100 CHAPTER 5 in Fig. 5.18. The proconidia become conidia when septa develop to separate them, starting at the base of the chain ...

DIFFERENTIATION AND DEVELOPMENT 101 medium that contained both nitrogen and glucose. On agar plates this whole developmental seq ...

102 CHAPTER 5 Roles of hydrophobins in fungal differentiation Hydrophobinsare a class of small secreted proteins that were disco ...

DIFFERENTIATION AND DEVELOPMENT 103 A. fumigatus, and N. crassaare seen to have a pattern of hydrophobic rodlets on their surfac ...

104 CHAPTER 5 not the development of the sex organs themselves. In a few cases, notably in Achlya, a single colony can show “rel ...

DIFFERENTIATION AND DEVELOPMENT 105 the prohormones are produced by each strain, but trisporic acids cause gene derepression so ...

106 CHAPTER 5 The MATlocus is a regulatory locus, governing the expression of several genes. These include: The genes responsib ...

DIFFERENTIATION AND DEVELOPMENT 107 mon B pairings) controls the pairing and synchronous division of nuclei and also the formati ...

108 CHAPTER 5 the surface interactions of hyphae, contributing to features such as the hydrophobicity of cells lining the intern ...

Hoch, H.C., Staples, R.C., Whitehead, B., Comeau, J. & Wolfe, E.D. (1987) Signaling for growth orientation and differentiati ...

Chapter 6 Fungal nutrition This chapter is divided into the following major sections: the basic nutrient requirements of fungi ...

FUNGAL NUTRITION 111 Some fungi cannot utilize nitrate or ammonium as their sole nitrogen source; instead they require a source ...