foods at <0.85 aw
found in Maheshwari et al. (2000). Designing culture media for the selective enrichment and isolation of desired types and manipulating environmental conditions (temperature, aeration, pH, osmotic pressure) from an infinite number of permutations and combinations of environmental variables is a challenge.
13.1.2 Basic Research
Because of biological diversity, no single species can serve as a universal model. Each species has its peculiar strengths and limitations.
David D. Perkins (1991)
The enormous diversity of fungi provides enough opportunities to biologists to choose fungi suitable to investigate a diversity of problems. It is through biochemical dissection of the wealth of genetic diversity that we will appreciate the fundamental design principles of living organisms. The currently favored fungi in research are given in Table 13.2.
Table 13.2 Currently Favored Fungi in Research
Ascobolus immerses Ashbya gossypii Aspergillus nidulans Aspergillus flavus Aspergillus niger Candida albicans Colletotrichum graminicola Coprinus cinereus Fusarium oxysporum Magnaporthe grisea Neurospora crassa, N. intermedia, N. tetrasperma
Phanerochaete chrysosporium Phycomyces blakesleeanus Podospora anserina Saccharomyces cerevisiae, Schizosaccharomyces pombe
Saprolegnia ferax Ustilago maydis Uromyces phaseoli
Nuclear migration and positioning
Conidial differentiation, nuclear migration, cytokinesis
Enzymology and metabolism Pathogenecity, dimorphism Topographical signals in pathogenesis
Morphogenesis of multihyphal structures Transposons
Hyphal growth, chromosomal rearrangements, function of het genes, mating type genes, meiotic drive, epigenetic phenomena, biological rhythm, mitochondrial biogenesis, vesicle trafficking, developmental genetics, biochemical regulation, speciation Biochemistry of lignin degradation
Senescence, mitochondrial genetics, prions
Cell cycle regulation, cell polarity, protein secretion, biotechnology
Hyphal morphology and growth
Mating recognition, cell signaling, pathogenesis
Surface signaling in pathogenesis
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