Mycelial growth

Fig. 9.2 Changes in the luminescence intensity, the contents of luciferin and SOD, and medium pH during the mycelial growth of five kinds of bioluminescent fungi Panellus stipticus, Armillaria mellea, Mycena citricolor, Pleurotus japonicus, and Omphelotus olearius. The ordinate readings of the curves marked 1/3 should be multiplied by 3. For the SOD activity, see Table 9.2, footnote e. From Shimomura, 1992, with permission from Oxford University Press.

Bermudes, D., Gerlach, V. L., and Nealson, K. H. (1990). Effects of culture conditions on mycelial growth and luminescence in Panellus stypticus. Mycologia 82 295-305. 

A, discoloured, oil-depleted, aqueous phase B, oil globule-rich creamed layer, C, coalesced oil layer limi cracked emulsion D, liingal mycelial growth on surface. Also present are a foul taste and evil smell ... 

Table IV. Altemaria solani Inhibition of Mycelial Growth over Control by Geraniol ...

Mechanism of Action An antifungal that distorts hyphae and stunts mycelial growth in susceptible fungi. Therapeutic Effect Results in fungal cell death. 

Recently, a patent described the use of Diplodia gossypina ATCC 10936 for the production of natural jasmonic acid [47]. With submerged cultures, up to 1.5 g L" jasmonic acid was obtained after 11 days of incubation the addition of 10-oxo-8-fra s-decenoic acid, a hormone stimulating mycelial growth, proved to be advantageous methyl jasmonate was obtained by autoclaving the... 

Mycelial growth is more sensitive to cymoxanil than early growth phases, including the release of zoospores from sporangia and their germination. Cymoxanil inhibits nucleic acid and protein synthesis in some fungi but may have to be activated to induce a fungicidal response. 

The intensive search for new organic fungicides has continued for over 30 years. The technique employed in most laboratories is to make an extensive survey of various structures by empirical methods to locate materials that suppress spore germination on glass slides or prevent mycelial growth on nutrient agar plates or rolled tubes. Those materials having an ED ] (effective dose for 50% inhibition) in (he order of 10 ppm are further tested in use applications. 

Viscosity Mycelial growth or polysaccharide formation increase the viscosity of the fermentation broth. Therefore, the measurement of... 

Ritchie, D.F. 1983. Mycelial growth, peach fruit-rotting capability, and sporulation of strains of Monilinia fructicola resistant to dichloran, iprodione, procymidone, and vinclozolin. Phytopathology 73 44-47. 

Ritchie, D.F. 1982. Effect of dichloran, iprodione, procymi-done, and vinclozolin on the mycelial growth, sporulation, and isolation of resistant strains of Monilinia fructicola. Plant Dis. 66 484-486. 

Mitani and Inoue (49) found that the inhibition of mycelial growth of P. sasakii by polyoxins was protected by glycyl-L-alanine, glycyl-D,L-valine and D,L-alanylglycine. Therefore, the peptides may act as antagonists to the incorporation of polyoxins into the cell of the fungus. 

Clove bud oil causes inhibition of both mycelial growth and aflatoxin production of A. parasiticus (Farag et al., 1989 Gowda et al., 2004). Clove oil, at concentrations > lOOpg/ml, results in reduction in the aflatoxin production in liquid cultures (Sinha et al., 1993). Clove oil inhibits the growth and production of fumonisin Bj by F. prolif-eratum (Veluti et al., 2003). 

The inhibitory effects of the essential oils of coriander on the mycelial growth and ochra-toxinA production by A. ochraceus NRRL 3174 were studied by Basilico and Basilico (1999). Sage and coriander showed no important effect at any of the concentrations studied. Meena and Sethi (1994) also studied the potential of coriander oil in the control of A. niger, Saccharomyces cerevisiae, Mycoderma sp., L. acidophilus and Bacillus cereus. 

The volatile oil of cumin, which is a mixture of about 32 components, principally cuminaldehyde (40.7%), terpinene (16.7%) and p-cymene (14.5%), inhibits Curvularia lunata and F. moniliforme by 100%, while the acetone extract is 85% effective in inhibiting the mycelial growth of A. ochraceus, A. flavus and P. citrinum (Singh et al., 2006). 

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