Cell wall composition in the ascomycete sphaerostilbe repens at different developmental stages

Botton, Bernard; Bonaly, R.

doi:10.1007/bf00411174

Cited by 10 publications

(4 citation statements)

References 27 publications

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“…After 5 weeks, the mycelium was harvested and washed with 3 1 of distilled water. Sphaerostilbe repens was grown and harvested as described previously (Botton and Bonaly, 1982).…”

Section: Culture and Harvestmentioning

confidence: 99%

NITROGEN ASSIMILATION IN MYCORRHIZAS. I. PURIFICATION AND PROPERTIES OF THE NICOTINAMIDE ADENINE DINUCLEOTIDE PHOSPHATE‐SPECIFIC GLUTAMATE DEHYDROGENASE OF THE ECTOMYCORRHIZAL FUNGUS CENOCOCCUM GRANIFORME

Martin

Msatef²,

Botton³

1983

New Phytologist

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“…After 5 weeks, the mycelium was harvested and washed with 3 1 of distilled water. Sphaerostilbe repens was grown and harvested as described previously (Botton and Bonaly, 1982).…”

Section: Culture and Harvestmentioning

confidence: 99%

NITROGEN ASSIMILATION IN MYCORRHIZAS. I. PURIFICATION AND PROPERTIES OF THE NICOTINAMIDE ADENINE DINUCLEOTIDE PHOSPHATE‐SPECIFIC GLUTAMATE DEHYDROGENASE OF THE ECTOMYCORRHIZAL FUNGUS CENOCOCCUM GRANIFORME

Martin

Msatef²,

Botton³

1983

New Phytologist

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“…Filamentous fungi which aggregate do so by means of calcium and protein wall components [27]. Such aggregations are usually stable.…”

Section: Discussionmentioning

confidence: 99%

Aggregation and disaggregation ofCandida albicansgerm-tubes

Rahary

Bonaly

Lematre

et al. 1985

FEMS Microbiology Letters

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The spontaneous aggregation of Candida albicans germ tubes, which occurs in medium 199, has been studied. The disaggregating activity of various substances, such as sugars, enzymes and sulphydryl compounds has been tested by addition of these substances to the culture medium. Glutathione and dithiothreitol were the most effective in inhibiting aggregation without disturbing germ tube formation. In a buffer solution, pH 7, the previously aggregated tubes were irreversibly dispersed by pronase. In the presence of glutathione and dithiothreitol, the process was reversible, since after washing with distilled water, germ tubes aggregated immediately.

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“…The most significant decrease of cystine was found in rhizomorphs cul- (Table 4). The depletion of free cystine in the cell might be due to its mobilization in the cell walls when aggregation of the hyphae takes place, because organ differentiation in this fungus appears to be a disulphide group-dependent phenomenon [24]. In mycelium and in the thalli which developed in the absence of calcium, concentrations of these amino acids remained constant.…”

Section: Amino Acid Composition As Affected By the Developmental Stagmentioning

confidence: 95%

Morphogenesis and free amino acid composition of the ascomyceteSphaerostilbe repensas influenced by nitrogen and calcium

Botton

Es-Sgaouri

1985

FEMS Microbiology Letters

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Sphaerostilbe repens utilizes nitrate and ammonium as nitrogen sources. Differentiation of mycelium into rhizomorphs and coremia was reduced in the presence of nitrate and completely inhibited in the absence of calcium. The most abundant free amino acids were, in decreasing order: alanine, glutamine, glutatomic acid, serine, aspartic acid, γ‐aminobutyric acid, arginine and threonine. These compounds represented 90% of the total amino acid pool. The free amino acid composition did not vary with cultural conditions although concentrations of individual amino acids differed. In ammonium‐grown cells, γ‐aminobutyric acid increased in concentration and glutamate, aspartate and alanine decreased. Calcium‐deficient media reduced amino acid concentrations, especially of arginine and ornithine. Amino acid contents increased during the growth period and were higher in rhizomorphs than in vegetative mycelia.

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Cell wall composition in the ascomycete sphaerostilbe repens at different developmental stages

Cited by 10 publications

References 27 publications

NITROGEN ASSIMILATION IN MYCORRHIZAS. I. PURIFICATION AND PROPERTIES OF THE NICOTINAMIDE ADENINE DINUCLEOTIDE PHOSPHATE‐SPECIFIC GLUTAMATE DEHYDROGENASE OF THE ECTOMYCORRHIZAL FUNGUS CENOCOCCUM GRANIFORME

NITROGEN ASSIMILATION IN MYCORRHIZAS. I. PURIFICATION AND PROPERTIES OF THE NICOTINAMIDE ADENINE DINUCLEOTIDE PHOSPHATE‐SPECIFIC GLUTAMATE DEHYDROGENASE OF THE ECTOMYCORRHIZAL FUNGUS CENOCOCCUM GRANIFORME

Aggregation and disaggregation ofCandida albicansgerm-tubes

Morphogenesis and free amino acid composition of the ascomyceteSphaerostilbe repensas influenced by nitrogen and calcium

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