Wall Structure, Wall Growth, and Fungal Cell Morphogenesis

Wessels, J. G. H.; Mol, P. C.; Sietsma, J. H.; Vermeulen, C. A.

doi:10.1007/978-3-642-74215-6_6

Cited by 52 publications

(28 citation statements)

References 46 publications

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“…A wall expansion mechanism based on synthesis of a primary, plastic wall that is later rigidified has now been well demonstrated for apical growth in Schizophyllum commune (Wessels et al, 1983(Wessels et al, , 1990. Our observation of proportionality between rate of perimeter extension and Mif is compatible with such a model, if it is assumed that rigidification rates parallel, but do not equal, rates of synthesis of primary wall polymers.…”

Section: Discussionsupporting

confidence: 72%

“…The rate of secondary rigidification would then be maximal in hyphal cells with high Mif and very slow in cells at the low end of the Mi range wall, allowing yeast-cells the possibility of further primary wall synthesis at all sites in the cell wall, as was seen in cells with low Mif in the present study and in that of . If rigidification depends in molecular terms on cross-linking that involves Nacetyl-D-glucosamine moieties, as seems to be the case with other yeasts and fungi (Wessels et al, 1990) then this model is also compatible with the findings of higher chitin levels in the cell walls of C. albicans hyphae than in yeast-cells (Chattaway et al, 1968) and the finding that C. albicans chitin levels are directly proportional to Mi (Merson- Davies & Odds, 1989).…”

Section: Discussionsupporting

confidence: 62%

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Expansion of the Candida albicans cell envelope in different morphological forms of the fungus

Merson-Davies

Odds²

1992

Journal of General Microbiology

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Modes of cell envelope expansion were monitored in developing cells of Candida albicuns 731055 to which polystyrene beads were attached. Eight different conditions of culture medium, pH and temperature were used to promote growth in a variety of morphological forms. The cells were observed microscopically during growth in Sykes-Moore perfusion chambers, and sequential measurements of distances between the bead and the parent cell, and the bead and the apical tip were used to distinguish apical envelope expansion from general envelope expansion. Morphology index (Mi) was determined at each time point as an estimate of each cell's morphology. Calculations based on the measurements showed that general envelope expansion was inversely proportional to Mi, but that general expansion greater than 20% occurred only in cells with a final Mi < 2.0, indicating that regulation of apical and general envelope expansion alone may be insufficient to determine the different morphologies seen in cells with higher Mi. The rate of expansion of the perimeter of cells was linearly proportional to the final Mi. This observation suggests that commitment to morphological development in C. al6icans may in part involve commitment to a rate of envelope expansion, which itself helps determine the final morphology of a cell.

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Section: Discussionsupporting

confidence: 72%

Section: Discussionsupporting

confidence: 62%

Expansion of the Candida albicans cell envelope in different morphological forms of the fungus

Merson-Davies

Odds²

1992

Journal of General Microbiology

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“…Extraction of chitosan from mycelia of fungus G.butleri grown in solid substrate fermentation Table 1. Extraction of chitosan from fungal mycelia by different methods Glucose joined through α-1,3-, α-1,4-, α-1,6-, β-1,3-, β-1,4-or β-1,6-linkages is called glucan (Carbonero et al, 2005;Schmid et al, 2001;Hochstenbach et al, 1998;Wessels et al, 1990;Wolski et al, 2005;Marchessault & Deslandes, 1979cited in Nwe et al, 2008. Chitin/chitosan and glucan are the main fungal skeletal polysaccharides.…”

Section: Growth Of Fungus and Extraction Of Chitosan By Traditional Mmentioning

confidence: 99%

“…Chitin/chitosan and glucan are the main fungal skeletal polysaccharides. In the fungal cell www.intechopen.com wall, chitin/chitosan occurs in two forms, as free aminoglucoside and covalently bonded to β-glucan (Bartnicki-Garcia, 1968;Gooday, 1995;Robson, 1999;Wessels et al, 1990). In 1990, Wessels et al proposed that initially chitin and β-glucan chains accumulate individually in the fungal cell wall and thereafter form the interpolymer linkage.…”

Section: Growth Of Fungus and Extraction Of Chitosan By Traditional Mmentioning

confidence: 99%

Production of Fungal Chitosan by Enzymatic Method and Applications in Plant Tissue Culture and Tissue Engineering: 11 Years of Our Progress, Present Situation and Future Prospects

Nwe¹,

Furuike²,

Tamura³

2010

Biopolymers

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“…Chitin in fungal cell walls is normally présent in a highly rigid, crystalline state. In the hyphal apex, however, the chitin is sensitive to treatments with dilute HCI or chitinase (Wessels et al 1990). The sensitivity of the fungal cell wall to lytic enzymes has 92 been exploited by using chitinase-producing bacteria to control plant-pathogenic fungi in the rhizosphere.…”

Section: Proteins Involved In Biocontrolmentioning

confidence: 99%

Actinomycetes, promising tools to control plant diseases and to promote plant growth

Doumbou¹,

Salove²,

Crawford³

et al. 2005

phyto

223

130

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Les actinomycètes représentent une grande proportion de la biomasse microbienne du sol et ont la capacité de produire une large variété d’antibiotiques et d’enzymes extracellulaires. Plusieurs souches d’actinomycètes s’avèrent capables de protéger les plantes contre des maladies. Cette revue se penche sur le potentiel des actinomycètes comme (a) source de composés agronomiques, (b) agents stimulant la croissance des plantes et (c) agents de lutte biologique. La revue donne aussi des exemples de lutte biologique contre les agents phytopathogènes bactériens et fongiques par l’utilisation d’espèces d’actinomycetes déjà disponibles sur le marché ou qui le seront probablement au cours des prochaines années.Actinomycetes represent a high proportion of the soil microbial biomass and have the capacity to produce a wide variety of antibiotics and of extracellular enzymes. Several strains of actinomycetes have been found to protect plants against plant diseases. This review focuses on the potential of actinomycetes as (a) source of agroactive compounds, (b) plant growth promoting organisms, and (c) biocontrol tools of plant diseases. This review also addresses examples of biological control of fungal and bacterial plant pathogens by actinomycetes species which have already reached the market or are likely to be exploited commercially within the next few years

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Wall Structure, Wall Growth, and Fungal Cell Morphogenesis

Cited by 52 publications

References 46 publications

Expansion of the Candida albicans cell envelope in different morphological forms of the fungus

Expansion of the Candida albicans cell envelope in different morphological forms of the fungus

Production of Fungal Chitosan by Enzymatic Method and Applications in Plant Tissue Culture and Tissue Engineering: 11 Years of Our Progress, Present Situation and Future Prospects

Actinomycetes, promising tools to control plant diseases and to promote plant growth

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