PhanerochaeteV1, Main, Exploration, bibRecord, 000D79

Surface properties of the conidiospores of Phanerochaete chrysosporium and their relevance to pellet formation.

Identifieur interne : 000D79 ( Main/Exploration ); précédent : 000D78; suivant : 000D80

Surface properties of the conidiospores of Phanerochaete chrysosporium and their relevance to pellet formation.

Auteurs : P A Gerin [Belgique] ; Y. Dufrene ; M N Bellon-Fontaine ; M. Asther ; P G Rouxhet

Source :

Journal of bacteriology [ 0021-9193 ] ; 1993.

RBID : pubmed:8349553

Descripteurs français

KwdFr :
- Carbone (analyse), Champignons (composition chimique), Champignons (croissance et développement), Oxygène (analyse), Propriétés de surface (MeSH), Protéines fongiques (composition chimique), Spectrométrie d'émission X (MeSH), Spores fongiques (composition chimique), Spores fongiques (croissance et développement).
MESH :
- analyse : Carbone, Oxygène.
- composition chimique : Champignons, Protéines fongiques, Spores fongiques.
- croissance et développement : Champignons, Spores fongiques.
- Propriétés de surface, Spectrométrie d'émission X.

English descriptors

KwdEn :
- Carbon (analysis), Fungal Proteins (chemistry), Fungi (chemistry), Fungi (growth & development), Oxygen (analysis), Spectrometry, X-Ray Emission (MeSH), Spores, Fungal (chemistry), Spores, Fungal (growth & development), Surface Properties (MeSH).
MESH :
- chemical , analysis : Carbon, Oxygen.
- chemical , chemistry : Fungal Proteins.
- chemistry : Fungi, Spores, Fungal.
- growth & development : Fungi, Spores, Fungal.
- Spectrometry, X-Ray Emission, Surface Properties.

Abstract

The conidiospores of the white rot basidiomycete Phanerochaete chrysosporium tend to aggregate during swelling and germination in agitated liquid medium; as time passes, the initial aggregates tend to associate together and to capture conidiospores that remain isolated. The surface chemical compositions of the conidiospores and of developed hyphae were analyzed by X-ray photoelectron spectroscopy. The data were interpreted by modelling the surface in terms of proteins, polysaccharides and hydrocarbonlike compounds. The surface molecular composition of the dormant conidiospores was estimated to be about 45% proteins, 20% carbohydrates, and 35% hydrocarbonlike compounds. There was an increase in the polysaccharide content during germination. Later, when the hyphae were developed, the polysaccharide content became still higher, and the protein content dropped. The initial step of aggregation is attributed to polysaccharide bridging; its occurrence cannot be explained by a change of the overall hydrophobicity or electrical properties of the conidiospores.

DOI: 10.1128/jb.175.16.5135-5144.1993
PubMed: 8349553
PubMed Central: PMC204980

Affiliations:

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Le document en format XML

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<author><name sortKey="Gerin, P A" sort="Gerin, P A" uniqKey="Gerin P" first="P A" last="Gerin">P A Gerin</name>
<affiliation wicri:level="4"><nlm:affiliation>Unité de Chimie des Interfaces, Université Catholique de Louvain, Belgium.</nlm:affiliation>
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<author><name sortKey="Bellon Fontaine, M N" sort="Bellon Fontaine, M N" uniqKey="Bellon Fontaine M" first="M N" last="Bellon-Fontaine">M N Bellon-Fontaine</name>
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<term>Fungal Proteins (chemistry)</term>
<term>Fungi (chemistry)</term>
<term>Fungi (growth & development)</term>
<term>Oxygen (analysis)</term>
<term>Spectrometry, X-Ray Emission (MeSH)</term>
<term>Spores, Fungal (chemistry)</term>
<term>Spores, Fungal (growth & development)</term>
<term>Surface Properties (MeSH)</term>
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<keywords scheme="KwdFr" xml:lang="fr"><term>Carbone (analyse)</term>
<term>Champignons (composition chimique)</term>
<term>Champignons (croissance et développement)</term>
<term>Oxygène (analyse)</term>
<term>Propriétés de surface (MeSH)</term>
<term>Protéines fongiques (composition chimique)</term>
<term>Spectrométrie d'émission X (MeSH)</term>
<term>Spores fongiques (composition chimique)</term>
<term>Spores fongiques (croissance et développement)</term>
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<keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Carbon</term>
<term>Oxygen</term>
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<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Fungal Proteins</term>
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<keywords scheme="MESH" qualifier="analyse" xml:lang="fr"><term>Carbone</term>
<term>Oxygène</term>
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<keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Fungi</term>
<term>Spores, Fungal</term>
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<keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Champignons</term>
<term>Protéines fongiques</term>
<term>Spores fongiques</term>
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<keywords scheme="MESH" qualifier="croissance et développement" xml:lang="fr"><term>Champignons</term>
<term>Spores fongiques</term>
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<term>Surface Properties</term>
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<term>Spectrométrie d'émission X</term>
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<front><div type="abstract" xml:lang="en">The conidiospores of the white rot basidiomycete Phanerochaete chrysosporium tend to aggregate during swelling and germination in agitated liquid medium; as time passes, the initial aggregates tend to associate together and to capture conidiospores that remain isolated. The surface chemical compositions of the conidiospores and of developed hyphae were analyzed by X-ray photoelectron spectroscopy. The data were interpreted by modelling the surface in terms of proteins, polysaccharides and hydrocarbonlike compounds. The surface molecular composition of the dormant conidiospores was estimated to be about 45% proteins, 20% carbohydrates, and 35% hydrocarbonlike compounds. There was an increase in the polysaccharide content during germination. Later, when the hyphae were developed, the polysaccharide content became still higher, and the protein content dropped. The initial step of aggregation is attributed to polysaccharide bridging; its occurrence cannot be explained by a change of the overall hydrophobicity or electrical properties of the conidiospores.</div>
</front>
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<Month>09</Month>
<Day>10</Day>
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<Month>05</Month>
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<Title>Journal of bacteriology</Title>
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<Abstract><AbstractText>The conidiospores of the white rot basidiomycete Phanerochaete chrysosporium tend to aggregate during swelling and germination in agitated liquid medium; as time passes, the initial aggregates tend to associate together and to capture conidiospores that remain isolated. The surface chemical compositions of the conidiospores and of developed hyphae were analyzed by X-ray photoelectron spectroscopy. The data were interpreted by modelling the surface in terms of proteins, polysaccharides and hydrocarbonlike compounds. The surface molecular composition of the dormant conidiospores was estimated to be about 45% proteins, 20% carbohydrates, and 35% hydrocarbonlike compounds. There was an increase in the polysaccharide content during germination. Later, when the hyphae were developed, the polysaccharide content became still higher, and the protein content dropped. The initial step of aggregation is attributed to polysaccharide bridging; its occurrence cannot be explained by a change of the overall hydrophobicity or electrical properties of the conidiospores.</AbstractText>
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Surface properties of the conidiospores of Phanerochaete chrysosporium and their relevance to pellet formation.

Surface properties of the conidiospores of Phanerochaete chrysosporium and their relevance to pellet formation.

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki