Der Bakterienangriff auf Holz

Harmsen, L.; Nissen, T. Vincents

doi:10.1007/bf02613040

Cited by 33 publications

(4 citation statements)

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“…Rod-shaped to coccal bacteria are present within the holes of the cell wall. Similar bacterial Symptoms, described s bacterial erosion, cavitation and/or tunnelling (Harmsen and Nissen 1965;Courtois 1966;Greaves 1969;Holt et al 1979) were recently portrayed in the reports by Nilsson, Holt and coworkers. The bacteria are surrounded by granul r to amorphous substances s also found in several other investigations (e.g.…”

Section: Resultssupporting

confidence: 56%

Bacterial Wood Degradation Studies under Laboratory Conditions and in Lakes

Schmidt

Nagashima²,

Líese³

et al. 1987

HFSG

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Investigations on attack of lignified cell walls (beech, poplar, pine, spruce) by 57 bacterial strains extended earlier results that with the applied laboratory methods, no cell wall degradation was obtained. Experiments with samples submerged in two lakes revealed, however, a bacterial attack of the hardwoods, with fungi participating. For the softwoods, submerged sections showed exclusively bacterial degradation, which in cubes (l cm 3 ) was restricted to the outer parts. TEM micrographs showed the degradation progressing from the tertiary into the secondary wall. The generally rod-shaped bacteria were surrounded by granulär to amorphous substances or lay in distinct cavities.

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Section: Resultssupporting

confidence: 56%

Bacterial Wood Degradation Studies under Laboratory Conditions and in Lakes

Schmidt

Nagashima²,

Líese³

et al. 1987

HFSG

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“…It is also probable that several early reports on the decay of submerged pilings refer to an attack indicative of cavity formation. Harmsen and Nissen (18,19) described small conical depressions extending from the cell lumen into the secondary wall and then spreading irregularly in the S2 layer. Scheffer et al (28) observed bacteria in elongated cavities, some of which were orientated along the woods microfibrils.…”

Section: Discussionmentioning

confidence: 99%

Bacterial degradation of lignified wood cell walls in anaerobic aquatic habitats

Holt¹,

Jones²

1983

Appl Environ Microbiol

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Test blocks of beech (Fagus sylvatica) and Scots pine (Pinus sylvestris) were buried in fresh, brackish, and seawater anaerobic muds for periods ranging between 1 and 18 months. At appropriate time intervals the test blocks were recovered and examined for changes in weight and for bacterial attack of lignified wood cell walls. Only small weight losses occurred. Scanning electron microscopy studies revealed that there was extensive superficial bacterial erosion of beech wood cell walls. The decay patterns are illustrated by micrographs and discussed in relation to other types of bacterial attack.

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“…Sandrak [23] recovered up to 3 × 103 cellulolytic micromonosporas per gram of wheat rhizosphere samples while Johnston and Cross [50] found Micromonospora to be the dominant actinomycete genus in freshwater lakes, having also demonstrated the presence of both mycelium and spores in lake muds [51]. Cellulolytic micromonosporas have also been isolated from decaying wood [52] and implicated in the biodeterioration of timber foundation piles [53].…”

Section: Ecological Rolementioning

confidence: 99%

Lignocellulose-degrading actinomycetes

McCarthy

1987

FEMS Microbiology Letters

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Der Bakterienangriff auf Holz

Cited by 33 publications

References 1 publication

Bacterial Wood Degradation Studies under Laboratory Conditions and in Lakes

Bacterial Wood Degradation Studies under Laboratory Conditions and in Lakes

Bacterial degradation of lignified wood cell walls in anaerobic aquatic habitats

Lignocellulose-degrading actinomycetes

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