Nutrient mobilization by plasmodium of myxomycete Physarum rigidum in deadwood

To assess the nutrient mobilization ability of myxomycete plasmodia in deadwood, a microcosm experiment was conducted. Alive or dead plasmodia of a common lignicolous myxomycete, Physarum rigidum, were inoculated on field-collected crushed wood powder of white-rot or brown-rot pine wood and incubate...

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Bibliographic Details
Published in:Fungal ecology 2017-10, Vol.29, p.42-44
Main Authors: Fukasawa, Yu, Komagata, Yasuyuki, Kawakami, Shin-ichi
Format: Article
Language:English
Subjects:
Calcium
Magnesium
Mineralization
Potassium
Slime mold
Sodium
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Summary:To assess the nutrient mobilization ability of myxomycete plasmodia in deadwood, a microcosm experiment was conducted. Alive or dead plasmodia of a common lignicolous myxomycete, Physarum rigidum, were inoculated on field-collected crushed wood powder of white-rot or brown-rot pine wood and incubated for 24 d. The activity of living plasmodia led to increased concentrations of Ca2+, K+, Mg2+, Na+, and Cl−, but lower PO43– concentrations in the wood powder. For NO3− concentration, the effect of living plasmodia was negative in white-rotted wood but positive in brown-rotted wood. These results suggest that the plasmodium of P. rigidum has the ability to mobilize nutrients in deadwood.
ISSN:1754-5048
DOI:10.1016/j.funeco.2017.05.005