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Oxalate decarboxylase in the brown-rot wood decay fungus Postia placenta

, : Oxalate decarboxylase in the brown-rot wood decay fungus Postia placenta. Material und Organismen (Berlin) 29(3): 177-186

Oxalate decarboxylase, the enzyme associated with the decomposition of oxalic acid in white-rot fungi, was identified and partially purified from low- and high-decay cultures of the brown-rot fungus Postia placenta. The enzyme was most active under conditions of extreme acidity (pH 2.0-2.2) and was severely inhibited at pH levels greater than 2.6. A low-decay isolate of P. placenta produced large quantities of this enzyme and formed it earlier than did a standard high-decay isolate. The possible role of the enzyme in the regulation of pH during decay is discussed.

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Related references

Micales, Jessie A., 1997: Localization and induction of oxalate decarboxylase in the Brown-rot wood decay fungus Postia placenta. Oxalate decarboxylase (ODC), the enzyme that converts oxalic acid to formic acid and carbon dioxide, was recently isolated from high- and low-decay isolates of the brown-rot wood decay fungus Postia placenta. The enzyme is induced in the presence...

Micales, J.A., 1996: Localization of oxalate decarboxylase in the brown-rot fungus Postia placenta. Oxalate decarboxylase, the enzyme that breaks oxalic down into formic acid and carbon dioxide, was recently detected in mycelial extracts of the brown-rot fungus Postia placenta [Oligoporus placenta]. Differential centrifugation was used to demons...

Green, F., 1989: Proposed model for the penetration and decay of wood by the hyphal sheath of the brown-rot fungus Postia placenta

Zhang, J.; Presley, G.N.; Hammel, K.E.; Ryu, J-San.; Menke, J.R.; Figueroa, M.; Hu, D.; Orr, G.; Schilling, J.S., 2016: Localizing gene regulation reveals a staggered wood decay mechanism for the brown rot fungus Postia placenta. Wood-degrading brown rot fungi are essential recyclers of plant biomass in forest ecosystems. Their efficient cellulolytic systems, which have potential biotechnological applications, apparently depend on a combination of two mechanisms: lignocell...

Green, F.I.I.I.; Highley, T.L., 1997: Brown-rot wood decay-insights gained from a low-decay isolate of Postia placenta. A study of the mechanism of brown rot decay of wood was carried out. A non-degradative strain of P. placenta [Oligoporus placenta] (ME-20) was studied to obtain information on the mechanism which prevents colonization, weight loss and hydrolysis o...

Jordan, C.R.; Dashek, W.V.; Highley, T.L., 1996: Detection and quantification of oxalic acid from the brown-rot decay fungus, Postia placenta. The mechanism by which brown-rot fungi initiate depolymerization of holocellulose in wood remains unknown. Recently, oxalic acid has received considerable attention in cellulose breakdown by brown-rot fungi. The oxalic acid could serve as a proton...

Illman B.L., 1987: Ornithine decarboxylase suicide inhibitor prevents growth of wood decay fungus postia lacenta. Phytopathology 77(12): 1754

Schilling, J.S.; Duncan, S.M.; Presley, G.N.; Filley, T.R.; Jurgens, J.A.; Blanchette, R.A., 2013: Colocalizing incipient reactions in wood degraded by the brown rot fungus Postia placenta. Brown rot fungi are theorized to use both free radicals and enzymes to degrade wood. If these incompatible agents are employed in sequence (enzymatic after oxidative) in order to avoid interaction, this should be resolvable spatially in rotting wo...

Wei, D.; Houtman, C.J.; Kapich, A.N.; Hunt, C.G.; Cullen, D.; Hammel, K.E., 2010: Laccase and its role in production of extracellular reactive oxygen species during wood decay by the brown rot basidiomycete Postia placenta. Brown rot basidiomycetes initiate wood decay by producing extracellular reactive oxygen species that depolymerize the structural polysaccharides of lignocellulose. Secreted fungal hydroquinones are considered one contributor because they have been...

Martinez, D.; Challacombe, J.; Morgenstern, I.; Hibbett, D.; Schmoll, M.; Kubicek, C.P.; Ferreira, P.; Ruiz-Duenas, F.J.; Martinez, A.T.; Kersten, P.; Hammel, K.E.; Vanden Wymelenberg, A.; Gaskell, J.; Lindquist, E.; Sabat, G.; Bondurant, S.Splinter.; Larrondo, L.F.; Canessa, P.; Vicuna, R.; Yadav, J.; Doddapaneni, H.; Subramanian, V.; Pisabarro, A.G.; Lavín, Jé.L.; Oguiza, Jé.A.; Master, E.; Henrissat, B.; Coutinho, P.M.; Harris, P.; Magnuson, J.Karl.; Baker, S.E.; Bruno, K.; Kenealy, W.; Ho, 2009: Genome, transcriptome, and secretome analysis of wood decay fungus Postia placenta supports unique mechanisms of lignocellulose conversion. Brown-rot fungi such as Postia placenta are common inhabitants of forest ecosystems and are also largely responsible for the destructive decay of wooden structures. Rapid depolymerization of cellulose is a distinguishing feature of brown-rot, but...