Growth and biodegradation by white-rot fungi inoculated into soil

Morgan, Phil G.; Lee, Susan A.; Lewis, Stephen T.; Sheppard, Alexis N.; Watkinson, R. J.

doi:10.1016/0038-0717(93)90040-i

Cited by 80 publications

(43 citation statements)

References 7 publications

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“…However, the preferences of white-rot fungi to colonize wood might limit their capability to live in slate containing environments. Thus, other organic substrates like straw and wood shavings might have been a better carbon sources to stimulate fungal growth (Morgan et al, 1993). Our results suggest that only a small amount of fungi benefits most from glucose, which is also confirmed by results from litter degradation (Rubino et al, 2009).…”

Section: Discussionsupporting

confidence: 78%

“…Active growth and the formation of large mycelia are required for a success- ful colonization of the environment. Studies have shown that the activity of inoculated white-rot fungi was improved by the addition of glucose and mineral salts in non-sterile soils (Morgan et al, 1993). A primary carbon source is also required to establish biodegradation of recalcitrant compounds.…”

Section: Discussionmentioning

confidence: 99%

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Variable effects of labile carbon on the carbon use of different microbial groups in black slate degradation

Seifert¹,

Trumbore²,

Xu³

et al. 2011

Geochimica et Cosmochimica Acta

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Weathering of ancient organic matter contributes significantly to biogeochemical carbon cycles over geological times. The principle role of microorganisms in this process is well recognized. However, information is lacking on the contribution of individual groups of microorganisms and on the effect of labile carbon sources to the degradation process. Therefore, we investigated the contribution of fungi, Gram-positive and Gram-negative bacteria in the degradation process using a column experiment. Investigations were performed on low metamorphic black slates. All columns contained freshly crushed, sieved (0.63-2 mm), not autoclaved black slates. Two columns were inoculated with the lignite-degrading fungus Schizophyllum commune and received a culture medium containing 13 C labeled glucose, two columns received only this culture medium and two control columns received only water.The total mass balance was calculated from all carbon added to the slate and the CO 2 and DOC losses. Phospholipid fatty acids (PLFA) were extracted to investigate microbial communities. We used both the compound specific 14 C and 13 C signal of the PLFA to quantify carbon uptake from black slates and the glucose of the culture medium, respectively.The total carbon loss in these columns exceeded the amount of added carbon by approximately 60%, indicating that black slate carbon has been used. PLFA associated with Gram-positive bacteria dominated the indigenous community and took up 22% of carbon from black slate carbon, whereas PLFA of Gram-negative bacteria used only 8% of carbon from the slates. PLFA of Gram-negative bacteria and fungi were both mostly activated by the glucose addition. The added Schizophyllum did not establish well in the columns and was overgrown by the indigenous microbial community. Our results suggest that especially Gram-positive bacteria are able to live on and degrade black slate material. They also benefit from easy degradable carbon from the nutrient broth. In natural environments priming due to root exudates might consequently enhance weathering.

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Section: Discussionsupporting

confidence: 78%

Section: Discussionmentioning

confidence: 99%

Variable effects of labile carbon on the carbon use of different microbial groups in black slate degradation

Seifert¹,

Trumbore²,

Xu³

et al. 2011

Geochimica et Cosmochimica Acta

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“…These strains could grow in paraffin wax, which indicates that these strains could degrade long chain hydrocarbons. Some of them (SY 22 , SY 23 , SY 24 , SY 42, and SY 43 ) were able to use short chain hydrocarbons and aromatic hydrocarbons as substrate, so these five strains are the preferred ones for the bioremediation of oil contaminated soil. Suitable pH for the growth of these five strains was in the range from 7 to 9.…”

Section: Discussionmentioning

confidence: 99%

“…Fig.3 presents the degradation rate of TPH by seven strains. It is observed that the rates of biodegradation of SY 21 , SY 22 , SY 23, and SY 44 were higher in the second day, while the rates of SY 42 and SY 43 were higher in day 4, while in day 6, the highest degradation rate was shown by strain SY 24 . The average degradation rates of TPH were within 0.01~0.1 g·kg -1 ·d -1 , which are higher than degradation data previously reported [8][9][10] , consequently these strains could degrade TPH more rapidly.…”

Section: Fig 1 the Biodegradation Efficiency Of The Strains Evaluatedmentioning

confidence: 93%

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Bioremediation of Crude Oil Contaminated Soil by Petroleum-Degrading Active Bacteria

Xu¹

2012

Introduction to Enhanced Oil Recovery (EOR) Processes and Bioremediation of Oil-Contaminated Sites

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Microbial Diversity and Global Environmental Issues

Ogunseitan¹

2004

Microbial Diversity

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Growth and biodegradation by white-rot fungi inoculated into soil

Cited by 80 publications

References 7 publications

Variable effects of labile carbon on the carbon use of different microbial groups in black slate degradation

Variable effects of labile carbon on the carbon use of different microbial groups in black slate degradation

Bioremediation of Crude Oil Contaminated Soil by Petroleum-Degrading Active Bacteria

Microbial Diversity and Global Environmental Issues

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