Abstract:
:The demand of renewable energy sources, i.e. biomass, is steadily increasing worldwide to reduce the need of fossil energy sources. Biomass such as energy crops, woody species, forestry and agricultural residues are the most common renewable energy sources. Due to uneven demand for wood fuel, the material is mostly stored outdoors in chip piles or as logs until utilisation. Storage of biomass is accompanied by chemical, physical and biological processes which can significantly reduce the fuel quality. However, heating plants require high-quality biomass to ensure efficient operation, thereby minimising maintenance costs. Therefore, optimised storage conditions and duration times for chipped wood and tree logs have to be found. This paper aims at reviewing available knowledge on the pathways of microbial effects on stored woody biomass and on investigations of the fungal and bacterial community structure and identity. Moreover, potential functions of microorganisms present in wood chip piles and logs are discussed in terms of (1) reduction of fuel quality, (2) catalysing self-ignition processes, and (3) constituting health risk and unfriendly work environment.
journal_name
Appl Microbiol Biotechnoljournal_title
Applied microbiology and biotechnologyauthors
Noll M,Jirjis Rdoi
10.1007/s00253-012-4164-3subject
Has Abstractpub_date
2012-08-01 00:00:00pages
551-63issue
3eissn
0175-7598issn
1432-0614journal_volume
95pub_type
杂志文章,评审abstract::Fossil fuel reserves depletion, global warming, unrelenting population growth, and costly and problematic waste recycling call for renewable resources of energy and consumer products. As an alternative to the 100 % oil economy, production processes based on biomass can be developed. Huge amounts of lignocellulosic was...
journal_title:Applied microbiology and biotechnology
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abstract::The host innate immune response either clears invading viruses or allows the adaptive immune system to establish an effective antiviral response. In this study, both pathogenic (passage 3, P3) and attenuated (P110) infectious bronchitis virus (IBV) strains were used to study the immune responses of chicken to IBV infe...
journal_title:Applied microbiology and biotechnology
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abstract::The pyrene-degrading Mycobacterium strain AP1 was found to utilize fluoranthene as a sole source of carbon and energy. Identification of metabolites formed from fluoranthene (by growing cells and washed-cell suspensions), the kinetics of metabolite accumulation, and metabolite-feeding studies all indicated that strain...
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abstract::The membraneless bioelectrochemical reactor (Ml-BER) is useful for dark hydrogen fermentation. The effect of the electrochemical reaction on microorganisms in the Ml-BER was investigated using glucose as the substrate and compared with organisms in a membraneless non-bioelectrochemical reactor (Ml-NBER) and bioelectro...
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abstract::The basidiomycetous fungus Pseudozyma aphidis is able to convert vegetable oils to abundant amounts of the biosurfactant mannosylerythritol lipid (MEL) with a unique product pattern of MEL-A, MEL-B, MEL-C, and MEL-D. To investigate the metabolism of MEL production, we analyzed the transcriptome of P. aphidis DSM 70725...
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abstract::Dengue viruses are emerging mosquito-borne pathogens belonging to Flaviviridae family which are transmitted to humans via the bites of infected mosquitoes Aedes aegypti and Aedes albopictus. Because of the wide distribution of these mosquito vectors, more than 2.5 billion people are approximately at risk of dengue inf...
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abstract::Two recombinant Aeropyrum pernix glutamate dehydrogenase (GDH) enzymes with different length N-termini were cloned and expressed in Escherichia coli: sGDH begins with the amino acid sequence of the extracted native enzyme (M-Q-P-T-D-P-L-E-E), whereas lGDH begins with the sequence of the predicted ORF (M-E-V-L-A-L-Q-P-...
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abstract::The polyene macrolide rimocidin, produced by Streptomyces rimosus M527, was found to be highly effective against a broad range of fungal plant pathogens. Current understanding of the regulatory mechanism of rimocidin biosynthesis and morphological differentiation in S. rimosus M527 is limited. NsdA is considered a neg...
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abstract::Two bioactive O-methylflavonoids, sakuranetin (7-O-methylnaringenin) and ponciretin (7-O-methylnaringenin), were synthesized in Escherichia coli. Sakuranetin inhibits germination of Magnaporthe grisea, and ponciretin is a potential inhibitor of Helicobacter pylori. To achieve this, we reconstructed the naringenin bios...
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更新日期:2013-08-01 00:00:00
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abstract::Polyhydroxyalkanoate (PHA) synthases catalyze chain transfer (CT) reaction after polymerization reaction of PHA by transferring PHA chain from PHA synthase to a CT agent, resulting in covalent bonding of CT agent to PHA chain at the carboxyl end. Previous studies have shown that poly(ethylene glycol) (PEG) is an effec...
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doi:10.1007/s00253-010-2601-8
更新日期:2010-07-01 00:00:00
abstract::The first two steps in xylose metabolism are catalyzed by NAD(P)H-dependent xylose reductase (XR) (EC 1.1.1.21) and NAD(P)-dependent xylitol dehydrogenase (XDH) (EC 1.1.1.9), which lead to xylose-->xylitol-->xylulose conversion. Xylitol has high commercial value, due to its sweetening and anticariogenic properties, as...
journal_title:Applied microbiology and biotechnology
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更新日期:2004-11-01 00:00:00
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更新日期:2007-12-01 00:00:00
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abstract:INTRODUCTION:Hitherto the production of the biopolymer cyanophycin (CGP) using recombinant Escherichia coli strains and cheap mineral salts medium yielded only trace amounts of CGP (<0.5%, w/w) of the cell dry matter (CDM). This was probably due to the instability of the plasmids encoding the cyanophycin synthetase. M...
journal_title:Applied microbiology and biotechnology
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更新日期:2011-02-01 00:00:00
abstract::A histidine oligopeptide (hexa-His) with the ability to chelate divalent heavy metal ions was displayed on the yeast cell surface for the purpose of enhanced adsorption of heavy metal ions. We genetically fused a hexa-His-encoding gene with the gene encoding the C-terminal half of alpha-agglutinin that includes a glyc...
journal_title:Applied microbiology and biotechnology
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更新日期:2001-12-01 00:00:00
abstract::The alpha-amylase of Streptomyces sp. IMD 2679 was subject to catabolite repression. Four different growth rates were achieved when the organism was grown at 40 degrees C and 55 degrees C in the presence and absence of cobalt, with an inverse relationship between alpha-amylase production and growth rate. Highest alpha...
journal_title:Applied microbiology and biotechnology
pub_type: 杂志文章
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更新日期:1997-10-01 00:00:00
abstract::Lipophilic extractives in wood and other lignocellulosic materials exert a negative impact in pulp and paper manufacturing causing the so-called pitch problems. In this work, the appropriateness of an enzymatic treatment using the laccase-mediator system for pitch biocontrol is evaluated. With this purpose, three pulp...
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pub_type: 杂志文章
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abstract::A novel heterotrophic bacterium capable of heterotrophic nitrification and aerobic denitrification was isolated from ammonium contaminated landfill leachate and physiochemical and phylogenetically identified as Zobellella taiwanensis DN-7. DN-7 converted nitrate, nitrate, and ammonium to N2 as the primary end product....
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pub_type: 杂志文章
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abstract::Some strains belonging to the genera Citrobacter and Enterobacter have been reported to produce chitin/chitosan-like bioflocculants (BFs) from acetate. In this study, to investigate the distribution of the BF-producing potential in the genus Citrobacter and to screen stably and highly BF-producing strains, we obtained...
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更新日期:2013-11-01 00:00:00
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pub_type: 杂志文章
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更新日期:2008-05-01 00:00:00
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pub_type: 杂志文章,评审
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更新日期:1994-02-01 00:00:00
abstract::Poly(ɛ-L-lysine) (ɛ-PL) is an unusual biopolymer composed of L-lysine connected between α-carboxyl and ɛ-amino groups. It has been used as a preservative in food and cosmetics industries, drug carrier in medicines, and gene carrier in gene therapy. Modern biotechnology has significantly improved the synthetic efficien...
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pub_type: 杂志文章,评审
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更新日期:2016-08-01 00:00:00