AMB Express
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Exploiting the inter-strain divergence of Fusarium oxysporum for microbial bioprocessing of lignocellulose to bioethanol
AMB Express - Tập 2 - Trang 1-9 - 2012
Microbial bioprocessing of lignocellulose to bioethanol still poses challenges
in terms of substrate catabolism. A targeted evolution-based study was
undertaken to determine if inter-strain microbial variability could be exploited
for bioprocessing of lignocellulose to bioethanol. The microorganism studied was
Fusarium oxysporum because of its capacity to both saccharify and ferment
lignocellulose...
NfiS, a species-specific regulatory noncoding RNA of Pseudomonas stutzeri, enhances oxidative stress tolerance in Escherichia coli
AMB Express - Tập 9 Số 1 - 2019
AbstractNoncoding RNAs (ncRNAs) can finely control the expression of target
genes at the posttranscriptional level in prokaryotes. Regulatory small RNAs
(sRNAs) designed to control target gene expression for applications in metabolic
engineering and synthetic biology have been successfully developed and used.
However, the effect on the heterologous expression of species- or
strain-specific ncRNAs ...
Modification of substrate specificity of l-arginine oxidase for detection of l-citrulline
AMB Express - Tập 13 - Trang 1-9 - 2023
Enzymatic detection of citrulline, a potential biomarker for various diseases,
is beneficial. However, determining citrulline levels requires expensive
instrumental analyses and complicated colorimetric assays. Although l-amino acid
oxidase/dehydrogenase is widely used to detect l-amino acids, an
l-citrulline-specific oxidase/dehydrogenase has not been reported. Therefore, in
this study, we aimed ...
Implications of various phosphoenolpyruvate-carbohydrate phosphotransferase system mutations on glycerol utilization and poly(3-hydroxybutyrate) accumulation in Ralstonia eutropha H16
AMB Express - Tập 1 - Trang 1-8 - 2011
The enhanced global biodiesel production is also yielding increased quantities
of glycerol as main coproduct. An effective application of glycerol, for
example, as low-cost substrate for microbial growth in industrial fermentation
processes to specific products will reduce the production costs for biodiesel.
Our study focuses on the utilization of glycerol as a cheap carbon source during
cultivati...
Advanced treatment of effluent extended aeration process using biological aerated filter (BAF) with natural media: modification in media, design and backwashing process
AMB Express - Tập 11 Số 1 - 2021
AbstractBiological aerated filters (BAFs) have high filtration efficiency due to
their tolerance of hydraulic and organic shocks are suitable for the treatment
of complex and sanitary wastewater. In this study, for the first time, natural
media of date kernel from Bam city was used as the BAF reactor media, with a
meshing sand filter separated by a standard metal grid from the natural filter
secti...
Polysaccharides from the leaves of Polygonatum sibiricum Red. regulate the gut microbiota and affect the production of short-chain fatty acids in mice
AMB Express - Tập 12 - Trang 1-10 - 2022
Polysaccharides from the rhizome of Polygonatum sibiricum display a variety of
biological activities, including the regulation of intestinal microbiota, but
the polysaccharides from the leaves of P. sibiricum have not been studied
extensively. Here, we extracted crude polysaccharides from the leaves of P.
sibiricum and further separated and purified them to study the effects of P.
sibiricum polysa...
Comparative analysis of the effect of Ca and Mg ions on antibacterial activity of lactic acid bacteria isolates and their associations depending on cultivation conditions
AMB Express - Tập 9 - Trang 1-11 - 2019
The effects of divalent cations of Ca and Mg on antibacterial activity of lactic
acid bacteria (LAB) isolates, as well as their different associations were
studied. Most LAB strains and associations revealed significant inhibitory
effects in MRS against Gram-positive and Gram-negative test-organisms at
different Ca2+ and Mg2+ concentrations (determined specifically for each LAB
strain and each ass...
Effect of the initial pH on the anaerobic digestion process of dairy cattle manure
AMB Express - Tập 12 - Trang 1-10 - 2022
Anaerobic digestion (AD) has recently been studied to obtain products of greater
interest than biogas, such as volatile fatty acids (VFAs) and phytoregulators.
The effect of the initial pH of cow manure and the fermentation time of the AD
on the microbial composition, VFAs, indole-3-acetic acid (IAA) and gibberellic
acid (GA3) production was evaluated. The cow manure (7% solids) was adjusted to
in...
The relationship between the violet pigment PP-V production and intracellular ammonium level in Penicillium purpurogenum
AMB Express - Tập 6 - Trang 1-7 - 2016
Penicillium purpurogenum is the fungus that produces an azaphilone pigment.
However, details about the pigment biosynthesis pathway are unknown. The violet
pigment PP-V is the one of the main pigments biosynthesized by this fungus. This
pigment contains an amino group in a pyran ring as its core structure. We
focused on this pigment and examined the relationship between intracellular
ammonium conc...
Insights into the antimicrobial effects of ceritinib against Staphylococcus aureus in vitro and in vivo by cell membrane disruption
AMB Express - Tập 12 - Trang 1-15 - 2022
According to a 2019 report from the Centers of Disease Control and Prevention
(CDC), methicillin-resistant Staphylococcus aureus (MRSA) was listed as one of
the “serious threats” that had become a global public challenge in hospitals and
community. Biofilm-associated infections and refractory persisters of S. aureus
also impede the effectiveness of conventional antibiotics that have greatly
increa...
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