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Article
Genomic basis for the unique phenotype of the alkaliphilic purple nonsulfur bacterium Rhodobaca bogoriensis
Although several species of purple sulfur bacteria inhabit soda lakes, Rhodobaca bogoriensis is the first purple nonsulfur bacterium cultured from such highly alkaline environments. Rhodobaca bogoriensis strain L...
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Article
Correction to: Allochromatium tepidum, sp. nov., a hot spring species of purple sulfur bacteria
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Article
Pseudonocardia humida sp. nov., an Actinomycete Isolated from Mangrove Soil Showing Distinct Distribution Pattern of Biosynthetic Gene Clusters
A novel actinomycete strain, designated S2‐4T, was isolated from a mangrove soil sample, and a polyphasic approach was employed to determine its taxonomic position. Phylogenetic analysis based on 16S rRNA gene in...
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Article
Allochromatium tepidum, sp. nov., a hot spring species of purple sulfur bacteria
We describe a new species of purple sulfur bacteria (Chromatiaceae, anoxygenic phototrophic bacteria) isolated from a microbial mat in the sulfidic geothermal outflow of a hot spring in Rotorua, New Zealand. This...
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Article
Quantitative proteomic analysis reveals that serine/threonine kinase is involved in Streptococcus suis virulence and adaption to stress conditions
The eukaryotic-type serine/threonine kinase of Streptococcus suis serotype 2 (SS2) performs critical roles in bacterial pathogenesis. In this study, isobaric tags for relative and absolute quantification (iTRA...
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Article
Blastochloris tepida, sp. nov., a thermophilic species of the bacteriochlorophyll b-containing genus Blastochloris
A new taxon is created for the thermophilic purple nonsulfur bacterium previously designated as Rhodopseudomonas strain GI. Strain GI was isolated from a New Mexico (USA) hot spring microbial mat and grows optima...
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Article
Ethanol effects on the overexpression of heterologous catalase in Escherichia coli BL21 (DE3)
A novel method involving ethanol-induced increase in the heterologous recombinant protein expression in E. coli cells was commonly used in recent studies. However, the detailed mechanism of this method is still t...
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Article
Construction of a plasmid interspecific transfer system in Bacillus species with the counter-selectable marker mazF
Bacillus sp. strains as attractive hosts for the production of heterologous secretory proteins usually play important roles in bio-industry. However, low transformation efficiency of exogenous plasmids limited th...
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Article
Roseovarius lacus sp. nov., isolated from Yuncheng Saline Lake, China
Strain GSS12T, a Gram-negative, aerobic, non-flagellated, ovoid- to rod-shaped (0.5–0.7 × 0.9–3.0 µm) bacterium, was isolated from Yuncheng Saline Lake, China. Growth occurred with 0.5–16.0 % (w/v) NaCl (optimum ...
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Article
High level extracellular production of a truncated alkaline β-mannanase from alkaliphilic Bacillus sp. N16-5 in Escherichia coli by the optimization of induction condition and fed-batch fermentation
To improve the extracellular production of alkaline β-mannanase from alkaliphilic Bacillus sp. N16-5 in Escherichia coli, two truncated recombinant mannanases (32a-ManAR2 and 22b-ManAR2) were obtained. Compared w...
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Article
Open AccessHighly efficient lipid production in the green alga Parachlorella kessleri: draft genome and transcriptome endorsed by whole-cell 3D ultrastructure
Algae have attracted attention as sustainable producers of lipid-containing biomass for food, animal feed, and for biofuels. Parachlorella kessleri, a unicellular green alga belonging to the class Trebouxiophycea...
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Article
Anaerobic humus and Fe(III) reduction and electron transport pathway by a novel humus-reducing bacterium, Thauera humireducens SgZ-1
In this study, an anaerobic batch experiment was conducted to investigate the humus- and Fe(III)-reducing ability of a novel humus-reducing bacterium, Thauera humireducens SgZ-1. Inhibition tests were also perfor...
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Article
A method to label biological molecules with dsDNA coated gold nanoparticles
We described a new method to label biological molecules using gold nanoparticles (GNPs) and double stranded DNA. Researchers can conveniently label their own samples with GNPs using this method. The label is b...
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Article
Open AccessA strategy for enhanced circular DNA construction efficiency based on DNA cyclization after microbial transformation
With the rapid development of synthetic biology, the demand for assembling multiple DNA (genes) fragments into a large circular DNA structure in one step has dramatically increased. However, for constructions ...
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Article
Source identification of bacterial and viral pathogens and their survival/fading in the process of wastewater treatment, reclamation, and environmental reuse
Pathogenic safety is drawing wide concern in water reclamation and reuse. In order to elucidate survive/fade of pathogens during the processes of wastewater treatment and reclamation, general indicators (fecal...
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Article
Planifilum caeni sp. nov., A Novel Member of Thermoactinomycete Isolated from Sludge Compost
A Gram positive, thermophilic, and filamentous bacterium, designated strain GIESS004T, was isolated from a sludge compost from Guangzhou, China. Growth occurred at 45–55 °C (optimum 50–53 °C) and pH 6.0–10.0 (opt...
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Article
A genome-wide transcriptomic analysis reveals diverse roles of the two-component system DraR-K in the physiological and morphological differentiation of Streptomyces coelicolor
A novel two-component system (TCS) of DraR-K was previously identified as playing differential roles in the biosynthesis of antibiotics (blue-pigmented type II polyketide actinorhodin (ACT), red-pigmented trip...
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Article
Bacillus thermophilum sp. nov., isolated from a microbial fuel cell
A novel thermophilic, Gram-staining positive bacterium, designated DX-2T, was isolated from the anode biofilm of a microbial fuel cell. Cells of the strain were oxidase positive, catalase positive, facultative an...
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Article
Open AccessSingle-step bioconversion of lignocellulose to hydrogen using novel moderately thermophilic bacteria
Consolidated bioprocessing (CBP) of lignocellulosic biomass to hydrogen offers great potential for lower cost and higher efficiency compared to processes featuring dedicated cellulase production. Current studi...
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Article
Open AccessGenetically sha** morphology of the filamentous fungus Aspergillus glaucus for production of antitumor polyketide aspergiolide A
For filamentous fungi, the basic growth unit of hyphae usually makes it sensitive to shear stress which is generated from mechanical force and dynamic fluid in bioreactor, and it severely decreases microbial p...