18 Result(s)
within
Ru-Jia **e
Life Sciences
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Article
Micrococcus lacusdianchii sp. nov., an attached bacterium inhibited by metabolites from its symbiotic algae
A novel actinobacterial strain, designated as JXJ CY 30 T, was isolated from the phycosphere of Microcystis aeruginosa FACHB-905 (Maf) collected from Lake Dianchi, China. The strain was a Gram-stain-positive, aer...
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Open AccessA newly discovered glycosyltransferase gene UGT88A1 affects growth and polysaccharide synthesis of Grifola frondosa
Grifola frodosa polysaccharides, especially β-D-glucans, possess significant anti-tumor, antioxidant and immunostimulatory activities. However, the synthesis mechanism remains to be elucidated. A newly discovered...
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Devosia lacusdianchii sp. nov., an attached bacterium inhibited by metabolites from its symbiotic Microcystis
A novel alphaproteobacterial strain JXJ CY 41T was isolated from a culture mass of Microcystis, collected from Lake Dianchi, south-west, China. Strain JXJ CY 41T was gram-strain-negative, aerobic, motile, with ro...
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Article
Tuning Thermostability and Catalytic Efficiency of Aflatoxin-Degrading Enzyme by Error-prone PCR
In our previous work, a recombinant aflatoxin-degrading enzyme derived from Myxococcus fulvus (MADE) was reported. However, the low thermal stability of the enzyme had limitations for its use in industrial applic...
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Enhancing bacterial cellulose production with hypoxia-inducible factors
Komagataeibacter xylinus is an aerobic strain that produces bacterial cellulose (BC). Oxygen levels play a critical role in regulating BC synthesis in K. xylinus, and an increase in oxygen tension generally means...
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The production of bacterial cellulose in Gluconacetobacter xylinus regulated by luxR overexpression of quorum sensing system
Quorum sensing is a mechanism that facilitates cell-to-cell communication. Through signal molecular density for signal recognition, which leads to the regulation of some physiological and biochemical functions. G...
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Open AccessPopulation dynamics and habitat use of the Black-necked Crane (Grus nigricollis) in the Yarlung Tsangpo River basin, Tibet, China
The Black-necked Crane (Grus nigricollis) is an internationally threatened crane living on the plateau, mainly in winter, in the Yarlung Tsangpo River basin in Tibet, western China. In the past five years, some e...
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Wireless nanopore electrodes for analysis of single entities
Measurements of a single entity underpin knowledge of the heterogeneity and stochastics in the behavior of molecules, nanoparticles, and cells. Electrochemistry provides a direct and fast method to analyze sin...
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Applications of cellulose and chitin/chitosan derivatives and composites as antibacterial materials: current state and perspectives
The bacterial infections have always a serious problem to public health. Scientists are develo** new antibacterial materials to overcome this problem. Polysaccharides are promising biopolymers due to their d...
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Comparative proteomic analysis of Nostoc flagelliforme reveals the difference in adaptive mechanism in response to different ultraviolet-B radiation treatments
Nostoc flagelliforme is a pioneer organism in the desert and highly resistant to ultraviolet B (UV-B) radiation, while the involved adaptive mechanism has not been fully explored yet. To elucidate the responsive...
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Applying the strategy of light environment control to improve the biomass and polysaccharide production of Nostoc flagelliforme
The strategy of light environment control was applied to improve biomass and extracellular polysaccharides (EPS) production of the cyanobacterium Nostoc flagelliforme by adjusting multiple wavelengths (red 660 nm...
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Article
Comparison of bacterial community structures of terrestrial cyanobacterium Nostoc flagelliforme in three different regions of China using PCR-DGGE analysis
Filamentous Nostoc flagelliforme form colloidal complex, with beaded cells interacting with other bacteria embedded in the complex multilayer sheath. However, the species of bacteria in the sheath and the interac...
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Metabolomic approach to optimizing and evaluating antibiotic treatment in the axenic culture of cyanobacterium Nostoc flagelliforme
The application of antibiotic treatment with assistance of metabolomic approach in axenic isolation of cyanobacterium Nostoc flagelliforme was investigated. Seven antibiotics were tested at 1–100 mg L−1, and orde...
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Article
Circulating microparticles in patients with coronary heart disease and its correlation with interleukin-6 and C-reactive protein
Microparticles (MPs) are vesicles released from activated or apoptotic cells. MP derive from various cells, most notably platelets, but also leucocytes, lymphocytes, erythrocytes, and endothelial cells. The ai...
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Metabolic flux analysis of Gluconacetobacter xylinus for bacterial cellulose production
Metabolic flux analysis was used to reveal the metabolic distributions in Gluconacetobacter xylinus (CGMCC no. 2955) cultured on different carbon sources. Compared with other sources, glucose, fructose, and glyce...
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Article
Spikes with short inter-spike intervals in frog retinal ganglion cells are more correlated with their adjacent neurons’ activities
Correlated firings among neurons have been extensively investigated; however, previous studies on retinal ganglion cell (RGC) population activities were mainly based on analyzing the correlated activities betw...
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Alternative splicing of the antitrypsin gene in the silkworm, Bombyx mori
Alternative splicing plays an important role in expanding protein diversity. In the present study, different splice variants of the antitrypsin gene (sw-AT) in the silkworm were identified by bioinformatics analy...
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Synergistic up-regulation of muscle LIM protein expression in C2C12 and NIH3T3 cells by myogenin and MEF2C
Although the role of muscle LIM protein (MLP, also known as CRP3), a LIM-only protein of LIM domain-containing protein family, is well-characterized, the mechanism by which the MLP gene expresses remains uncle...
