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Processing of the major autolysin of E. faecalis, AtlA, by the zinc-metalloprotease, GelE, impacts AtlA septal localization and cell separation

. Stinemetz, Peng Gao, Kenneth L. Pinkston, Barrett R. Harvey. Data curation: Emily K. Stinemetz, Peng Gao, Kenneth L. Pinkston, Barrett R. Harvey. Formal analysis: Barrett R. Harvey. Funding acquisition ... : Barbara E. Murray, Barrett R. Harvey. Investigation: Emily K. Stinemetz, Peng Gao, Kenneth L. Pinkston, Maria Camila Montealegre. Methodology: Emily K. Stinemetz, Peng Gao, Kenneth L. Pinkston, Maria

Engineering biomimetic periosteum with β-TCP scaffolds to promote bone formation in calvarial defects of rats

Background There is a critical need for the management of large bone defects. The purpose of this study was to engineer a biomimetic periosteum and to combine this with a macroporous β-tricalcium phosphate (β-TCP) scaffold for bone tissue regeneration. Methods Rat bone marrow-derived mesenchymal stem cells (rBMSCs) were harvested and cultured in different culture media to form ...

Functional studies of E. faecalis RNase J2 and its role in virulence and fitness

Post-transcriptional control provides bacterial pathogens a method by which they can rapidly adapt to environmental change. Dual exo- and endonucleolytic activities of RNase J enzymes contribute to Gram-positive RNA processing and decay. First discovered in Bacillus subtilis, RNase J1 plays a key role in mRNA maturation and degradation, while the function of the paralogue RNase J2 ...

Compliance control based on PSO algorithm to improve the feeling during physical human–robot interaction

Robots play more important roles in daily life and bring us a lot of convenience. But when people work with robots, there remain some significant differences in human–human interactions and human–robot interaction. It is our goal to make robots look even more human-like. We design a controller which can sense the force acting on any point of a robot and ensure the robot can move ...

Radio-protective effect and mechanism of 4-Acetamido-2,2,6,6- tetramethylpiperidin-1-oxyl in HUVEC cells

radicals during styrene oxidation . Russ J Phys Chem B . 2012 ; 6 : 376 - 83 . 20. Haibo Wang , Yujing Jia , Peng Gao , Ying Cheng , Min Cheng , Chengtao Lu , Siyuan Zhou , Xiaoli Sun . Synthesis

Comparative transcriptome analysis of two contrasting watermelon genotypes during fruit development and ripening

Background Watermelon [Citrullus lanatus (Thunb.) Matsum. & Nakai] is an economically important crop with an attractive ripe fruit that has colorful flesh. Fruit ripening is a complex, genetically programmed process. Results In this study, a comparative transcriptome analysis was performed to identify the regulators and pathways that are involved in the fruit ripening of ...

08SG2/OsBAK1 regulates grain size and number, and functions differently in Indica and Japonica backgrounds in rice

Background Both grain size and grain number are significant for rice yield. In the past decade, a number of genes related to grain size and grain number have been documented, however, the regulatory mechanisms underlying them remains ambiguous. Results We identified a rice small grain (sg2) mutant in an EMS mutant library generated from an indica variety, Shuhui498. Using the ...

Soldiers’ employment attitude and employability: An exploratory study

Journal of Industrial Engineeringand Management JIEM 2013-0953 Soldiers' Employment Attitude and Employability: An Exploratory Study Peng Gao 0 Lunqu Yuan 0 0 School of Economics and Management

Driving Forces of Dynamic Changes in Soil Erosion in the Dahei Mountain Ecological Restoration Area of Northern China Based on GIS and RS

Dynamic change in soil erosion is an important focus of regional ecological restoration research. Here, the dynamic changes of soil erosion and its driving forces in the Dahei Mountain ecological restoration area of northern China were analyzed by LANDSAT TM remote sensing captured via geographic information system (GIS) technologies during three typical periods in 2004, 2008 and ...

Mass-spectrometry-based microbial metabolomics: recent developments and applications

Metabolomics is an omics technique aiming at qualitatively and quantitatively describing a metabolome by various analytical platforms. It is an indispensable component of modern systems biology. Microbial metabolomics can be roughly classified as metabolic footprint analysis and metabolic fingerprint analysis depending on the analyte origins. Both of them have been beneficial to ...

Transanal total mesorectal excision (taTME) for rectal cancer: a systematic review and meta-analysis of oncological and perioperative outcomes compared with laparoscopic total mesorectal excision

Background Transanal total mesorectal excision (taTME) is an emerging surgical technique for rectal cancer. However, the oncological and perioperative outcomes are controversial when compared with conventional laparoscopic total mesorectal excision (laTME). Methods A systematic review and meta-analysis based on Preferred Reporting Items for Systematic Reviews and Meta-analyses ...

Digital Mapping of Soil Salinity and Crop Yield across a Coastal Agricultural Landscape Using Repeated Electromagnetic Induction (EMI) Surveys

Reliable and real-time information on soil and crop properties is important for the development of management practices in accordance with the requirements of a specific soil and crop within individual field units. This is particularly the case in salt-affected agricultural landscape where managing the spatial variability of soil salinity is essential to minimize salinization and ...

Inhibition of STAT3- and MAPK-dependent PGE 2 synthesis ameliorates phagocytosis of fibrillar β-amyloid peptide (1-42) via EP2 receptor in EMF-stimulated N9 microglial cells

Background Prostaglandin E 2 (PGE 2 )-involved neuroinflammatory processes are prevalent in several neurological conditions and diseases. Amyloid burden is correlated with the activation of E-prostanoid (EP) 2 receptors by PGE 2 in Alzheimer’s disease. We previously demonstrated that electromagnetic field (EMF) exposure can induce pro-inflammatory responses and the depression of ...

Band Gap Characters and Ferromagnetic/Antiferromagnetic Coupling in Group-IV Monolayers Tuned by Chemical Species and Hydrogen Adsorption Configurations

One-side semihydrogenated monolayers of carbon, silicon, germanium, and their binary compounds with different configurations of hydrogen atoms are investigated by density functional theory. Among three considered configurations, zigzag, other than the most studied chair configuration, is energetically the most favorable structure of one-side semihydrogenation. Upon ...

A note on l p norms of weighted mean matrices

We present some results concerning the l p norms of weighted mean matrices. These results can be regarded as analogues to a result of Bennett concerning weighted Carleman's inequalities. 2000 Mathematics Subject Classification: Primary 47A30.

Depressed Hypoxic and Hypercapnic Ventilatory Responses at Early Stage of Lethal Avian Influenza A Virus Infection in Mice

H5N1 virus infection results in ~60% mortality in patients primarily due to respiratory failure, but the underlying causes of mortality are unclear. The goal of this study is to reveal respiratory disorders occurring at the early stage of infection that may be responsible for subsequent respiratory failure and death. BALB/c mice were intranasally infected with one of two H5N1 virus ...

Which is better for gastric cancer patients, perioperative or adjuvant chemotherapy: a meta-analysis

Background The preferred chemotherapy method for gastric cancer continues to be matter of debate. We performed a meta-analysis to comparing prognosis and safety between perioperative chemotherapy and adjuvant chemotherapy to identify the better chemotherapy option for gastric cancer. Methods We searched the PubMed, EMBASE, Cochrane Library, and Ovid databases for eligible studies ...

Clinicopathologic characteristics and prognosis of Borrmann type IV gastric cancer: a meta-analysis

. Methods Search strategy Two investigators (Yifan Luo and Peng Gao) performed independent searches of the electronic databases (PubMed and Embase) from inception to January 2015. The search strategy

On an inequality suggested by Littlewood

We study an inequality suggested by Littlewood, our result refines a result of Bennett. 2000 Mathematics Subject Classification. Primary 26D15.

A Note on Mixed-Mean Inequalities

We give a simpler proof of a result of Holland concerning a mixed arithmetic-geometric mean inequality. We also prove a result of mixed-mean inequality involving the symmetric means.