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Thermus amyloliquefaciens sp. nov., isolated from a hot spring sediment sample.
Yu, Tian-Tian,Ming, Hong,Yao, Ji-Cheng,Zhou, En-Min,Park, Dong-Jin,Hozzein, Wael N,Kim, Chang-Jin,Wadaan, Mohammed A M,Li, Wen-Jun Society for General Microbiology 2015 International journal of systematic and evolutiona Vol.65 No.8
<P>A Gram-stain-negative, aerobic bacterium, designated strain YIM 77409T, was isolated from the Niujie hot spring in the Eryuan county of Dali, Yunnan province, south-west China. Cells of the strain were rod-shaped and colonies were yellow and circular. The strain grew at pH?6.0-8.0 (optimum, pH?7.0) and 50-70C (optimum, 60-65C). The predominant menaquinone was MK-8 and the DNA G+C content was 66.4?mol%. Major fatty acids (>10?%) were iso-C15?:?0 and iso-C17?:?0.The polar lipids consisted of one aminophospholipid, one phospholipid and two glycolipids. 16S rRNA gene sequence analysis showed that strain YIM 77409T formed a cluster with Thermus scotoductus DSM 8553T, Thermus antranikianii DSM 12462T, Thermus caliditerrae YIM 77925T and Thermus tengchongensis YIM 77924T, with highest 16S rRNA gene sequence similarity to T. scotoductus DSM 8553T (97.57?%). However, DNA-DNA hybridization indicated that strain YIM 77409T should be viewed as a representative of a novel species, as there was only 30.6??1.6?% reassociation with T. scotoductus DSM 8553T. On the basis of the morphological and chemotaxonomic characteristics, as well as the genotypic data, it is proposed that strain YIM 77409T represents a novel species of the genus Thermus, with the name Thermus amyloliquefaciens sp. nov. The type strain is YIM 77409T (?=?DSM 25898T?=?KCTC 32024T).</P>
Information Fusion Filter for Multi-rate Multi-sensor Systems
Jing Ma,Hao Jin,Tian Tian,Wei Zhang 보안공학연구지원센터 2015 International Journal of Multimedia and Ubiquitous Vol.10 No.1
This paper is concerned with the information fusion filtering problem for a class of multi-rate multi-sensor systems, where the system is described at the highest sampling rate and different sensors may have different lower sampling rates. Firstly, the local filters (LFs) at state updating points are proposed by using the LFs at measurement sampling points. Then, the distributed suboptimal fusion filter is obtained by the well-known covariance intersection fusion (CIF) algorithm. The filtering error variance matrices are derived to obtain the fusion weights. The computational cost is reduced since the cross-covariance matrices between any two local filters are avoided. Simulation example verifies the correctness and feasibility of the proposed algorithm.
Family History and Stroke Risk in China: Evidence from a Large Cohort Study
Tian Tian,Guangfu Jin,Canqing Yu,Jun Lv,Yu Guo,Zheng Bian,Ling Yang,Yiping Chen,Hongbing Shen,Zhengming Chen,Zhibin Hu,Liming Li 대한뇌졸중학회 2017 Journal of stroke Vol.19 No.2
Background and Purpose Large cohort studies on relationship between family history of stroke(FHS) and stroke risk are lacking in Asians. We aimed to systematically evaluate the association ofFHS with stroke risk in a cohort study of 0.5 million Chinese adults. Methods Information about FHS was self-reported. The median follow-up time was 7.16 years andthe end-point of follow-up was incident stroke, which was entered directly into the China KadoorieBiobank system. Multivariate analyses were performed with Cox proportional hazards model, andinteraction analyses were carried using likelihood-ratio tests. Results Compared with participants without FHS, the hazard ratio (HR) (95% confidence interval,CI) of stroke for participants with FHS was 1.50 (1.46-1.55). The HRs increased with the number offirst degree relatives with stroke (HRs=1.41, 1.98 and 2.47 for 1, 2 and ≥3 relatives, respectively,Ptrend <0.001). The HRs were 1.57 (95% CI: 1.50-1.66) and 1.49 (95% CI: 1.45-1.54) for siblinghistory and parental history, respectively. Similar associations with offspring stroke risk wereobserved between paternal history (HR=1.48, 95% CI: 1.43-1.54) and maternal history (HR=1.49,95% CI: 1.43-1.55). Moreover, significant interactions were detected between FHS and health-riskbehaviors (tobacco smoking and alcohol drinking). Conclusions FHS is an independent risk factor for stroke in Chinese. The more first degree relativesare affected by stroke, the higher are individuals’ risk of suffering from stroke. The management ofthe health-risk behaviors for reducing stroke should be highlighted, especially for the individualswith FHS.
Jin, Fan-Long,Pang, Qing-Qing,Zhang, Tian-Yi,Park, Soo-Jin Elsevier 2015 Journal of industrial and engineering chemistry Vol.32 No.-
<P><B>Abstract</B></P> <P>Bio-based poly(lactic acid) (PLA) ternary systems were prepared by the solution blending of PLA, polybutylene succinate (PBS), and nano-CaCO<SUB>3</SUB>. The effects of PBS and nano-CaCO<SUB>3</SUB> on the thermal stability, fracture toughness, mechanical properties, and morphology of PLA were investigated using several techniques. The morphology of the systems was observed by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The fracture toughness and flexural strength of PLA were improved by the introduction of PBS and further enhanced by the addition of nano-CaCO<SUB>3</SUB>. The elastic modulus of PLA decreased with the addition of PBS alone, whereas the elastic modulus increased with the simultaneous addition of PBS and nano-CaCO<SUB>3</SUB>.</P> <P><B>Graphical abstract</B></P> <P>The fracture toughness of PLA was improved by the introduction of PBS and further enhanced by the addition of nano-CaCO<SUB>3</SUB>.</P>
Design and Implementation of A System Configuration Manager
Tian, Jin Lan 대한전자공학회 1992 HICEC:Harbin International Conference on Electroni Vol.1 No.1
The aim of the ConMan (a system Configuration Manager) system is helping people to ensure consistency between projects and environment. In this paper we give the description of a design and Implementation of a system configuration manager.
( Tian Zhou Liu ),( Bang Xing Wang ),( Jin Tao Guo ),( Yang Zhou ),( Mugweru Julius ),( Moses Njire ),( Yuan Yuan Cao ),( Tian Wu ),( Zhi Yong Liu ),( Chang Wei Wang ),( Yong Xu ),( Tian Yu Zhang ) 한국미생물 · 생명공학회 2015 Journal of microbiology and biotechnology Vol.25 No.9
The combination of trimethoprim (TMP) and sulfamethoxazole (SMX) has been shown to be active against Mycobacterium tuberculosis (Mtb) in clinical tuberculosis (TB) treatment. However, the mechanism of action of TMP-SMX against Mtb is still unknown. To unravel this, we have studied the effect of TMP and SMX by deleting the folP2 gene in Mycobacterium smegmatis (Msm), and overexpressing the Mtb and Msm folP1/2 genes in Msm. Knocking out of the folP2 gene in Msm reduced the minimum inhibitory concentration of SMX 8-fold compared with wild type. Overexpression of the folP1 genes from Mtb and Msm increased the MICs by 4- and 2-fold in Msm for SMX and TMP, respectively. We show a strong correlation between the expression of folP1 and folP2 genes and TMP-SMX resistance in mycobacteria. This suggests that a combination of FolP2 inhibitor and SMX could be used for TB treatment with a better outcome.
A Typhoon Recognition and Center Position Method based on Fengyun-2 Satellites Data
Wei Tian,Liguang Wu,Weican Zhou,Yuhui Zheng,Jin Wang 보안공학연구지원센터 2014 International Journal of u- and e- Service, Scienc Vol.7 No.6
The recognition and center position methods of typhoon with high accuracy are essential for forecasting and monitoring of tropical cyclones (TCs) in the meteorological applications. We designed the improved adaptive threshold processing algorithms and segmentation of typhoon cloud system by using two value image connecting region labeling algorithm. It shows potential ability in typhoon cloud feature and the recognition of typhoon cloud system in northern hemisphere. We also designed algorithms of locating typhoon center by mathematical morphology. Experimental results show that the typhoon cloud system can be effectively recognized on could imagery and the center of cloud imagery can also be located by the proposed method. Our analysis indicated that typhoon recognition and center position accuracy based on FY-2 satellites data were high recognition rate and accuracy of the center location, and the methods can be applied to meteorological business systems.