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Streptomyces xinghaiensis sp. nov., isolated from marine sediment.
Zhao, Xin-Qing,Li, Wen-Jun,Jiao, Wen-Ce,Li, Yan,Yuan, Wen-Jie,Zhang, Yu-Qin,Klenk, Hans-Peter,Suh, Joo-Won,Bai, Feng-Wu Society for General Microbiology 2009 International journal of systematic and evolutiona Vol.59 No.11
<P>A novel actinomycete, strain S187(T), was isolated from a marine sediment sample collected from Xinghai Bay, Dalian, China. Growth occurred on ISP medium 2 containing 0-9 % NaCl and at pH 6.0-9.0 and 10-45 degrees C. The cell wall of strain S187(T) contained the isomer ll-diaminopimelic acid as the diagnostic diamino acid. The predominant menaquinones were MK-9(H(6)) (40.8 %), MK-9(H(8)) (38.2 %) and MK-9(H(2)) (8.8 %). The major fatty acids were iso-C(16 : 0) (29.6 %), anteiso-C(15 : 0) (14.0 %) and anteiso-C(17 : 0) (11.6 %). Cells contained phosphatidylethanolamine, phosphatidylinositol, phosphatidylglycerol, phosphatidylinositol mannosides and one unknown phospholipid. The G+C content of the genomic DNA was 72.01 mol%. The 16S rRNA gene sequence of the isolate had similarities of 98.1 and 97.5 % with those of Streptomyces flavofuscus NRRL B-8036(T) (=DSM 41426(T)) and Streptomyces albiaxialis DSM 41799(T), respectively, showing that the novel strain should be assigned to the genus Streptomyces. DNA-DNA hybridizations with the two above-mentioned Streptomyces species showed 31.4 and 46.9 % relatedness, respectively. Moreover, the three strains differed in some physiological and biochemical properties. Thus, on the basis of phenotypic and genotypic analyses, it is proposed that strain S187(T) represents a novel species of the genus Streptomyces, for which the name Streptomyces xinghaiensis sp. nov. is proposed; the type strain is S187(T) (=NRRL B-24674(T)=CCTCC AA 208049(T)=KCTC 19546(T)).</P>
Qing Tian,Xin Zhou,Jianguo Cheng,Yan Luo,Lei Dai,Wei Zhao,Wuyou Wang 한국유전학회 2017 Genes & Genomics Vol.39 No.7
Pneumonia is one of the major diseases of forest musk deer (FMD) that affects the survival of musk deer breeding farms. Lung pathogenic Escherichia coli (LPEC) strains were found to be one of the principal bacterial pathogens, and O78 was found to be the dominant serotype and the most poisonous, thus it was selected as further study. Here we have finished the LPEC O78 genome sequence, genomic comparative analysis and genome annotation. In the genome of LPEC O78, genes encoded major virulence factors (VFs) of urinary tract infection (UTI) and neonatal meningitis-causing E. coli (NMEC) were detected. The phylogenetic analysis indicated that LPEC O78 belongs to the D group of E. coli and clustered with human uropathogenic E. coli (UPEC) UMNO26. Orthologous analysis showed that LPEC O78 was close to UMNO26 in evolutionary relationships, the results were consistent with phylogenetic analysis. Additionally, analysis of the specific genes using COG, GO and Swiss-Prot databases revealed specific functions in the LPEC O78, some of these differences might reflect the pathogenicity of LPEC O78. It was the first time that LPEC from FMD was sequenced, through the virulence gene analysis, an example of a genome of chimeric pathogenic properties was found. The results were in favor of the possibility that strain of animal origin LPEC O78 was dangerous for public health and consequently constitute a zoonotic risk. Moreover, the functions study of specific genes will facilitate understand the pathogenicity of LPEC O78, and aid in the development of control measures.
Zhao, Yan-Jie,Jiang, Ni,Song, Qing-Kun,Wu, Jiang-Ping,Song, Yu-Guang,Zhang, Hong-Mei,Chen, Feng,Zhou, Lei,Wang, Xiao-Li,Zhou, Xin-Na,Yang, Hua-Bing,Ren, Jun,Lyerly, Herbert Kim Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.6
Background: There are few choices for treatment of advanced cancer patients who do not respond to or tolerate conventional anti-cancer treatments. Therefore this study aimed to deploy the benefits and clinical efficacy of continuous dendritic cell-cytokine induced killer cell infusions in such patients. Materials and Methods: A total of 381 infusions (from 67 advanced cases recruited) were included in this study. All patients underwent peripheral blood mononuclear cell apheresis for the following cellular therapy and dendritic cells-cytokine induced killer cells were expanded in vitro. Peripheral blood T lymphocyte subsets were quantified through flow cytometry to address the cellular immunity status. Clinical efficacy and physical activities were evaluated by RECIST criteria and Eastern Cooperative Oncology Group scores respectively. Logistic regression model was used to estimate the association between cellular infusions and clinical benefits. Results: An average of $5.7{\pm}2.94{\times}10^9$ induced cells were infused each time and patients were exposed to 6 infusions. Cellular immunity was improved in that cytotoxic $CD8^+CD28^+$ T lymphocytes were increased by 74% and suppressive $CD8^+CD28^-$ T lymphocytes were elevated by 16% (p<0.05). Continuous infusion of dendritic cells-cytokine induced killer cells was associated with improvement of both patient status and cellular immunity. A median of six infusions were capable of reducing risk of progression by 70% (95%CI 0.10-0.91). Every elevation of one ECOG score corresponded to a 3.90-fold higher progression risk (p<0.05) and 1% increase of $CD8^+CD28^-$ T cell proportion reflecting a 5% higher risk of progression (p<0.05). Conclusions: In advanced cancer patients, continuous dendritic cell-cytokine induced killer cell infusions are capable of recovering cellular immunity, improving patient status and quality of life in those who are unresponsive to conventional cancer treatment.
Identification of a Novel Human Zinc Finger Gene, ZNF438, with Transcription Inhibition Activity
( Zhao Min Zhong ),( Bo Wan ),( Yun Qiu ),( Jun Ni ),( Wen Wen Tang ),( Xin Ya Chen ),( Yun Yang ),( Su Qin Shen ),( Ying Wang ),( Mei Rong Bai ),( Qing Yu Lang ),( Long Yu ) 생화학분자생물학회 2007 BMB Reports Vol.40 No.4
Li, Xin,Wang, Yang,Li, Xing-Wang,Liu, Bao-Cheng,Zhao, Qing-Zhu,Li, Wei-Dong,Chen, Shi-Qing,Huang, Xiao-Ye,Yang, Feng-Ping,Wang, Quan,Wang, Jin-Fen,Xiao, Yan-Zeng,Xu, Yi-Feng,Feng, Guo-Yin,Peng, Zhi-Ha Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.5
Colorectal cancer (CRC), now the third most common cancer across the world, is known to aggregate in families. USP7 is a very important protein with an important role in regulating the p53 pathway, which is critical for genomic stability and tumor suppression. We here genotyped eight SNPs within the USP7 gene and conducted a case-control study in 312 CRC patients and 270 healthy subjects in the Chinese Han population. No significant associations were found for any single SNP and CRC risk. Our data eliminate USP7 as a potential candidate gene towards for CRC in the Han Chinese population.