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Research on the Performance Optimization of Hadoop in Big Data Environment
Jia Min-Zheng 보안공학연구지원센터 2015 International Journal of Database Theory and Appli Vol.8 No.5
In the age of Internet, the data transmission and storage got rapid progress, however, data processing and information extraction is still exist many problems to solve. Under the condition of so much data, processing data, get useful information; In cloud computing, big data environment to adopt the method of distributed computing, such a large complex networks, however, requires a simulation environment, for comparison and optimization platform, it can save development costs. Hadoop can evaluate the performance of distributed cloud computing platform, so the Hadoop performance directly affects the evaluation on the performance of the big data cloud computing, which fully show the importance of performance of Hadoop. Algorithm is improved based on Hadoop platform, using the particle swarm optimization algorithm improved the calculation and implementation of the Hadoop platform, so as to improve its ability to execute and compute, the calculation results and analysis show that the proposed scheme is effective.
( Jia-jia Chen ),( Xiao-bo Zheng ) 한국균학회 2019 Mycobiology Vol.47 No.3
A new species, Pythium subutonaiense, isolated from aquatic environments (lake) in China is being described based on morphological characters and molecular evidence. The isolates grew at temperatures between 5 ℃ and 38 ℃, and the optimum temperature was 30 ℃, with a radial growth rate of 17.6mm at 25 ℃ per day. It is homothallic and characterized by globose to sub-globose shaped and mostly terminal or sometimes catenulate hyphal swellings, filamentous non-inflated sporangia, and smooth oogonia with hypogynous and monoclinous antheridia that contained one plerotic oospore. In phylogenetic analysis, inferred based on the internal transcribed spacer region of the ribosomal RNA gene and mitochondrial cytochrome c oxidase subunit 1 gene, the new species formed a distinct lineage in Pythium clade B. Differences between the new species and phylogenetically related and morphologically similar species are discussed.
Jia Zheng,Chong-De Wu,Jun Huang,Rong-Qing Zhou,Xue Pin Liao 한국식품과학회 2013 Food Science and Biotechnology Vol.22 No.3
The volatile compounds in Chinese soy sauce moromi cultured by different fermentation processes [lowsalt solid-state fermentation (LSSF), high-salt dilute-state fermentation (HSDF), and high-salt constant temperature fermentation (HSCT)] were determined by GC-MS. The LSSF moromi had the highest total concentration of volatile compounds, followed by HSCT and HSDF moromi. Volatiles such as ethyl linoleate and ethyl oleate dominated in HSCT moromi. 2,3-Butanediol and 2,6-dimethylpyrazine were present at high content in LSSF moromi. The hierarchal cluster analysis (HCA) and principal component analysis (PCA) were employed to investigate the fermentation process effect on the category of samples. Based on HCA,HSCT (a1 and a2) and HSDF (b1 and b2) clustered in 1group, and LSSF (c1 and c2) located in another group. PCA illustrated that each kind of samples correlating with specific volatile compound groups were clearly differentiated according to their fermentation processes. The results suggest that GC-MS together with multivariate analyses could provide practical reference to recognize different Chinese soy sauces moromi.
Serum Proteomics Analysis of Feline Mammary Carcinoma Based on Label-free and PRM Techniques
Jia-San Zheng,Ren-Yue Wei,Zheng Wang,Ting-Ting Zhu,Hong-Ri Ruan,Xue Wei,Kai-Wen Hou,Rui Wu 대한수의학회 2020 Journal of Veterinary Science Vol.21 No.3
Background: Feline mammary carcinoma is the third most common cancer that affects female cats. Objectives: The purpose of this study was to screen differential serum proteins in feline and clarify the relationship between them and the occurrence of feline mammary carcinoma. Methods: Chinese pastoral cats were used as experimental animals. Six serum samples from cats with mammary carcinoma (group T) and six serum samples from healthy cats (group C) were selected. Differential protein analysis was performed using a Label-free technique, while parallel reaction monitoring (PRM) was performed to verify the screened differential proteins. Results: A total of 82 differential proteins were detected between group T and group C, of which 55 proteins were down regulated and 27 proteins were up regulated. Apolipoprotein A-I, Apolipoprotein A-II (ApoA-II), Apolipoprotein B (ApoB), Apolipoprotein C-III (ApoC-III), coagulation factor V, coagulation factor X, C1q, albumen (ALB) were all associated with the occurrence of feline mammary carcinoma. Differential proteins were involved in a total of 40 signaling pathways, among which the metabolic pathways associated with feline mammary carcinoma were the complement and coagulation cascade and cholesterol metabolism. According to the Label-free results, ApoB, ApoC-III, ApoA-II, FN1, an uncharacterized protein, and ALB were selected for PRM target verification. The results were consistent with the trend of the label-free. Conclusions: This experimen is the first to confirm ApoA-II and ApoB maybe new feline mammary carcinoma biomarkers and to analyze their mechanisms in the development of such carcinoma in feline.
ZHENG, Zhong,ZHAO, Ming-Hui,JIA, Jia-Lin,HEO, Young-Tae,CUI, Xiang-Shun,OH, Jeong Su,KIM, Nam-Hyung The Society for Reproduction and Development 2013 The Journal of reproduction and development Vol.59 No.6
<P><B>Abstract</B></P><P> A number of germ cell-specific transcription factors essential for ovarian formation and folliculogenesis have been identified and studied. However, the role of these factors during early embryonic development has been poorly explored. In the present study, we investigated the role of SEBOX, a maternal homeobox transcription factor, during early embryonic development in porcine parthenotes. mRNA for <I>SEBOX</I> is preferentially expressed in oocytes, and expression persists until embryonic genome activation (EGA). Knockdown of SEBOX by siRNA disrupted early embryonic development, but not oocyte maturation. Many maternal genes essential for early embryonic development were upregulated in SEBOX-depleted embryos. Moreover, some pluripotency-associated genes, including <I>SOX2</I> and <I>NANOG</I>, were upregulated when SEBOX was knocked down. Therefore, our data demonstrate that SEBOX is required for early embryonic development in pigs and appears to regulate the degradation of maternal transcripts and the expression of pluripotency genes.</P>
Research on the Development Efficiency of Tourism in the Non-Pearl River Delta of Guangdong
Lin, Jia-Zheng,Kim, Hyung-Ho The International Promotion Agency of Culture Tech 2021 International Journal of Advanced Culture Technolo Vol.9 No.3
On February 18, 2019, the Chinese government officially released the Outline of the Development Plan for the Guangdong-Hong Kong-Macao Greater Bay Area, which will lead the country in a new round of reform and opening-up. The Greater Bay Area will become a dynamic world-class city cluster, an international scientific and technological innovation center with global influence, an important support for the development of the "One Belt And One Road", a demonstration area for in-depth cooperation between the mainland and Hong Kong and Macao, and a high-quality living area for living, working and traveling. Non-Pearl River Delta(Non-PRD) cities in Guangdong Province are adjacent to the Guangdong-Hong Kong-Macao Greater Bay Area, so it is of practical significance to promote the high-quality development of urban tourism from an international perspective. Based on the panel data released in Guangdong Yearbook 2019, this paper uses the envelopment data analysis (DEA) method to explore ways to promote the high-quality tourism development of Non-PRD cities in Guangdong Province based on the perspective of international development.
p38 MAPK Signaling Mediates Mitochondrial Apoptosis in Cancer Cells Induced by Oleanolic Acid
Liu, Jia,Wu, Ning,Ma, Lei-Na,Zhong, Jia-Teng,Liu, Ge,Zheng, Lan-Hong,Lin, Xiu-Kun Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.11
Oleanolic acid (OA) is a nutritional component widely distributed in various vegetables. Although it has been well recognized for decades that OA exerts certain anti-tumor activity by inducing mitochondria-dependent apoptosis, it is still unclear that what molecular signaling is responsible for this effect. In this study, we employed cancer cell lines, A549, BXPC-3, PANC-1 and U2OS to elucidate the molecular mechanisms underlying OA anti-tumor activity. We found that activation of MAPK pathways, including p-38 MAPK, JNK and ERK, was triggered by OA in both a dose and time-dependent fashion in all the tested cancer cells. Activation was accompanied by cleavage of caspases and PARP as well as cytochrome C release. SB203580 (p38 MAPK inhibitor), but not SP600125 (JNK inhibitor) and U0126 (ERK inhibitor), rescued the pro-apoptotic effect of OA on A549 and BXPC-3 cells. OA induced p38 MAPK activation promoted mitochondrial translocation of Bax and Bim, and inhibited Bcl-2 function by enhancing their phosphorylation. OA can induce reactive oxygen species (ROS)-dependent ASK1 activation, and this event was indispensable for p38 MAPK-dependent apoptosis in cancer cells. In vivo, p38 MAPK knockdown A549 tumors proved resistant to the growth-inhibitory effect of OA. Collectively, we elucidated that activation of ROS/ASK1/p38 MAPK pathways is responsible for the apoptosis stimulated by OA in cancer cells. Our finding can contribute to a better understanding of molecular mechanisms underlying the antitumor activity of nutritional components.
Peihe Zheng,Yinbin Chen,Yangyang Fu,Hecheng Wang,Jia Wang,Siwen Zheng,Shengyuan Xiao,Yingping Wang 한국식품영양과학회 2017 Journal of medicinal food Vol.20 No.11
After cultivation of ginseng, ginsenosides, which are the major active ingredients of gingeng, were approved for use by the food industry, and began to be used as added functional ingredients to try to improve the quality and price of functional foods. However, the interaction between different types of ginsenosides and nutrients needs further study. We investigated the effect of B-complex vitamins (which are essential nutrients) on the pharmacokinetics of the ginsenosides protopanaxatriol-type saponin Rg1, protopanaxadiol-type saponin Rb1, and oleanolic acid-type saponin Ro after oral administration. Ginsenosides Rg1, Rb1, and Ro, with or without B-complex vitamins, respectively, were administered orally to rats to evaluate their pharmacokinetics. The concentration of ginsenosides in plasma was determined by liquid chromatography/tandem mass spectrometry. Pharmacokinetic parameters were fitted using WinNonlin v6.2. After oral coadministration with B-complex vitamins, the area under the concentration–time curve from zero to infinity (AUC0–∞) of ginsenoside Rg1 was reduced by 70%, that of ginsenoside Rb1 was reduced by 43%, and that of ginsenoside Ro was reduced by 34%. The AUC0–∞ of ginsenosides Rg1 and Rb1 showed significant differences between different treatments, but the AUC0–∞ of ginsenoside Ro did not. These results suggest significant ginsenoside-nutrient interactions between ginsenosides Rg1, Rb1, and B-complex vitamins.