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The Mitogen-Activated Protein Kinase Signal Transduction Pathways in Alternaria Species
Xu, Houjuan,Xu, Xiaoxue,Wang, Yu-Jun,Bajpai, Vivek K.,Huang, Lisha,Chen, Yongfang,Baek, Kwang-Hyun The Korean Society of Plant Pathology 2012 Plant Pathology Journal Vol.28 No.3
Mitogen-activated protein kinase (MAPK) cascades are conserved signaling modules in the eukaryotic cells. They are involved in many major cell processes in fungi such as stress responses, vegetative growth, pathogenicity, secondary metabolism and cell wall integrity. In this review, we summarized the advances of research on the MAPK signaling pathways in Alternaria species. As major phytopathogenic fungi, Alternaria species reduce crop production. In contrast to the five MAPK pathways known in yeast, only three MAPK pathways as Fus3/Kss1-type, Hog1-type, and Slt2-type have been characterized in Alternaria. The Fus3/Kss1-type MAPK pathway participates in regulation of vegetative growth, conidiation, production of some cell-wall-degrading enzymes and pathogenicity. The Hog1-type pathway is involved in osmotic and oxidative stress, fungicides susceptibility and pathogenicity. The Slt2-type MAP kinases play an important role on maintaining cell wall integrity, pathogenicity and conidiation. Although recent advances on the MAPK pathways in Alternaria spp. reveal many important features on the pathogenicity, there are many unsolved problems regarding to the unknown MAP kinase cascade components and network among other major signal transduction. Considering the economic loss induced by Alternaria spp., more researches on the MAPK pathways will need to control the Alternaria diseases.
The Mitogen-Activated Protein Kinase Signal Transduction Pathways in Alternaria Species
Houjuan Xu,Xiaoxue Xu,Yujun Wang,비벡바지파이,Lisha Huang,Yongfang Chen,백광현 한국식물병리학회 2012 Plant Pathology Journal Vol.28 No.3
Mitogen-activated protein kinase (MAPK) cascades are conserved signaling modules in the eukaryotic cells. They are involved in many major cell processes in fungi such as stress responses, vegetative growth, pathogenicity,secondary metabolism and cell wall integrity. In this review, we summarized the advances of research on the MAPK signaling pathways in Alternaria species. As major phytopathogenic fungi, Alternaria species reduce crop production. In contrast to the five MAPK pathways known in yeast, only three MAPK pathways as Fus3/Kss1-type, Hog1-type, and Slt2-type have been characterized in Alternaria. The Fus3/Kss1-type MAPK pathway participates in regulation of vegetative growth,conidiation, production of some cell-wall-degrading enzymes and pathogenicity. The Hog1-type pathway is involved in osmotic and oxidative stress, fungicides susceptibility and pathogenicity. The Slt2-type MAP kinases play an important role on maintaining cell wall integrity, pathogenicity and conidiation. Although recent advances on the MAPK pathways in Alternaria spp. reveal many important features on the pathogenicity,there are many unsolved problems regarding to the unknown MAP kinase cascade components and network among other major signal transduction. Considering the economic loss induced by Alternaria spp., more researches on the MAPK pathways will need to control the Alternaria diseases.
옴니채널 특성이 고객만족도와 선호도에 미치는 영향 연구 - 한 · 중 소비자를 중심으로 -
서소욱(XU XIAOXU),김혜균(Kim Hye-kyun) 한국의상디자인학회 2024 한국의상디자인학회지 Vol.26 No.2
Omni-channel refers to a distribution channel through which consumers can purchase products without time and place constraints through the fusion of existing online and offline stores. Therefore, a study on the effect of the four characteristics of Omni-channel on customer satisfaction and preference was conducted among 350 and 365 Korean and Chinese consumers, respectively on customers of Olive Young and Watson China, representative drug store brands in Korea and China. Analysis was conducted using IBM SPSS 26.0s statistical package program. Frequency analysis, factor analysis, Cronbach alpha, correlation analysis, and regression analysis were performed. As a result of verifying the effect of Omni-channel characteristics on customer satisfaction, it was found that convenience, accessibility, and price fairness had a significant positive (+) effect on customer satisfaction for Korean and Chinese consumers. Customer satisfaction was found to have a significant positive (+) effect on preference. This is because Korean and Chinese consumers generally had high satisfaction and preference for Olive Young and Watsons.
Xiaoxu Huang,Mengqiao Xu,Minwen Zhou,Wenjia Liu,Xiaohuan Zhao,Xiaodong Sun 한국역학회 2023 Epidemiology and Health Vol.45 No.-
OBJECTIVES: This population-based, prospective cohort study investigated the association between glaucoma and mortality in older adults. METHODS: Participants aged 45 years or older at baseline (47.9% male) were enrolled in 2011 for the China Health and Retirement Longitudinal Study (CHARLS). All-cause mortality was observed during 7 years of follow-up. The baseline data were collected in the 2011 CHARLS, and participants were followed up for 7 years (until 2018). The risk of all-cause mortality was investigated using Cox proportional-hazards regression with age as the time scale, adjusting for significant risk factors and comorbid conditions. RESULTS: Among the 14,803 participants included, the risk of all-cause death was significantly higher among people with glaucoma than among those without glaucoma, after adjustment for other confounders (hazard ratio [HR], 1.46; 95% confidence interval [CI], 1.04 to 2.03). In a subgroup analysis based on the mean age of death, among those who were 75 years and older (n=1,231), the risk of all-cause death was significantly higher in patients with glaucoma than in those without glaucoma (HR, 1.89; 95% CI, 1.24 to 1.89). CONCLUSIONS: Participants with glaucoma had a higher risk of all-cause mortality, especially those aged 75 years and above. Our findings revealed potential mechanisms underlying an association between glaucoma and all-cause mortality. They also highlighted the importance of glaucoma management to prevent premature death in middle-aged and older adults.
Xu, Peng,Zheng, Yadong,Zhu, Xiaoxu,Li, Shiyi,Zhou, Cunliu Asian Australasian Association of Animal Productio 2018 Animal Bioscience Vol.31 No.6
Objective: To evaluate the effects of L-lysine (Lys)/L-arginine (Arg) on lipid and protein oxidation of emulsion sausage during storage and its possible mechanism. Methods: Four samples were prepared based on the presence or absence of additional sodium isoascorbate, Lys, or Arg: sample A (control), sample B (0.05 g of sodium isoascorbate), sample C (0.4 g of Lys), and sample D (0.4 g of Arg). Peroxide value (POV), thiobarbituric reactive substances (TBARS), protein carbonyls and thiols were measured. 2,2-Diphenyl-1-picrylhydrazyl (DPPH) and hydroxyl radical-scavenging, ferrous ion-chelating ability were also measured. Results: Compared with the control, the sample treated with sodium isoascorbate, Lys or Arg had significantly lower POV during the initial 20 days, TBARS during the initial 15 days. Protein carbonyls were significantly lower compared Sample B, C, and D with A during the later storage (10 to 25 days); basically, protein thiols became lower during storage when the samples were treated with sodium isoascorbate, Lys, or Arg. Both Lys and Arg had weak reducing power but strong ferrous ion-chelating activity and DPPH radical- and hydroxyl radical-scavenging activity. Conclusion: Both Lys and Arg effectively inhibited the oxidation of lipids and proteins in emulsion sausage by scavenging free radicals and chelating ferrous ions. The results obtained may be favorable for the prevention of lipid and protein oxidation during processing and storage of meat products.
Tao Xu,Lingxu Guo,Wei Wei,Xiaoxue Wang,Chengshan Wang,Jun Lin,Tianchu Li 대한전기학회 2016 Journal of Electrical Engineering & Technology Vol.11 No.2
The increasing penetration of distributed energy resources on the distribution networks have brought a number of technical impacts where voltage and thermal variations have been identified as the dominant effects. Active network management in distribution networks aims to integrate distributed energy resources with flexible network management so that distributed energy resources are organized to make better use of existing capacity and infrastructure. This paper propose active solutions which aims to solve the voltage and thermal issues in a distributed manner utilizing a collaborative approach. The proposed algorithms have been fully tested on a distribution network with distributed generation units.
Huaifen Su,Xiaoxue Wang,Yuanwei Sun,Dan Xu,Lei Li,Caihua Liu,Suyuan Zeng,Dezhi Sun 대한화학회 2017 Bulletin of the Korean Chemical Society Vol.38 No.10
This work aims to provide a facile method for the preparation of Mn-doped hematite microrods and reveals the relationship between Mn doping and the enhanced adsorption properties. The adsorption performance of hematite could be greatly enhanced by Mn doping. The maximal adsorption capacity of the Mn-doped α-Fe2O3 is calculated to be 84.54 mg/g, which exhibits obviously enhanced adsorption capacity as compared to the un-doped α-Fe2O3 (33.02 mg/g). To further understand the adsorption process, the adsorption kinetic as well as thermodynamic behaviors are carefully investigated. The results suggest that the adsorption process of CR onto the adsorbents follows the pseudo-second-order kinetic model. Meanwhile, the adsorption process can be designated to be a Langmuir process. The adsorption capacities of CR vary as a function of Mn contents, which are regarded as the synergistic effect between surface areas and pore sizes.
A Study on Construction and Simulation of Agricultural Machinery System Control Model
Wang Ying,Xu Shiyang,Liu Shiqiang,Li Xiaoxue,Ao Changlin 보안공학연구지원센터 2016 International Journal of u- and e- Service, Scienc Vol.9 No.8
In order to study the state-changing and running rules of agricultural machinery system, this paper establishes the control model of agricultural machinery system under the discrete-state space based on control theory, from the perspective of the complex systems and with reference to the actual conditions of agricultural production; conducts the qualitative analysis on the system model, builds the relevant simulation model of agricultural machinery system accordingly, and verifies the running of the simulation model. This control model can provide effective basis and reference for further quantitative studies on state evolution of agricultural machinery system.