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- N-acylhomoserine lactone(AHL), as quorum sensing signals, regulate expression of virulence factors of many plant pathogens. N-酰基高丝氨酸内酯(N-acylhomoserine lactone,AHLs)作为细菌群体感应中的信号分子参与调节植物病原细菌致病因子的表达。
- Research on Quorum Sensing Signal Molecules of Pseudomonas spp. Isolated from Food 食源假单胞菌群体感应信号分子的研究
- 347 bacteria strains were isolated from rhizosphere of Chinese cabbage, 11.5% of them were screened for secreting quorum sensing signal substance N-acyl-homoserine lactone (AHL). 自大白菜的根际土壤中分离得到347个细菌分离株;有40个分离株能产生群体密度信号(quorumsens ing;QS)分子;占总分离株的11.;5%25。
- 2 bacterial strains excreting AHL quorum sensing signal molecular, M10 and M22, were isolated from 3,5-dinitrobenzoic acid wastewater treatment system. M10 produced 4 kinds of AHL signal molecular and M22 produced 3. Using E. 从硝基苯甲酸废水处理系统的生物膜中分离到2株分泌酰基高丝氨酸内酯(AHL)群体感应信号分子的菌株M10和M22;测试表明M10产生4种AHL信号分子;M22产生3种AHL信号分子.;以E
- Quorum sensing is a cell-density dependent global regulation system, which is used for cell to cell communication mediated by the signal molecule, N-acyl-homoserine lactone (AHL). 密度感应系统(quorum sensing, QS)是一种细胞密度依赖性的细菌胞间信号传递系统,通过这种机制细菌可以协调基因的表达,从而使细菌可以适应环境、产生毒力因子等,使细胞的活动具有组织性,成为类似于多细胞生物的群体性活动。
- Pseudomonas is also known to switch on its virulence genes in response to signals from quorum sensing. 据了解假单细胞菌也会打开它的有毒基因以响应来自群体的信号。
- Besides,the quorum sensing system contribute to the ability of Pseudomonas aeruginosa to form biofilms. 此外,密度感知信号系统与铜绿假单孢菌形成的生物被膜关系密切。
- The quorum sensing commonly exists in procaryote kingdom, regulating various biologic functions. 群体感应现象在细菌中普遍存在，参与细菌多种生理功能的调控。
- It is a new method and promising approach to control plant bacterial diseases by quenching bacterial quorum sensing through biotechnology. 利用现代生物技术手段人为地操纵细菌群体感应系统,将会成为提高植物抗病性的新方法、新途径。
- A number of quorum sensing systems have been found in Gram-positive and in Gram-negative bacteria, which control the expression of multiple genes. 目前，已在许多革兰氏阳性菌和阴性菌中发现了群体感应系统，调控许多基因的表达。
- This review focuses on the latest research and function of quorum sensing, and describes the prosperity of application in biotechnology. 笔者综述了细菌的群体感应系统的最新进展及群体感应的作用，并阐述了其在生物技术领域的应用前景。
- The present application of neural network to sensing signal processing and principles on which t his application based are discussed. 本文论述了神经网络在传感信号处理方面的应用,介绍了基本原理,举例说明应用方法。
- It is a promising approach to biologically control bacterial diseases in plant and animal by manipulating bacterial AHL quorum sensing with AHLs degrading enzyme and AHL homology. 利用AHLs降解酶和AHLs类似物的特性 ,干扰和破坏病原菌的AHLs 群体感应机制 ,将为利用现代生物技术防治此类细菌病害开辟了一条全新的途径
- The cell-density-dependent signaling mechanism called quorum sensing systems plays an important role in several such infections as corneal,lung and burn wound infectiongs. 细胞-密度-依赖信号传递的机制被称为密度感知机制,在角膜、肺部、烧伤的感染发病机制中起重要作用。
- The sensing signal is detected by means of compensating the optical path difference of the two orthogonal polarization modes by two arms path difference of Michelson interferometer. 用迈克尔逊干涉仪两臂光程差来补偿两个偏振模的光程差的方法探测传感信号。
- Intensity of Gaussian distribution impacts significantly the sensing signal of the defocus phase,in which the error percentage achieves 25%,but for other phase profile,the effect is ignorable. 光强高斯分布对散焦相差的曲率信号影响较大,信号百分比误差达到25%25,对其他相差的曲率信号影响很小;
- AiiA protein, blocking the bacterial quorum sensing by hydrolyzing AHL-lactone, can greatly attenuate the disease caused by many bacterial pathogens in which quorum sensing regulate the expression of virulence genes. AiiA蛋白通过破坏病原菌的信号分子来阻断病原菌的群体感应调节系统;达到抗病的目的;是一种新型的抗病蛋白.
- AiiA protein,encoded by aiiA gene,can inactivates the AHL signals which regulates in quorum sensing system in bacteria by hydrolyzing its lactone bond so that it can release the disease in plant. aiiA基因编码的AiiA蛋白能降解细菌群体感应系统中的信号分子N_酰基高丝氨酸内酯AHLs,从而减弱致病菌对植物的危害。
- In this article, we focus on the recent progress on quorum sensing of pathogenic fungi and discuss the possibility of taking quorum sensing molecule as a potential target for antifungl therapy. 本文主要综述了目前病原真菌中群体感应系统的研究进展，并探讨真菌群体感应系统作为抗真菌治疗靶点的可能性。
- A number of chemists are looking for ways to jam this “quorum sensing” system with modified versions of the bacteria's own chemicals that will gum up the receptors for these signals. 许多化学家正在尝试利用修饰过的细菌信号分子占据菌体上相应的信号受体，来堵塞这种“群体感应”。
