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产气肠杆菌

产气肠杆菌的相关文献在1992年到2022年内共计134篇,主要集中在基础医学、化学工业、临床医学 等领域,其中期刊论文91篇、会议论文7篇、专利文献32382篇;相关期刊72种,包括微生物学报、微生物学通报、检验医学等; 相关会议6种,包括第三届中国能源科学家论坛、第七次全国临床微生物学术年会暨第三届两岸三地临床微生物与感染病学术论坛、2007年全国生化与生物技术药物学术年会等;产气肠杆菌的相关文献由437位作者贡献,包括俞云松、倪孟祥、吴梧桐等。

产气肠杆菌—发文量

期刊论文>

论文:91 占比:0.28%

会议论文>

论文:7 占比:0.02%

专利文献>

论文:32382 占比:99.70%

总计:32480篇

产气肠杆菌—发文趋势图

产气肠杆菌

-研究学者

  • 俞云松
  • 倪孟祥
  • 吴梧桐
  • 丁庆豹
  • 冯贵颖
  • 吴玲
  • 周顺桂
  • 孙自镛
  • 岳钦艳
  • 张全国
  • 期刊论文
  • 会议论文
  • 专利文献

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    • 徐冰石; 陈伏生; 张林平; 杨豆; 刘仁; 张扬
    • 摘要: [目的]探究土壤中具有解磷功能的产气肠杆菌的解磷特性及其对毛竹的促生效果。[方法]采用液体震荡培养法评价不同碳源、氮源和环境因子对产气肠杆菌解磷能力的影响,并采用温室盆栽法研究该菌株对毛竹根际土壤有效养分和酶活性、根系和叶全磷及叶磷组分含量的影响,并分析其对毛竹的促生作用。[结果]产气肠杆菌分别在碳源为蔗糖或葡萄糖、氮源为硫酸铵、初始pH值5.5~6.5、装液量1/5或2/5、盐离子浓度为0或1.0 g·L^(−1)时溶解Ca_(2)(PO_(4))_(3)的能力最强;产气肠杆菌对Ca_(2)(PO_(4))_(3)和CaHPO_(4)两种难溶性磷源的平均解磷量分别达331.83 mg·L^(−1)和345.91 mg·L^(−1)。与对照相比,施用产气肠杆菌处理毛竹根际土壤有效磷含量、磷酸酶活性、脲酶活性、叶片净光合速率分别增加50.9%、20.6%、21.0%和42.0%;毛竹实生苗地径、苗高和生物量分别提高31.0%、23.5%和44.5%。施用产气肠杆菌处理显著提高毛竹根系全磷和叶片核酸磷含量,显著降低叶片残留磷含量,但叶片全磷、无机磷和糖磷无显著变化。[结论]该产气肠杆菌具有对环境适应性较强的潜力,可助益提高根系磷吸收和叶片核酸磷积累而促进毛竹生长,是南方丘陵缺磷区竹林生物专用肥料研制的潜在菌株,具有较好的应用前景。
    • 杨晶
    • 摘要: 目的 用常规方法 和VITEK 2 Compact全自动微生物分析系统对本实验室质控考核的两株形态特征表现相似的细菌进行分离鉴定分析.方法 选择国家标准常规方法 进行分离培养,按照VITEK 2 Compact全自动微生物分析系统仪器说明书中的标准操作流程进行鉴定,以保证鉴定结果 的准确性.结果 用同样的方法 进行培养后,VITEK 2 Compact全自动微生物分析系统对两种菌均作出了正确鉴定.结论 阴沟肠杆菌和产气肠杆菌在不同培养基上有不同的表现形态,可以根据其不同的形态特征作出初步判定,并用VITEK 2 Compact全自动微生物分析系统仪对这两种细菌作出最终判定.
    • 柯振华
    • 摘要: 为了应对餐饮等食品中病原菌快速检测的需求、研究建立病原菌筛查方法,选取痢疾志贺氏菌(Shigella dysenteriae)、金黄色葡萄球菌(Staphylococcus aureus)、副溶血性弧菌(Vibrio parahaemolyticus)、阴沟肠杆菌(Enterobacter cloacae)、产气肠杆菌(Enterobacter aerogenes)、沙门氏菌(Salmonella)、蜡样芽胞杆菌(Bacillus cereus)、大肠埃希氏菌O157:H7(Escherichia coli O157:H7)、单核细胞增生李斯特氏菌(Listeria monocytogenes)等9种病原菌开展多重实时荧光PCR方法研究工作.为了节约预增菌时间与提升检测效率,研发了适用于多种病原菌预增菌的通用型培养基,采取高温裂解法提取菌液核酸,利用PMA染料灭活死亡细菌DNA,筛选出活菌DNA,采用多重实时荧光PCR技术检测目标菌,该方法可在16 h内完成检测,对于目标病原菌的检测低限可达103 CFU·mL-1.
    • 王金文
    • 摘要: 目的 研究在烧伤感染患者中病原菌群的分布情况,且评价药敏实验情况.方法 以回顾性分析方式验证2017年5月—2018年5月收治的40例烧伤感染患者(分离出致病菌62株)涉及的数据资料,依据NCCLS相关标准实施处理,分析烧伤感染病原菌群分布情况,且阐述耐药性.结果 62株致病菌中主要包括凝固酶阴性葡萄球菌、阴沟肠杆菌、金黄色葡萄球菌、大肠埃希菌、产气肠杆菌、变形肠杆菌、铜绿假单胞菌、聚团肠杆菌、真菌、肠球菌等类型.革兰阳性球菌敏感率药物最高的是万古霉素,利福平次之,左氧氟沙星、苯唑西林再次;革兰阴性菌敏感率药物最高的是亚胺培南,丁胺卡那次之,头孢哌酮/舒巴坦、左氧氟沙星、妥布霉素再次.结论 临床上对于烧伤感染患者需要强化药敏检测和细菌培养的力度,确保合理且科学的应用抗生素,提升检查效果.
    • 肖伟强; 许青霞; 李铁鹏; 王智中; 潘军; 姚新伟; 常彦敏; 孙明月
    • 摘要: 目的 了解产气肠杆菌携带blaNDM-1质粒的转移性、复制子分型及周围环境.方法 产气肠杆菌HN-NDM0711为实验菌株,利用接合实验研究其质粒的转移性,对接合子进行稳定性试验,采用质粒复制子分型法对质粒进行分型,利用染色体步移技术对基因blaNDM-1上下游进行测序,使用BLASTN和BLASTP对基因组序列进行比对,使用Vector NTI 11.5.1注释并生成序列管道图,序列通过软件Banklt递交至Genbank.结果 产气肠杆菌HN-NDM0711接合实验阳性,阳性接合子稳定传代4d后,所有克隆株对亚胺培南和美罗培南的最低抑菌浓度(MIC)均未发生变化,基因blaNDM-1均为阳性.质粒复制子为IncA/C型;基因blaNDM-1位于不常见的插入序列ISA-ba14和IS91之间,在blaNDM-1的上游出现一个Tn3转座子和I型整合子,整合子上含有一个由庞大镶嵌序列构成的少见耐药基因盒.结论 IncA/C型质粒pHN-NDM0711携带基因blaNDM-1及耐药基因盒,可能源于不同抗菌药物选择压力下的基因重组,建议严格控制临床、工业和农业抗菌药物的使用,从源头上减少此类细菌的产生.%Objective To study plasmid-mediated transfer,plasmid replicon typing,and genetic environment of blaNDM-1 gene in Enterobacteraerogenes(E.aerogenes).Methods E.aerogenes HN-NDM0711 was used as the subject of this research,the transferable properties of plasmid were analyzed by conjugation testing,conjugant was performed stability testing,plasmid type was determined by PCR-based replicon typing (PBRT),downstream and upstream of blaNDM-1 were sequenced using chromosome walking method,genetic context was analyzed by BLASTN and BALSTP,as well as annotated using Vector NTI 11.5.1 software,sequence pipeline graph was made,the sequence was submitted to Genbank through software Banklt.Results The conjugation testing of E.aerogenes pHN-NDM0711 was positive,after positive conjugant was conducted 4-day passage,minimal inhibitory concentrations (MICs) of imipenem and meropenem to all the cloned strains didn't change,blaNDM-1 were all positive.The replicon type was IncA/C;blaNDM-1 gene was localized between ISAba14 and IS91,at upstream of the blaNDM-1,class 1 integron and Tn3 transposon were identified,class 1 integron contained a new mosaic structure of a drug-resistant resistance gene cassette.Conclusion E.aerogenes pHN-NDM071 1,bearing blaNDM-1 gene in IncA/C plasmid,derived from gene recombination under different antimicrobial selection pressure.Antimicrobial use in clinical,industrial and agricultural area should be strictly controlled,so as to reduce the emergence of such bacteria.
    • 张全国; 张甜; 张志萍; 周雪花; 王毅; 贺超
    • 摘要: Along with the rapid development of society and unceasing improvement of human living standard, the consumption of fossil fuels is rising continuously, which has resulted in several problems such as energy shortage and environmental pollution. Therefore, the research and exploitation of renewable energy become extremely urgent. Hydrogen is a promising alternative energy, and can be produced through different methods. Considering the complementarity between different hydrogen-production microorganisms, dark-photo integrated bio-hydrogen production was regarded as a beneficial way to improve the utilization rate of substrate and the potential of hydrogen production. Dark-photo integrated bio-hydrogen production could combine the characteristics of various microbes, and exert their advantages. Moreover, enzymatic hydrolysis of complex substrate, VFAs production, VFAsconsumption, and hydrogen production could synchronously take place, so it could realize the reuse of byproducts (VFAs) and avoid the accumulation of liquid byproducts. In this study, enzymatic hydrolyzate of corn stover was taken as substrate,Enterobacter aerogenes (AS1.489) and photosynthetic bacteria (HAU-M1) were selected as hydrogen-production microorganisms, and simultaneous saccharification fermentative method was adopted to study the process of dark-photo integrated bio-hydrogen production by mixed cultivation ofHAU-M1 and Enterobacter aerogenes. Cumulative hydrogen yield was taken as key reference to optimize the process parameters of bio-hydrogen production. The single factor experiments were adopted to select the optimal lever and analyze the effects of substrate concentration, initial pH value, light intensity and fermentation temperature on the integrated bio-hydrogen production. On the basis of single factor experiments, orthogonal experimental design was also adopted to further optimize the bio-hydrogen production process parameters and evaluate the significance of influencing factors. The results of orthogonal range analysis showed that primary and secondary order of the influence of various process parameters on integrated bio-hydrogen production was: fermentation temperature>initial pH value>substrate concentration>light intensity. The analysis of variance showed that fermentation temperature and initial pH value were the most significant factors affecting integrated bio-hydrogen production and produced the most significant influence on the process of integrated bio-hydrogen production by mixed cultivation of photosynthetic bacteria andEnterobacter aerogenes. The optimum process parameters were: substrate concentration of 35 g/L, initial pH value of 6.5, light intensity of 3500 lx, and fermentation temperature of 30°C. The validation experiments under these conditions were performed, and the cumulative hydrogen yield of 332.6 mL for 72 h and the capacity of unit hydrogen production of 47.5 mL/g corn stover were obtained. The optimal process parameters for bio-hydrogen production provide a scientific reference for the further research on integrated bio-hydrogen production by mixed cultivation of dark-fermentative and photo-fermentative bacteria from straw biomass.%暗-光联合生物制氢是提高底物利用率和产氢潜力的有益探索.该文以玉米秸秆酶解液为产氢底物,采用光合细菌(HAU-M1)与产气肠杆菌(AS1.489)混合培养工艺,进行了同步糖化暗-光联合生物制氢试验研究.以累积产氢量为主要指标,利用单因素试验考察了底物质量浓度、初始pH值、光照强度、发酵温度对HAU-M1与产气肠杆菌混合培养条件下联合产氢的影响,并在单因素试验的基础上通过正交试验对产氢工艺参数进行了优化.结果表明:各工艺参数对HAU-M1与产气肠杆菌联合产氢影响的主次顺序为:发酵温度>初始pH值>底物质量浓度>光照强度.发酵温度和初始pH值是影响HAU-M1与产气肠杆菌联合产氢的显著因素.HAU-M1与产气肠杆菌混合培养联合产氢的较佳工艺条件为:底物质量浓度35 g/L、初始pH值6.5、光照强度3500 lx、发酵温度30°C,在此条件下,72 h的累积产氢量达到332.6 mL,单位产氢量为47.5 mL/g.该试验研究可为基于秸秆类生物质的暗-光细菌混合培养联合产氢的进一步研究提供参考.
    • 张甜; 张全国; 张志萍; 李亚猛; 路朝阳; 刘会亮
    • 摘要: 文章以小麦秸秆为原料,研究了不同接种量对产气肠杆菌同步糖化发酵产氢的影响,以期寻求最佳的接种量条件.试验以累积产氢量、产氢速率等指标来分析产气肠杆菌利用小麦秸秆进行同步糖化发酵产氢的潜力及其可行性.结果表明:在以反应液体积为200 mL,底物为5 g小麦秸秆,酶负荷为150 mg·g-1秸秆、初始pH值为6.5,温度为35°C的条件下,接种量为30%时产氢效果最好,此时的累积产气量达到737 mL,累积产氢量达到293mL,最大产氢速率为35.42 mL·h-1L-1.该实验研究为秸秆类生物质同步糖化厌氧暗发酵产氢的进一步研究奠定了基础并提供了科学参考.%Wheat straw was taken as raw material,the effect of different inoculum size on the hydrogen production by enterobacter aerogenes with simultaneous saccharification in dark fermentation,were studied in this paper,aiming at seeking the best inoculum size.Parameters of cumulative hydrogen production and its production rate were taken as indicators for analyzing.The results showed that,under the condition of 200 mL of reaction liquid,5 g of wheat straw substrate,150 mg of enzyme per gram of substrate,initial pH value of 6.5,and temperature of 35°C,the best inoculum size was 30%,from which the cumulative hydrogen production was 293 mL,the maximum hydrogen production rate reached 35.42 mL · h-1L-1.
    • MUHAMMAD Jawed; 王俊; 徐莉; 闫云君
    • 摘要: To examine the feasibility of cultivating Enterobacter aerogenes for hydrogen production with lipid extracted microalgal biomass residues, the anaerobic batch fermentations from microalgal hydrolysate were conducted and their key parameters were optimized using response surface methodology. The central composite designs were performed, and a quadratic regression model based on temperature, pH, inoculum and hydrogen yield was obtained from the triplicate experimental data. The analysis of variances indicates that the model has good fitting degree. The predicted maximum hydrogen yield of 54.22 mL/g of lipid extracted microalgal bio⁃mass residues was obtained when the temperature, pH and inoculum were respectively at 37.55 °C, 5.95 and 12.25%. The confirmatory experiments showed that the mutant evolved hydrogen yield of 54.61 mL/g of lipid extracted microalgal biomass residues in the optimal conditions. The coincident result verified the practicability of the model. This study indicates that a strategy of cultivating Enterobacter aerogenes for hydrogen production with lipid extracted microalgal biomass residues has great potential for the large scale of production.%为使高效产氢产气肠杆菌能够运用到实际生产中,探索并且优化以小球藻抽脂残留物的水解产物为底物的厌氧批次产氢发酵实验参数.采用中心组合设计,通过三次平行实验取得的数值,拟合得到反映温度、接种量和pH值与产氢量之间关系的多元二次回归模型,以产氢率为响应值,进行响应面分析.方差分析结果显示,该模型的显著性和可靠性较高,拟合效果良好.该模型预测出最佳产氢结果为54.22 mL/g小球藻抽脂残留物,产氢条件为温度37.55°C,接种量12.25%,pH值5.95.进行了厌氧批次发酵产氢验证实验,实际结果为小球藻抽脂残留物的产氢量为54.61 mL/g,与预测值十分接近,说明该模型能较好反应三因素对产氢量的影响.优化了高效产氢菌利用廉价底物发酵产氢的运行条件,为实现生产氢气的过程与有机废弃物无害化处理相耦合提供了新思路.
    • 王怡倩; 叶长芸
    • 摘要: 目的 建立敏感、特异的普通聚合酶链反应(PCR)方法和TaqMan荧光定量PCR方法对产气肠杆菌进行快速检测.方法 以产气肠杆菌组氨酸脱氢酶基因(hdc)为靶基因设计引物以及TaqMan FAM探针,建立对产气肠杆菌进行检测的普通PCR方法和TaqMan荧光定量PCR方法,并评价该方法的特异性、灵敏性和稳定性.结果 普通PCR和TaqMan荧光定量PCR方法均能对产气肠杆菌进行特异检测;普通PCR方法对质粒标准品和粪便模拟标本的检测下限分别为100 copies/μl和1.0×105 cfu/g,TaqMan荧光定量PCR方法对质粒标准品和粪便模拟标本的检测下限分别为33copies/μl和1.0×104 cfu/g;TaqMan荧光定量PCR方法对质粒标准品和粪便模拟标本检测的扩增曲线良好;在稳定性评价试验中,普通PCR方法的重复性良好,TaqMan荧光定量PCR方法对质粒标准品检测Ct值的组内差异为0.15%~0.98%,组间差异为0.55%~1.63%.结论 本研究建立的检测产气肠杆菌的普通PCR方法和TaqMan荧光PCR方法特异性好、灵敏度高,能够用于产气肠杆菌的快速检测.
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