细菌素

xì jūn sù
  • bacteriocin
细菌素细菌素
  1. 对甘蓝泡菜的一株产细菌素植物乳杆菌LactobacilusplantarumG8进行了研究,确定了在MRS液体培养基中其细菌素产生的条件。

    In this article , a bacteriocin produced Lactobacillus plantarum G 8 isolated from cabbage pickle was studied .

  2. 产广谱细菌素米酒乳杆菌C2发酵培养基的研究

    Study on Fermentation Medium of Broad-spectrum Bacteriocin Produced by Lactobacillus sake C2

  3. Lab为开发环境建立。乳酸菌发酵过程中的代谢产物包括有机酸和细菌素。

    The metabolites during ferment of LAB include organic acids and bacteriocins .

  4. 研究表明,培养温度30℃、时间48h、pH值为7时是乳酸菌细菌素的最佳产生条件。

    The optimal conditions for bacteriocin production were incubation for 48 h at pH 7 and 30 ℃ .

  5. 环境条件对发酵影响的研究表明,最佳起始pH值为6.5;产细菌素的最适温度为30℃;

    The study on condition of fermentation showed that the optimum initial pH for producing Bacteriocin is 6.5 , it produced the highest amount of Bacteriocin at 30 ℃ .

  6. 细菌素纯化后经SDS-PAGE电泳出现清晰条带,分子量在14.4kDa-20kDa之间。

    The clear belts showed up after SDS-PAGE electrophoresis of purified bacteriocin ; its molecular weight was between 14.4 kDa-20 kDa .

  7. 本研究探讨了营养要素(包括培养基组成和不同的起始pH值)和环境要素(包括培养温度、装液量和接种量)对细菌素产生的影响,以求得产生细菌素的最佳发酵条件。

    Different factors were investigated such as the ingredients of medium , temperature , pH , inoculating amount and medium capacity on production of bacteriocin in order to optimize the fermentation condition .

  8. 烟草青枯病菌(pseudomonassolanacearum)细菌素的生物学特性研究三种病原细菌产生细菌素的研究

    Some Characteristics of Bacteriocin Produced by Pseudomonas solanacearum strain from Tobacco Study on the Bacteriocin from Three Pathogenic Bacteria

  9. 研究表明,当培养基初始pH为6.5时菌株代谢产生活性最高的细菌素。这四种细菌素对胃蛋白酶、蛋白酶K和胰蛋白酶都较敏感。

    The initial pH with 6.5 in media allowed the four studied strains to form the highest bacteriocins activity against sensitive organisms . All the bacteriocins were sensitive to pepsin , proteinase K and trpsin .

  10. 用响应面方法对lactococcuslactis生产细菌素乳链菌肽的培养基进行了优化。

    Response surface methodology was used to optimize a medium for nisin production of Lactococcus lactis .

  11. 自从乳酸乳球菌代谢产生的细菌素Nisin批准作为食品防腐剂以来,细菌素的研究已成为食品微生物研究中的一个重要课题。

    Development of bacteriocin had become an important topic , since Nisin production by Lactococcus lactis was licensed as preservative .

  12. 选择X1、C15两株细菌进行细菌素的提取以及用SDS-聚丙烯酰胺凝胶电泳方法进行初步鉴定,发现有明显的电泳条带。

    X1 and C15 were selected to extract the bacteriocin and proved their existence with SDS-PAGE .

  13. 乳酸菌SD-22产类细菌素的生物学特性及初步应用研究

    Properties of Bacteriocin-like substance synthesized by Lactobacillus SD-22 and its application in pork

  14. 乳酸杆菌SD-22产类细菌素发酵条件的优化

    Optimization of Fermentation Conditions for Production of Bacteriocin-like Substance by Lactobacillus Brevis SD-22

  15. 结果所筛选的产细菌素R260菌株经鉴定为植物乳杆菌。

    Results Bacteriocin-producing R260 strain was identified as Lactobacillus plantarum by physiological and biochemical experiments .

  16. 着重介绍了乳酸菌一个重要的细菌素&nisin的分子遗传学研究现况:nisin的分子结构、生物合成、基因分析和表达、免疫抗性、作用方式以及在食品工业中的应用。

    This is a systematic review on molecular genetics of Nisin , including its molecular structure , biosynthesis , analysis and expression of gene , immune resistace , mode of action and application of food industry .

  17. 无致病力产细菌素拮抗菌MA-7防治番茄青枯病研究初报

    Preliminary studies on control of bacterial wilt of tomato ( pseudomonas solanacearum ) by avirulent bacteriocin-producing stain ma-7

  18. 细菌素(bacteriocin)是某些细菌产生的抑菌肽或蛋白,这些物质可以杀灭和抑制与之相同或相似生境的其他微生物。

    Bacteriocins produced by certain bacteria are antimicrobial peptides or proteins , in sufficient amounts , these peptides can kill or inhibit bacteria competing for the same ecological niche or the same nutrient pool .

  19. 通过预防接种J5菌苗和用抗菌素、细胞因子、细菌素及激素治疗奶牛乳腺炎,可有效地控制该病。

    Through preventive inoculating J 5 vaccine and using antibiotic , cell factor , bacteria and hormone against mammitis of dairy cattle can effectively control this disease .

  20. 结果表明,菌株MLS5发酵上清液经饱和度为50%硫酸铵盐析及732-阳离子交换树脂层析,最后细菌素得率为15.14%,比活力为1854.27IU/mg,是发酵上清液的31.96倍。

    The bacteriocin was extracted and purified through both degree of saturation 50 % ammonium sulphate precipitation and 732-cation exchange resin chromatography . The yield of bacteriocin was 15.14 % . The specific activity was 1854.27IU/mg . and 31.96 times of supernate .

  21. 1mg/mL的细菌素溶液可形成17mm的抑菌环,最小抑菌浓度为62.5μg/mL。

    Final production rate of bacteriocin after purification with freeze-dry was 0.082 % , and solution of bacteriocin at 1 mg / mL formed an inhibitory ring with 17 mm in diameter , and its minimal inhibitory concentration was 62.5 μ g / mL.

  22. 口臭;挥发性硫化物;细菌素。

    Streptococcus salivarius ; halitosis ; volatile sulphur compound ; bacteriocins .

  23. 1株抗猪链球菌细菌素产生菌的筛选与鉴定

    Screening and identification of a strain producing bacteriocin against Streptococcus suis

  24. 细菌素的应用及发酵条件的研究进展

    Research Progresses on the Application and Fermentation Conditions of Bacteriocins

  25. 长寿老人源产细菌素乳酸菌的筛选与分子生物学鉴定

    Screening and identification of bacteriocin-producing lactic acid bacteria from centenarians ′ intestine

  26. 产细菌素乳酸菌的选育及其抑菌特性的研究

    Screening of bacteriocin-producing lactic acid bacteria and the characteristics of antibacterial compound

  27. 温度诱导双水相分离纯化细菌素工艺条件的选取与优化

    Optimizing Conditions for Bacteriocin Isolation and Purification in Temperature-induced Aqueous Two-phase Systems

  28. 固定枯草芽孢杆菌发酵生产类细菌素的研究

    Study on Bacteriocin - like Substance Fermentation by Immobilized Bacillus subtilis Cells

  29. 细菌素在植物细菌病害生防中的应用

    Application of bacteriocin in biological control of plant bacterial diseases

  30. 有些细菌素对种外细菌也有抑制作用。

    Some bacteriocins could also inhibit bacteria outside their species .