中国畜牧兽医

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2株枯草芽孢杆菌对大肠杆菌和沙门氏菌的体外抑菌试验研究

秦瑶,王苇,郭秉娇,王熙楚,张文举,周霞,王晓兰   

  1. (石河子大学动物科技学院,新疆石河子 832003)
  • 出版日期:2014-01-20 发布日期:2014-02-27
  • 通讯作者: 周霞(1968—),女,河南人,博士,教授,硕士生导师,主要从事兽医微生物与免疫学教学与研究工作。E-mail: zhouxia0993@yahoo.com.cn
  • 作者简介:秦瑶(1988—),女,新疆人,硕士生,研究方向:兽医微生物。
  • 基金资助:

    石河子大学重大科技攻关项目(gxjs2011-zdgg01-04);国家自然基金(31160507)。

Study on Bacillus subtilis Strains Q4 and Q10 Inhibiting the Growth of E.coli and Salmonella in vitro

QIN Yao,WANG Wei,GUO Bing-jiao,WANG Xi-chu,ZHANG Wen-ju,ZHOU Xia,WANG Xiao-lan   

  1. College of Animal Science and Technology,Shihezi University,Shihezi 832003,China)
  • Online:2014-01-20 Published:2014-02-27

摘要: 本试验旨在检测2株枯草芽孢杆菌对致病性大肠杆菌和沙门氏菌抑菌作用。以致病性大肠杆菌和沙门氏菌作为指示菌,采用2株枯草芽孢杆菌与大肠杆菌和沙门氏菌同时接种及先后接种的方法,对其与大肠杆菌和沙门氏菌的生物颉颃作用进行了研究。结果表明,先接种枯草芽孢杆菌再接种致病菌抑制作用最明显且在24 h时抑菌作用最强,同时接种枯草芽孢杆菌和致病菌抑制作用次之,先接种致病菌再接种枯草芽孢杆菌的抑制作用最弱。提示,2株枯草芽孢杆菌对致病性大肠杆菌和沙门氏菌都有一定的抑制作用,但抑制作用的强弱有差异,且与枯草芽孢杆菌和致病菌接种的时间长短有关。

关键词: 枯草芽孢杆菌; 大肠杆菌; 沙门氏菌; 抑菌试验

Abstract: The effects of 2 Bacillus subtilis strains,Q4 and Q10 inhibiting the growth of E. coli and Salmonella.Regarded E.coli and Salmonella as indicators,investigated by the co-incubation, pre-incubation and post-incubation method.The results revealed that 2 Bacillus subtilis strains showed different ability to inhibit the growth of E. coli and Salmonella after incubating with Q4 and Q10, respectively.Having inoculated Bacillus subtilis and then co-incubation pathogens inhibition were most obvious in means of the strongest inhibitory effect at 24 h,at the same time,pre-incubation Bacillus subtilis and then co-incubation pathogen the inhibition was the weakest of all,the pathogens and Bacillus subtilis co-incubation were the second. From the former consequences that 2 Bacillus subtilis strains of Q4 and Q10 had inhibitory effect on the pathogen,but there were differences in inhibition,and related to the duration of Bacillus subtilis and pathogen inoculation.

Key words: Bacillus subtilis; E.coli; Salmonella; bacteriostatic test