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Probiotics의 병원성 미생물에 대한 억제효과와 항균제 내성

Inhibition Effect on Pathogenic Microbes and Antimicrobial Resistance of Probiotics

  • 김재수 (단국대학교병원 진단검사의학과) ;
  • 육영삼 (단국대학교 임상병리학과) ;
  • 김가연 (단국대학교 대학원 보건학과)
  • Kim, Jae Soo (Department of Laboratory Medicine, Dankook University Hospital) ;
  • Yuk, Young Sam (Department of Biomedical Laboratory Science, College of Health Sciences, Dankook University) ;
  • Kim, Ga Yeon (Department of Public Health, Dankook University Graduate School)
  • 투고 : 2019.07.17
  • 심사 : 2019.09.04
  • 발행 : 2019.09.30

초록

국내시판 김치로부터 분리한 probiotics의 병원생 미생물에 대한 억제효과와 항균제 내성을 조사하기 위해 35종의 국내시판 김치에서 총 140주의 probiotics를 분리하였으며, 16S rRNA 염기서열 분석을 통해 L. plantarum이 53주(37.9%), E. faecium 27주(19.3%) 그리고 L. rhamnosus 7주(5.0%) 순으로 동정되었고, 12종(species)의 다양한 병원성 미생물 즉 S. Typhi, S. Enteritidis, E. coli O157:H7, S. flexneri, NAG Vibrio, L. monocytogenesis, Y. enterocolitica, S. aureus, S. pyogenes, G. vaginalis, C. albicans, P. acne에 대한 전체적인 항균성은 69주(49.3%)이었으며, 균종별로 살펴보면 L. plantarum 75.5%, L. sakei 66.7%, E. faecium 40.7%, 그리고 L. rhamnosus 28.6% 순이었다. 또한 디스크 확산법에 의한 18종의 다양한 계열의 항균제에 대한 내성시험 결과 nalidixic acid가 98.6%의 내성을, S 83.6%, gentamicin 75.7%, vancomycin 73.6%, norfloxacin 72.1%, 그리고 ciprofloxacin 67.9% 순으로 나타났다. 결론적으로 본 실험에서 다양한 항균활성과 광범위한 항생제 내성을 지닌 L. plantarum, L. sakei, 그리고 E. faecium 균주가 장기 항생제 치료환자에 대한 유용한 설사 치료용 및 Candida 속이 야기하는 여성질염 치료제로서의 사용이 유용할 것으로 생각된다.

To investigate the inhibition effect on pathogenic microbes and the antimicrobial resistance of probiotics, a total of 140 probiotics were isolated from 35 kinds of Korean commercially available Kimchi. Of those, L. plantarum was identified from 53 strains (37.9%), E. faecium from 27 strains (19.3%), and L. rhamnosus from 7 strains (5.0%) using 16S rRNA gene sequencing. Sixty nine strains (49.3%) showed overall antimicrobial activity against pathogenic microbes, namely S. Typhi, S. Enteritidis, E. coli O157:H7, S. flexneri, NAG Vibrio, Listeria monocytogenesis, Y. enterocolitica, S. aureus, S. pyogenes, G. vaginalis, C. albicans, and P. acne. The proportions of L. plantarum, E. faecium, and L. rhamnosus strains to pathogenic microbes were 75.5%, 40.7%, and 28.6%, respectively. In addition, a resistance test with 18 antimicrobial agents using a disk diffusion assay revealed a resistance incidence of 98.6% for nalidixic acid, 83.6% for streptomycin, 75.7% for gentamicin 73.6% for vancomycin, 72.1% for norfloxacin, and 67.9% for ciprofloxacin. In conclusion, L. plantarum, L. sakei, and E. faecium strains with various antimicrobial activities and broad antibiotic resistance are useful for treating diarrhea in long-term inpatients and for the alternative use for treating Candida species female vaginitis.

키워드

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피인용 문헌

  1. Probiotics의 병원성미생물에 대한 길항적 억제효과 vol.20, pp.12, 2019, https://doi.org/10.5762/kais.2019.20.12.110
  2. Antagonistic Effects of Lactobacillus plantarum on Candida albicans in ME-180 Cervical Carcinoma Cell Culture vol.13, pp.11, 2019, https://doi.org/10.5812/jjm.112449