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Current microbiology. 2025 Apr 10;82(6):240. doi: 10.1007/s00284-025-04200-6 Q32.62025

Flavourzyme Suppresses Pseudomonas aeruginosa Biofilms by Targeting Motility, Quorum Sensing, and Virulence Genes

风味酶通过靶向运动性、群体感应和毒力基因抑制绿脓杆菌生物被膜形成 翻译改进

Shamsun Nahar  1  2  3, A G M Sofi Uddin Mahamud  1  2  4, Ah Jin Cho  1  2, Md Ashrafudoulla  1  2  5, Jisu Yu  6, Si Hong Park  7, Sang-Do Ha  8  9

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作者单位

  • 1 Department of Food Safety and Regulatory Science, Chung-Ang University, Anseong-si, Gyeonggi-do, 17546, Republic of Korea.
  • 2 GreenTech-Based Food Safety Research Group, Chung-Ang University, BK21 Four, 4726 Seodong-Daero, Anseong-si, Gyeonggi-do, 17546, Republic of Korea.
  • 3 Department of Obstetrics, Gynecology, and Women's Health, University of Missouri, Columbia, MO, 65211, USA.
  • 4 Department of Microbiology, University of Georgia, Athens, GA, 30602, USA.
  • 5 National Institutes of Health, 9000 Rockville Pike, Bethesda, MD, 20892, USA.
  • 6 Lotte R&D Center, 201, Magokjungang-ro, Gangseo-gu, Seoul, 07594, Republic of Korea.
  • 7 Department of Food Science & Technology, Oregon State University, Corvallis, OR, 97331, USA.
  • 8 Department of Food Safety and Regulatory Science, Chung-Ang University, Anseong-si, Gyeonggi-do, 17546, Republic of Korea. sangdoha@cau.ac.kr.
  • 9 GreenTech-Based Food Safety Research Group, Chung-Ang University, BK21 Four, 4726 Seodong-Daero, Anseong-si, Gyeonggi-do, 17546, Republic of Korea. sangdoha@cau.ac.kr.
  • DOI: 10.1007/s00284-025-04200-6 PMID: 40210784

    摘要 中英对照阅读

    The biofilm-mediated persistence of Pseudomonas aeruginosa in the food and biomedical sectors is currently a global concern. In light of this challenge, this study investigated a preventive approach against P. aeruginosa biofilm formation using Flavourzyme, a food-grade peptidase, considering its antibiofilm potential. The results revealed that a co-culture comprising 300 µL/mL (1 × minimum inhibitory concentration [MIC]) of Flavourzyme could kill P. aer... ...点击完成人机验证后继续浏览

    铜绿假单胞菌(Pseudomonas aeruginosa)在食品和生物医学领域中由于生物膜导致的持久性问题目前已成为全球关注的问题。鉴于这一挑战,本研究调查了使用食品级肽酶Flavourzyme预防铜绿假单胞菌生物膜形成的方法,并考虑其抗生物膜潜力。结果表明,在包含300 µL/mL(1 × 最低抑菌浓度 [MIC])的Flavourzyme共培养中可以杀死铜绿假单胞菌。在MBEC™ 生物膜形成装置上,0.125 × MIC 的Flavourzyme 可以抑制 > 4.5 log CFU/peg 的生物膜形成。细胞运动性和群体感应(QS)分子如N-酰基高丝氨酸内酯(AHLs),包括C4-HSL的生物合成在0.06 × MIC的Flavourzyme浓度下显著下降,在0.125 × MIC 浓度时无法检测到。有趣的是,虽然 0.03 × MIC 的Flavourzyme 引起了群体感应和毒力调节基因的不同表达,但在 ≥ 0.06 × MIC 的Flavourzyme 浓度下显著抑制了相对基因组的表达。本研究提出Flavourzyme 是一种有效的抗生物膜剂,对抗铜绿假单胞菌生物膜,并推荐在食品保存中有效使用的特定浓度。

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    期刊名:Current microbiology

    缩写:CURR MICROBIOL

    ISSN:0343-8651

    e-ISSN:1432-0991

    IF/分区:2.6/Q3

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    Flavourzyme Suppresses Pseudomonas aeruginosa Biofilms by Targeting Motility, Quorum Sensing, and Virulence Genes