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In Vitro Probiotic Characteristics of the Lactococcus Lactis Subsp. Hordniae Strain UAB10 Isolated from Aloe Vera

  • Hyung Jin Lim
  • , Yeong Seon Won
  • , Seon Gyeong Bak
  • , Soyoung Lee
  • , Bomi Ryu
  • , Seon Heui Cha
  • , Tae Ho Kwon
  • , Kyu Suk Shim
  • , Jisu Jeon
  • , Hyuck Se Kwon
  • , Seung Woong Lee
  • , Seung Jae Lee
  • , Mun Chual Rho
  • Korea Research Institute of Bioscience and Biotechnology
  • Pukyong National University
  • Hanseo University
  • University of Science and Technology UST
  • Univera Co., Ltd.
  • Ltd.
  • Jeonbuk National University

Research output: Contribution to journalArticlepeer-review

Abstract

We have isolated 15 bacterial strains from Aloe vera gel. Among them, we selected the Lactococcus lactis subsp. hordniae strain UAB10 based on its inhibition of IL-6-induced STAT3 activation and its ability to adhere to intestinal epithelial cells. UAB10 showed strong inhibition of interleukin-6-induced signal transducer and activator of transcription 3 activation. The UAB10 isolate showed superior adhesion to Caco-2 cells compared with KTCT 3768, a reference L. lactis subsp. hordniae strain. The UAB10 isolate displayed no hemolytic activity and more potent anti-Shigella flexneri activity than KTCT 3768. Furthermore, UAB10 was able to survive better than KTCT 3768 in oxgall-containing De Man, Rogosa, and Sharpe agar media and low-pH De Man, Rogosa, and Sharpe agar media. Finally, UAB10 did not show any resistance against the eight tested antibiotics, including ampicillin, vancomycin, and gentamicin. These results highlight the potential for the use of UAB10 as a commercial probiotic.

Original languageEnglish
Pages (from-to)60-65
Number of pages6
JournalCurrent Topics in Nutraceutical Research
Volume21
Issue number1
DOIs
StatePublished - Feb 2023

Keywords

  • Aloe vera
  • Antibiotic resistance
  • IL-6/STAT3
  • Lactococcus lactis subsp. hordniae
  • Probiotic characteristics
  • Probiotics

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