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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2008.4
- 수록면
- 257 - 261 (5page)
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초록· 키워드
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Previous studies have suggested a possible correlation between cell surface hydrophobicity (CSH) and stress tolerance in Bifidobacterium. In this study, the relationship was examined between CSH and environmental stress tolerance in Lactobacillus spp. By measuring the adhesion to hexadecane, 2 Lactobacillus fermentum strains- KLB 261 and KLB 231 were found to have high and low CSH, respectively. To measure their tolerance to various stresses, cells were subjected to salt (2 M NaCl), acid (pH 2), H<sub>2</sub>O<sub>2</sub> (0.01%, v/v), ethanol (20%, v/v), heat (60℃), and cold (?20℃). Compared with KLB 231, the hydrophobic KLB 261 was found to be much more resistant to the various stresses examined. After being subjected to different stresses for a period of time, KLB 261 and KLB 231 showed 50 and 0% survivability in 2 M NaCl, 108.2 and 0.6% in 0.01%(v/v) H<sub>2</sub>O<sub>2</sub>, 40.2%(v/v), and 3.7% at 60℃ incubation, 4 and 0.6% at ?20℃, 12.9 and 0.1% in pH 2, 33.8 and 0.2% in 20%(v/v) ethanol, respectively. Autoaggregation test and morphological observation were also conducted in an attempt to explain these differences. These results suggested that high CSH could strengthen the stress tolerance of lactobacilli.
목차
Abstract
Introduction
Materials and Methods
Results and Discussion
Acknowledgement
References
참고문헌 (27)
참고문헌 신청
1. [학술지(정기간행물)] - Jun-Tae Kim / 2006 / Isolation, Identification, and Probiotic Properties of Lactobacillus reuteri HY701 from Human Feces / Food Science and Biotechnology 15 (5) : 677 ~ 682
2. [학술지(정기간행물)] - Redondo-Lopez V / 1990 / Emerging role of lactobacilli in the control and maintenance of the vaginal microflora / Rev. Infect. Dis 12 : 856 ~ 872
3. [단행본] - Hammes WP / 1992 / The Genera Lactobacillus and Carnobacterium. In: The Prokaryotes: A Handbook on the Biology of Bacteria: Ecophysiology, Isolation, Identification, Applications. 2nd ed / Springer-Verlag : 1535 ~ 1594
4. [학술지(정기간행물)] - Choi SY / 2003 / Antimicrobial susceptibility and strain prevalence of Korean vaginal Lactobacillus spp / Anaerobe 9 : 277 ~ 280
5. [학술지(정기간행물)] - Vallor AC / 2001 / Factors associated with acquisition of, or persistent colonization by, vaginal lactobacilli: Role of hydrogen peroxide production / J. Infect. Dis 184 : 1431 ~ 1436
2. [학술지(정기간행물)] - Redondo-Lopez V / 1990 / Emerging role of lactobacilli in the control and maintenance of the vaginal microflora / Rev. Infect. Dis 12 : 856 ~ 872
3. [단행본] - Hammes WP / 1992 / The Genera Lactobacillus and Carnobacterium. In: The Prokaryotes: A Handbook on the Biology of Bacteria: Ecophysiology, Isolation, Identification, Applications. 2nd ed / Springer-Verlag : 1535 ~ 1594
4. [학술지(정기간행물)] - Choi SY / 2003 / Antimicrobial susceptibility and strain prevalence of Korean vaginal Lactobacillus spp / Anaerobe 9 : 277 ~ 280
5. [학술지(정기간행물)] - Vallor AC / 2001 / Factors associated with acquisition of, or persistent colonization by, vaginal lactobacilli: Role of hydrogen peroxide production / J. Infect. Dis 184 : 1431 ~ 1436
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UCI(KEPA) : I410-ECN-0101-2013-573-001015320