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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.11
- 수록면
- 1,411 - 1,422 (12page)
- DOI
- 10.5187/jast.2021.e126
이용수
초록· 키워드
오류제보하기
Lactobacillus acidophilus is a gram-positive, microaerophilic, and acidophilic bacterial species. L. acidophilus strains in the gastrointestinal tracts of humans and other animals have been profiled, but strains found in the canine gut have not been studied yet. Our study helps in understanding the genetic features of the L. acidophilus C5 strain found in the canine gut, determining its adaptive features evolved to survive in the canine gut environment, and in elucidating its probiotic functions. To examine the canine L. acidophilus C5 genome, we isolated the C5 strain from a Korean dog and sequenced it using PacBio SMRT sequencing technology. A comparative genomic approach was used to assess genetic relationships between C5 and six other strains and study the distinguishing features related to different hosts. We found that most genes in the C5 strain were related to carbohydrate transport and metabolism. The pan-genome of seven L. acidophilus strains contained 2,254 gene families, and the core genome contained 1,726 gene families. The phylogenetic tree of the core genes in the canine L. acidophilus C5 strain was very close to that of two strains (DSM20079 and NCFM) from humans. We identified 30 evolutionarily accelerated genes in the L. acidophilus C5 strain in the ratio of non-synonymous to synonymous substitutions (dN/dS) analysis. Five of these thirty genes were associated with carbohydrate transport and metabolism. This study provides insights into genetic features and adaptations of the L. acidophilus C5 strain to survive the canine intestinal environment. It also suggests that the evolution of the L. acidophilus genome is closely related to the host’s evolutionary adaptation process.
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등록된 정보가 없습니다.
참고문헌 (39)
참고문헌 신청
Leı̈la Bâati / 2000 / Study of the cryotolerance of Lactobacillus acidophilus: effect of culture and freezing conditions on the viability and cellular protein levels / International Journal of Food Microbiology 59(3):241~247
Sabina Fijan / 2014 / Microorganisms with Claimed Probiotic Properties: An Overview of Recent Literature / International Journal of Environmental Research and Public Health 11(5):4745~4767
Ljungh A / 2006 / Lactic acid bacteria as probiotics / Curr Issues Intest Microbiol 7:73~90
Andrew DuPont / 2014 / Systematic review of randomized controlled trials of probiotics, prebiotics, and synbiotics in inflammatory bowel disease / Clinical and Experimental Gastroenterology 7:473~487
Stefano Paolo Marelli / 2020 / Effects of probiotic Lactobacillus acidophilus D2/CSL (CECT 4529) on the nutritional and health status of boxer dogs / Veterinary Record 187(4):e28
Sabina Fijan / 2014 / Microorganisms with Claimed Probiotic Properties: An Overview of Recent Literature / International Journal of Environmental Research and Public Health 11(5):4745~4767
Ljungh A / 2006 / Lactic acid bacteria as probiotics / Curr Issues Intest Microbiol 7:73~90
Andrew DuPont / 2014 / Systematic review of randomized controlled trials of probiotics, prebiotics, and synbiotics in inflammatory bowel disease / Clinical and Experimental Gastroenterology 7:473~487
Stefano Paolo Marelli / 2020 / Effects of probiotic Lactobacillus acidophilus D2/CSL (CECT 4529) on the nutritional and health status of boxer dogs / Veterinary Record 187(4):e28
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