지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.9
- 수록면
- 112 - 119 (8page)
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초록· 키워드
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In intubated patients, oral fungus including Candida rapidly can increase. Fungal infections cause a significant proportion of health care associated infections. For efficient prevention and management, characterization of the oral mycobiome is required. In this study, we tested two primers to characterize the oral mycobiome in intubated patients under mechanical ventilation support. Buccal samples from intubated patients were collected using Levine technique. Two primers (ITS3 and ITS7) targeting internal transcribed spacer (ITS)2 region was tested. Next generation sequencing was applied for mycobiome analysis. Alpha diversity, beta diversity and relative abundance was determined to compare the primer performance. The richness and evenness were significantly higher using ITS7 primer. When phylogenetic distance was included, there was no difference in richness. In beta diversity analysis, most of the samples were closely clustered suggesting that similar mycobiome structure was assigned by the tested primers. When relative abundance of the assigned taxa was compared, Candida was the most abundant genus. At the species level, similar species was assigned by both primers. However, C. sake, C. intermedia, C. parapsiolisis and Yarrowia porcina was only assigned by I TS3 primer, while Alternaria betae-kenyesis was only assigned by ITS7 primer. In intubated patients, diverse oral mycobiome was detected. Although the tested primers predicted similar mycobiome structure, there were several species that was uniquely assigned by each primer. Selecting optimum primer to characterize the oral mycobiome should provide better understanding the mycobiome community in oral cavity.
목차
INTRODUCTION
MATERIAL AND METHODS
RESULTS
DISCUSSION
REFERENCES
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