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자료유형
학술저널
저자정보
Wen Ren (Peking University School and Hospital of Stomatology) Qun Zhang (Peking University School and Hospital of Stomatology) Xuenan Liu (Peking University School and Hospital of Stomatology) Shuguo Zheng (Peking University School and Hospital of Stomatology) Lili Ma (China-Japan Friendship Hospital) Feng Chen (Peking University School and Hospital of Stomatology) Tao Xu (Peking University School and Hospital of Stomatology) Baohua Xu (China-Japan Friendship Hospital)
저널정보
한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제26권 제12호
발행연도
2016.12
수록면
2,141 - 2,147 (7page)
DOI
10.4014/jmb.1605.05012

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As one of the most complex human-associated microbial habitats, the oral cavity harbors hundreds of bacteria. Halitosis is a prevalent oral condition that is typically caused by bacteria. The aim of this study was to analyze the microbial communities and predict functional profiles in supragingival plaque from healthy individuals and those with halitosis. Ten preschool children were enrolled in this study; five with halitosis and five without. Supragingival plaque was isolated from each participant and 16S rRNA gene pyrosequencing was used to identify the microbes present. Samples were primarily composed of Actinobacteria, Bacteroidetes, Proteobacteria, Firmicutes, Fusobacteria, and Candidate phylum TM7. The α and β diversity indices did not differ between healthy and halitosis subjects. Fifteen operational taxonomic units (OTUs) were identified with significantly different relative abundances between healthy and halitosis plaques, and included the phylotypes of Prevotella sp., Leptotrichia sp., Actinomyces sp., Porphyromonas sp., Selenomonas sp., Selenomonas noxia, and Capnocytophaga ochracea. We suggest that these OTUs are candidate halitosis-associated pathogens. Functional profiles were predicted using PICRUSt, and nine level-3 KEGG Orthology groups were significantly different. Hub modules of co-occurrence networks implied that microbes in halitosis dental plaque were more highly conserved than microbes of healthy individuals’ plaque. Collectively, our data provide a background for the oral microbiota associated with halitosis from supragingival plaque, and help explain the etiology of halitosis.

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