Dandan Yuan1, Wen Chen2, Junjie Qin3, Dongqian Shen3, Youlin Qiao2, Beihua Kong1. 1. Department of Obstetrics and Gynecology, The First Affiliated Hospital of Baotou Medical College, Inner Mongolia University of Science and Technology Baotou 014010, Inner Mongolia, PR China. 2. Department of Cancer Epidemiology, National Cancer Center, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing 100021, PR China. 3. Digital Microbiota Technology Co., Ltd. Shenzhen 518110, PR China.
Abstract
BACKGROUND: To investigate the associations between Vaginal Pathogenic Community with Bacterial vaginosis, Candida vaginitis, and Trichomonas vaginalis in Chinese women. METHOD: In this experiment, ten BV, nine VVC, eight TV patients, and four non-infected healthy women were recruited. The vaginal samples were collected from the vaginal orifice, the middle of the vagina, and vaginal fornix from every participant and conducted with next-generation sequencing (NGS). The NGS was based upon the analysis of bacterial 16S rRNA genes by using the Illumina Miseq system. RESULTS: No significant difference in microbiome community structures was observed for the three sampling sites from the same subject. Compared with the healthy population, patients with BV and TV showed more diverse symptoms and had a lower amount of Lactobacillus but a higher number of BV-related bacteria like Atopobium, Dialister, Sneathia, Mobiluncus, and Prevotella. On the contrary, the species composition of the VVC group is relatively simple, which has a significantly high abundance of Lactobacillus. Eight genera, including Arcanobacterium, Clostridium, Moryella, Mobiluncus, Shuttleworthia, Dialister, Bulleidia, and Megasphaera, were closely correlated with BV. Among vaginal pathogenic bacteria, Anaerococcus, Lysobacter, Mycoplasma, Peptoniphilus, Sneathia, and Prevotella were more common, with higher copy numbers in the TV group. CONCLUSIONS: The data outlined the overall structure of vaginal communities, indicating that BV and TV were touching related to a sharp increase in the rich taxonomy and diversity of vaginal microbiota. VVC group presented a lower variety, with a significantly high abundance of Lactobacillus. AJTR
BACKGROUND: To investigate the associations between Vaginal Pathogenic Community with Bacterial vaginosis, Candida vaginitis, and Trichomonas vaginalis in Chinese women. METHOD: In this experiment, ten BV, nine VVC, eight TV patients, and four non-infected healthy women were recruited. The vaginal samples were collected from the vaginal orifice, the middle of the vagina, and vaginal fornix from every participant and conducted with next-generation sequencing (NGS). The NGS was based upon the analysis of bacterial 16S rRNA genes by using the Illumina Miseq system. RESULTS: No significant difference in microbiome community structures was observed for the three sampling sites from the same subject. Compared with the healthy population, patients with BV and TV showed more diverse symptoms and had a lower amount of Lactobacillus but a higher number of BV-related bacteria like Atopobium, Dialister, Sneathia, Mobiluncus, and Prevotella. On the contrary, the species composition of the VVC group is relatively simple, which has a significantly high abundance of Lactobacillus. Eight genera, including Arcanobacterium, Clostridium, Moryella, Mobiluncus, Shuttleworthia, Dialister, Bulleidia, and Megasphaera, were closely correlated with BV. Among vaginal pathogenic bacteria, Anaerococcus, Lysobacter, Mycoplasma, Peptoniphilus, Sneathia, and Prevotella were more common, with higher copy numbers in the TV group. CONCLUSIONS: The data outlined the overall structure of vaginal communities, indicating that BV and TV were touching related to a sharp increase in the rich taxonomy and diversity of vaginal microbiota. VVC group presented a lower variety, with a significantly high abundance of Lactobacillus. AJTR
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