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    Gut microbiota community characteristics and disease-related microorganism pattern in a population of healthy Chinese people. Zhang Wen,Li Juan,Lu Shan,Han Na,Miao Jiaojiao,Zhang Tingting,Qiang Yujun,Kong Yanhua,Wang Hong,Gao Tongxin,Liu Yuqing,Li Xiuwen,Peng Xianhui,Chen Xia,Zhao Xiaofei,Che Jie,Zhang Ling,Chen Xi,Zhang Qing,Hu Ming,Li Qun,Kan Biao Scientific reports China's population accounts for about 1/5 of the world's total population. Owing to differences in environment, race, living habits, and other factors, the structure of the intestinal flora of Chinese individuals is expected to have unique features; however, this has not been thoroughly examined. Here, we collected faecal samples from healthy adults living in three cities of China and investigated their gut microbiome using metagenomics and bioinformatics technology. We found that 11 core bacterial genera were present in all of the Chinese faecal samples; moreover, several patient characteristics (age, region, body mass index, physical exercise, smoking habits, and alcoholic drink, and yogurt consumption) were found to have different effects on the gut microbiome of healthy Chinese people. We also examined the distribution patterns of disease-related microorganisms (DRMs), revealing which DRMs can potentially be used as markers for assessment of health risk. We also developed a program called "Guthealthy" for evaluating the health status associated with the microbiome and DRM pattern in the faecal samples. The microbiota data obtained in this study will provide a basis for a healthy gut microbiome composition in the Chinese population. 10.1038/s41598-018-36318-y