NDLI: Dysbiosis Signature of Fecal Microbiota in Colorectal Cancer Patients

Content Provider	Springer Nature Link
Author	Wu, Na Yang, Xi Zhang, Ruifen Li, Jun Xiao, Xue Hu, Yongfei Chen, Yanfei Yang, Fengling Lu, Na Wang, Zhiyun Luan, Chunguang Liu, Yulan Wang, Baohong Xiang, Charlie Wang, Yuezhu Zhao, Fangqing Gao, George F. Wang, Shengyue Li, Lanjuan Zhang, Haizeng Zhu, Baoli
Copyright Year	2013
Abstract	The human gut microbiota is a complex system that is essential to the health of the host. Increasing evidence suggests that the gut microbiota may play an important role in the pathogenesis of colorectal cancer (CRC). In this study, we used pyrosequencing of the 16S rRNA gene V3 region to characterize the fecal microbiota of 19 patients with CRC and 20 healthy control subjects. The results revealed striking differences in fecal microbial population patterns between these two groups. Partial least-squares discriminant analysis showed that 17 phylotypes closely related to Bacteroides were enriched in the gut microbiota of CRC patients, whereas nine operational taxonomic units, represented by the butyrate-producing genera Faecalibacterium and Roseburia, were significantly less abundant. A positive correlation was observed between the abundance of Bacteroides species and CRC disease status (R = 0.462, P = 0.046 < 0.5). In addition, 16 genera were significantly more abundant in CRC samples than in controls, including potentially pathogenic Fusobacterium and Campylobacter species at genus level. The dysbiosis of fecal microbiota, characterized by the enrichment of potential pathogens and the decrease in butyrate-producing members, may therefore represent a specific microbial signature of CRC. A greater understanding of the dynamics of the fecal microbiota may assist in the development of novel fecal microbiome-related diagnostic tools for CRC.
Starting Page	462
Ending Page	470
Page Count	9
File Format	PDF
ISSN	00953628
Journal	Microbial Ecology
Volume Number	66
Issue Number	2
e-ISSN	1432184X
Language	English
Publisher	Springer US
Publisher Date	2013-06-04
Publisher Place	Boston
Access Restriction	Subscribed
Subject Keyword	Microbiology Ecology Microbial Ecology Geoecology/Natural Processes Nature Conservation
Content Type	Text
Resource Type	Article
Subject	Soil Science Ecology Ecology, Evolution, Behavior and Systematics

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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