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- Title
Complex sputum microbial composition in patients with pulmonary tuberculosis.
- Authors
Zelin Cui; Yuhua Zhou; Hong Li; Yan Zhang; Shulin Zhang; Shenjie Tang; Xiaokui Guo
- Abstract
Background: An increasing number of studies have implicated the microbiome in certain diseases, especially chronic diseases. In this study, the bacterial communities in the sputum of pulmonary tuberculosis patients were explored. Total DNA was extracted from sputum samples from 31 pulmonary tuberculosis patients and respiratory secretions of 24 healthy participants. The 16S rRNA V3 hyper-variable regions were amplified using bar-coded primers and pyro-sequenced using Roche 454 FLX. Results: The results showed that the microbiota in the sputum of pulmonary tuberculosis patients were more diverse than those of healthy participants (p<0.05). The sequences were classified into 24 phyla, all of which were found in pulmonary tuberculosis patients and 17 of which were found in healthy participants. Furthermore, many foreign bacteria, such as Stenotrophomonas, Cupriavidus, Pseudomonas, Thermus, Sphingomonas, Methylobacterium, Diaphorobacter, Comamonas, and Mobilicoccus, were unique to pulmonary tuberculosis patients. Conclusions: This study concluded that the microbial composition of the respiratory tract of pulmonary tuberculosis patients is more complicated than that of healthy participants, and many foreign bacteria were found in the sputum of pulmonary tuberculosis patients. The roles of these foreign bacteria in the onset or development of pulmonary tuberculosis should be considered by clinicians.
- Subjects
TUBERCULOSIS; CHRONIC diseases; SPUTUM; PSEUDOMONAS; MYCOBACTERIAL diseases
- Publication
BMC Microbiology, 2012, Vol 12, Issue 1, p276
- ISSN
1471-2180
- Publication type
Article
- DOI
10.1186/1471-2180-12-276