Journal
JOURNAL OF THORACIC DISEASE
Volume 8, Issue 6, Pages -Publisher
PIONEER BIOSCIENCE PUBL CO
DOI: 10.21037/jtd.2016.04.63
Keywords
Pneumonia; Streptococcus pneumoniae (S. pneumoniae); Mycoplasma pneumoniae (M. pneumoniae); microbiota
Categories
Funding
- Key Medical Disciplines Building Project of Shenzhen [201506053]
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Pneumonia is one of the most serious diseases for children, with which lung microbiota are proved to be associated. We performed 16S rDNA analysis on broncho-alveolar lavage fluid (BALF) for 32 children with tracheomalacia (C group), pneumonia infected with Streptococcus pneumoniae (S. pneumoniae) (D1 group) or Mycoplasma pneumoniae (M. pneumoniae) (D2 group). Children with tracheomalacia held lower microbial diversity and accumulated Lactococcus (mean +/- SD, 45.21%+/- 5.07%, P value <0.05), Porphyromonas (0.12%+/- 0.31%, P value <0.05). D1 and D2 group were enriched by Streptococcus (7.57%+/- 11.61%, P value <0.01 when compared with D2 group) and Mycoplasma (0.67%+/- 1.25%, P value <0.01) respectively. Bacterial correlation in C group was mainly intermediated by Pseudomonas and Arthrobacter. Whilst, D1 group harbored simplest microbial correlation in three groups, and D2 group held the most complicated network, involving enriched Staphylococcus (0.26%+/- 0.71%), Massilia (0.81%+/- 2.42%). This will be of significance for understanding pneumonia incidence and progression more comprehensively, and discerning between bacterial infection and carriage.
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