Background: The role of microbiota in Crohn's disease (CD) is increasingly recognized. However, most of the reports are from Western populations. Considering the possible variation from other populations, the aim of this study was to describe the microbiota profile in children with CD in Saudi Arabia, a non-Western developing country population.
Results: Significantly more abundant genera in children with CD included and whereas the most significantly-depleted genera included and Alpha diversity was significantly reduced in stool (p = 0.03) but not in mucosa (p = 0.31). Beta diversity showed significant difference in community composition between control and CD samples (p = 0.03).
Conclusion: In this developing country, we found a pattern of microbiota in children with CD similar to Western literature, suggesting a role of recent dietary lifestyle changes in this population on microbiota structure.
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http://dx.doi.org/10.1186/s13099-018-0276-3 | DOI Listing |
Microbiol Spectr
January 2025
State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
Considering that the human microbiota plays a critical role in health and disease, an accurate and high-resolution taxonomic classification is thus essential for meaningful microbiome analysis. In this study, we developed an automatic system, named MultiTax pipeline, for generating taxonomy from full-length 16S rRNA sequences using the Genome Taxonomy Database and other existing reference databases. We first constructed the MultiTax-human database, a high-resolution resource specifically designed for human microbiome research and clinical applications.
View Article and Find Full Text PDFMycoses
January 2025
Unité de Parasitologie-Mycologie, Département de Prévention, Diagnostic et Traitement Des Infections, CHU Henri Mondor, Assistance Publique Des Hôpitaux de Paris (APHP), Creteil, France.
Background: The airways of patients with cystic fibrosis (pwCF) harbour complex fungal and bacterial microbiota involved in pulmonary exacerbations (PEx) and requiring antimicrobial treatment. Descriptive studies analysing bacterial and fungal microbiota concomitantly are scarce, especially using both culture and high-throughput-sequencing (HTS).
Objectives: We analysed bacterial-fungal microbiota and inter-kingdom correlations in two French CF centres according to clinical parameters and antimicrobial choices.
Sci Rep
January 2025
Department of Microbiology, Division of Laboratory Medicine, Oslo University Hospital, 0372, Oslo, Norway.
The respiratory tract is colonized with low-density microbial communities, which have been shown to impact human respiratory health through microbiota-host interactions. However, a lack of fast and cost-effective nucleic acid extraction method for low-microbial biomass samples hinders investigation of respiratory microbiota. Here, we performed a pilot study to assess the suitability of the NAxtra nucleic acid extraction protocol for profiling bacterial microbiota in respiratory samples.
View Article and Find Full Text PDFTrends Mol Med
January 2025
Millennium Institute of Immunology and Immunotherapy, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile; Departamento de Endocrinología, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile. Electronic address:
Inflammatory bowel disease (IBD) is a chronic inflammatory disorder that represents a significant public health challenge worldwide. This multifactorial condition results from complex interactions among genetic, environmental, immune, and microbial factors. Some beneficial microbes, known as probiotics, have been identified as promising therapeutic agents for inflammatory conditions, such as IBD.
View Article and Find Full Text PDFJ Allergy Clin Immunol
January 2025
Department of Public Health Sciences, Henry Ford Health, Detroit, MI; Center for Bioinformatics, Henry Ford Health, Detroit, MI. Electronic address:
Background: Nocturnal cough affects approximately 1 in 3 children, can negatively impact child health, and is often attributable to asthma. The association of the gut microbiome with nocturnal cough has not been investigated.
Objective: To investigate the association between early-life gut microbiome composition and nocturnal cough overall and in the context of asthma.
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