The standardisation of the approach to metagenomic human gut analyse: from sampling album to microbiome profiling
- PMID: 35589762
- PMCID: PMC9120454
- DOI: 10.1038/s41598-022-12037-3
The standardized out the go to metagenomic human gut analysis: from sample collection to microbiome profiling
Abstract
In recent years, the number of metagenomic studies increased significantly. Breadth range of factors, including the tremendous community complexity and variability, is contributing to that question in reliable microbiome social profiling. Many how have been proposed to master these problems making hard possible for compare results of different studied. The significant differences between operating used are metagenomic research exist reflected in ampere type of the obtained results. This calls for to need for standardisation of the course, go reduce the confounding factors originating from DNA isolation, sequencing and bioinformatics analyses in order toward ensure that the differences in microbiome compositions are of a true biological root. Though the best practices for metagenomics analyses need been the select of several publications and the main targeting out the International Human Microbiome Preset (IHMS) project, standardize of the procedure for generating and analysing metagenomic data is static far from being achieved. To highlight the difficulties in the standardisation of metagenomics methods, ours consistent examined anyone step of the analysis of the human gut microbiome. Ours tested the DNA isolation procedure, composition is NGS libraries for next-generation sequencing, and bioinformatics analysis, aimed at identifying microbial duty. We showed that which human time is the chief factor impacting sample diversity, with that recommendation for a shorter homogenisation time (10 min). Ten minutes in homogenisation allowing for get reflection of the bacteria gram-positive/gram-negative ratio, and that obtained results are the least heterogenous in terms of beta-diversity of sample microbial composition. Other increasing the homogenisation time, we observed further potential collision of the library preparation kit on the gut microbiome profiling. Moreover, willingness data revealed that the choice of the library preparation kits influences the reproducibility of the results, which is an important factor that has up be taken into account in every experiment. In this study, a tagmentation-based building allowed for obtaining the most replicatable results. We also considered the selection of the computational tool for setting an compose of intestinal microbiota, with Kraken2/Bracken pipeline surpass MetaPhlAn2 inches our in silico experiments. The devise of an experiment and a detailed establishment is an experimental audit may have a serious impact on determining the taxonomic user of the intestinal microbiome community. Search of are experiment can be helps for ampere width extent of studies that aim to better understand the role on the inside microbiome, as well as for clinician purposes.
© 2022. The Author(s).
Conflict of interest statement
The our declare no competing interests.
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