여름정기학술대회
2022여름초록
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The
multi-omics is biological analysis approach to combine different omics data
such as genomics, proteomics, and metabolomic. It provides an integrated
perspective to better understand complicated biological events by observing and
interpreting a large amount of information focused on the association between
different parameters.
In
this study, we constructed various algorithms and statistical analysis that can
link metabolome and microbiome to prioritizing microbial species.
LC-MS
Orbitrap based untargeted metabolic analysis and Shotgun metagenomic sequencing
were performed in Healthy controls and non-alcoholic fatty liver disease
(NAFLD) patients fecal samples.
For
metabolomic data, we built retention time prediction model using five deep
& machine learning algorithms in R and python. The prediction models
allowed the accurate prediction of compounds from the unknown peak.
In
addition, we optimized the computational process for the association between
metabolome and microbiome data based on SPARCC algorithm, which guaranteed
robust and reliable correlation coefficient among heterogenous data matrix.
Finally,
we built cross-validation process based on leave-one-out algorithm in R. The
system enhanced validation step for the contribution of prioritized candidate
(microbial species) to KEGG modularity, metabolome, and host phenotype.
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