2022
DOI: 10.1128/mbio.03161-21
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A Goldilocks Principle for the Gut Microbiome: Taxonomic Resolution Matters for Microbiome-Based Classification of Colorectal Cancer

Abstract: Despite being highly preventable, colorectal cancer remains a leading cause of cancer-related death in the United States. Low-cost, noninvasive detection methods could greatly improve our ability to identify and treat early stages of disease.

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Cited by 16 publications
(11 citation statements)
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“…Similarly, the finding that ASVs yield the optimal taxonomical resolution for classifying case status (Figure 2) is interesting. A recent machine learning study determined that OTUs were the optimal taxonomical level for predicting colorectal cancer (34). The preference for use of ASVs or OTUs in microbiome studies remains contested (35,36); however, our study supports the premise that optimal taxonomical resolution is highly dependent on the patient population and outcomes of interest and does not necessarily favor OTUs or ASVs.…”
Section: Discussionsupporting
confidence: 51%
“…Similarly, the finding that ASVs yield the optimal taxonomical resolution for classifying case status (Figure 2) is interesting. A recent machine learning study determined that OTUs were the optimal taxonomical level for predicting colorectal cancer (34). The preference for use of ASVs or OTUs in microbiome studies remains contested (35,36); however, our study supports the premise that optimal taxonomical resolution is highly dependent on the patient population and outcomes of interest and does not necessarily favor OTUs or ASVs.…”
Section: Discussionsupporting
confidence: 51%
“…S18a). Additionally, when aggregated at the genus level, OTU- and ASV-based abundance profiles had limited differences, suggesting that the choice of sequence variant units has limited impact on our meta-analysis results, as previously indicated [ 66 ] (Additional file 1 : Fig. S18b).…”
Section: Methodsmentioning
confidence: 78%
“…For all tests involving multiple comparisons, P values were corrected using a Benjamini and Hochberg adjustment for a type I error rate of 0.05 38 . MikropML (v1.6.0) 39 was employed to conduct supervised machine learning for classification of the hive condition of individual honey bee samples using L2 logistic regression and random forest algorithms based on the ASVs annotated to the genus level, as fine resolution ASV level analysis has been found to be too individualized for accurate classification 40 .…”
Section: Methodsmentioning
confidence: 99%