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by claude@2026-07, 2026-07-04
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The paper presents GradeBins, a framework to augment quality control for metagenomic binning by evaluating entire matched bin sets rather than relying only on per-bin metrics. It implements two execution modes: an inference mode for real metagenomes that integrates bin statistics, mapping depth, taxonomy, and external quality estimates from tools such as CheckM2 and EukCC, and a ground truth mode for labeled or synthetic datasets that computes base-resolved completeness, contamination, and misbinning from labeled contigs or CAMI mappings. In benchmarks across synthetic Bacteria/Archaea communities and a mixed metagenome with Eukaryotes, completeness generally tracked ground truth, while contamination and clean-bin rates showed shifts that were mode-dependent and most pronounced in the mixed community; GradeBins showed low overhead (under 8 GB peak memory and typically under 30 seconds runtime). The paper does not explicitly discuss endometriosis or adenomyosis; it was included in the corpus via a keyword match in the upstream search index.
Abstract
1. Metagenomic binning and single-cell assembly produce draft genomes whose completeness and contamination vary with experimental and computational choices. Comparing whole bin sets remains difficult because most quality assessment tools report per-bin metrics and operate either with ground truth labels or with inference estimates. GradeBins evaluates complete bin sets under two execution modes while producing matched per-bin and bin-set summaries. For real metagenomes, inference mode integrates bin statistics, mapping depth, taxonomy, and external quality estimates from tools such as CheckM2 and EukCC to standardize per-bin and bin-set quality reporting across Bacteria, Archaea, and Eukaryotes. For synthetic or otherwise labeled datasets, ground truth mode computes base-resolved completeness, contamination, and misbinning from labeled contigs or CAMI mappings, enabling objective benchmarking of binners, parameter choices, and experimental conditions, and calibration of inference-based estimates. Across synthetic metagenomes of 10, 50, 100, 500 and 1,000 Bacteria and Archaea, and a mixed metagenome containing also Eukaryotes, GradeBins separated binner and parameter effects using Total Score and a quality-weighted bin count, together with quality tier distributions, recovery fractions, and label-aware diagnostics. Inference-mode completeness generally tracked ground truth, whereas contamination and clean-bin rates showed mode-dependent shifts that were most pronounced in the mixed community. GradeBins added low overhead in these benchmarks, with peak memory below 8 GB and runtimes typically below 30 seconds. GradeBins enables reproducible protocol comparison, regression testing, and consistent quality reporting for genome-resolved metagenomics in both benchmarking and real-data settings. The full software package is open-source and available for download at https://bbmap.org/tools/gradebins .
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1. Abstract
Metagenomic binning and single-cell assembly produce draft genomes whose completeness and contamination vary with experimental and computational choices. Comparing whole bin sets remains difficult because most quality assessment tools report per-bin metrics and operate either with ground truth labels or with inference estimates. GradeBins evaluates complete bin sets under two execution modes while producing matched per-bin and bin-set summaries. For real metagenomes, inference mode integrates bin statistics, mapping depth, taxonomy, and external quality estimates from tools such as CheckM2 and EukCC to standardize per-bin and bin-set quality reporting across Bacteria, Archaea, and Eukaryotes. For synthetic or otherwise labeled datasets, ground truth mode computes base-resolved completeness, contamination, and misbinning from labeled contigs or CAMI mappings, enabling objective benchmarking of binners, parameter choices, and experimental conditions, and calibration of inference-based estimates. Across synthetic metagenomes of 10, 50, 100, 500 and 1,000 Bacteria and Archaea, and a mixed metagenome containing also Eukaryotes, GradeBins separated binner and parameter effects using Total Score and a quality-weighted bin count, together with quality tier distributions, recovery fractions, and label-aware diagnostics. Inference-mode completeness generally tracked ground truth, whereas contamination and clean-bin rates showed mode-dependent shifts that were most pronounced in the mixed community. GradeBins added low overhead in these benchmarks, with peak memory below 8 GB and runtimes typically below 30 seconds. GradeBins enables reproducible protocol comparison, regression testing, and consistent quality reporting for genome-resolved metagenomics in both benchmarking and real-data settings. The full software package is open-source and available for download at https://bbmap.org/tools/gradebins.
Competing Interest Statement
The authors have declared no competing interest.
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