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sequence alignment
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1
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1
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May 6, 2026
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Help - DADA2 microbiome analysis
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3
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19
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May 4, 2026
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An error was encountered while running DADA2 in R (return code 1), inspect stdout and stderr to learn more
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11
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68
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April 28, 2026
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Qiime version and singletons
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3
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39
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April 27, 2026
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High number of unique sequences in PacBio full-length 16S CCS data with DADA2
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2
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64
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April 24, 2026
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Low overlap due to poor reverse read quality in 2×300 bp V3–V4 amplicon sequencing (DADA2)
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1
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37
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April 13, 2026
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High but variable sequence loss (32-68%) during DADA2 filtering with V3-V4 amplicons (MiSeq 600 cycles)
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2
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82
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April 9, 2026
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Inadequate overlap for V3-V4 (paired-end) due to quality drop
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6
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92
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April 10, 2026
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Integrating V3-V4 and V4 16S datasets for large-scale meta-analysis: Is Greengenes2 the optimal choice for cross-region alignment?
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1
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106
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March 6, 2026
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Too many elements for DADA2 - denoise in batches?
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7
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123
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April 5, 2026
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Analysis with DADA2... Merge Read Length
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2
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38
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April 4, 2026
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denoise failure
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6
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59
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March 28, 2026
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Huge difference of DADA2 output with and without removing primers
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5
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90
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February 27, 2026
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Advice in best practice for handling multiple sequencing runs and subset analyses in QIIME 2 (DADA2)
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2
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56
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January 16, 2026
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pair ended demultiplexed qza file causing strange error.
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2
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54
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January 29, 2026
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High read loss due to artifacts and chimera after denoising 16S V3-V4 paired-end reads
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2
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59
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January 17, 2026
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Denoising low quality reverse reads in paired-end sequencing reads
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5
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74
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January 3, 2026
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Issue with UNITE classifier for ITS1
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2
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68
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January 2, 2026
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Error was encountered while running DADA2 in R (return code 1)
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9
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96
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January 5, 2026
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DADA2 denoising taking long time
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7
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99
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January 1, 2026
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Questions about performing quality control with dada2 and generating a feature table
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3
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44
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December 30, 2025
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DADA2 priors trimming
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1
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32
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November 18, 2025
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priors in qiime2-dada2
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4
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252
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November 18, 2025
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QIIME2 non-chimeric reads
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4
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76
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December 11, 2025
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DADA2 -- denoise
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2
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62
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November 7, 2025
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Significant 16S sequence loss while merging w/ DADA2, various truncation settings used
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3
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116
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December 6, 2025
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DADA2 Fails on AVITI Data
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8
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181
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November 29, 2025
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qiime dada2 denoise-paired is unresponsive
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3
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63
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November 27, 2025
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Interpreting KEGG vs MetaCyc pathways in 16S (PICRUSt2) functional prediction
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1
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134
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October 18, 2025
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Observed ASV richness drops after adding 3rd MiSeq library — why do I lose ~100 species when I merge libraries?
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4
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37
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November 16, 2025
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