---
id: "claim:reliable-and-accurate-diagnostics-from-highly-multiplexed-sequencing-assays-202-1913269985:4572194cebdd3a96d77c"
kind: "claim"
title: "By generating BCL files from a set of FASTQ records and running the BCL files through bcl2fastq (code), we found that wh"
description: "By generating BCL files from a set of FASTQ records and running the BCL files through bcl2fastq (code), we found that when the sample sheet used for demultiplexing has two index barcodes that are Hamming distance n apart, bcl2fastq exists with an error when the Hamming distance used for error correction is less than n/2+1."
url: "https://sina.bio/claim/by-generating-bcl-files-from-a-set-of-fastq-records-and-running-the-bcl-7b9c91b4"
---

# By generating BCL files from a set of FASTQ records and running the BCL files through bcl2fastq (code), we found that wh

By generating BCL files from a set of FASTQ records and running the BCL files through bcl2fastq (code), we found that when the sample sheet used for demultiplexing has two index barcodes that are Hamming distance n apart, bcl2fastq exists with an error when the Hamming distance used for error correction is less than n/2+1.

## Content

By generating BCL files from a set of FASTQ records and running the BCL files through bcl2fastq (code), we found that when the sample sheet used for demultiplexing has two index barcodes that are Hamming distance n apart, bcl2fastq exists with an error when the Hamming distance used for error correction is less than n/2+1.

## Metadata

```json
{
  "claim_position": 79,
  "source_publication_id": "version:reliable-and-accurate-diagnostics-from-highly-multiplexed-sequencing-assays--2020-12-10-nature-scientific-reports",
  "source_work_id": "work:reliable-and-accurate-diagnostics-from-highly-multiplexed-sequencing-assays"
}
```

## Connections (2)

### Reliable and accurate diagnostics from highly multiplexed sequencing assays

- ID: `version:reliable-and-accurate-diagnostics-from-highly-multiplexed-sequencing-assays--2020-12-10-nature-scientific-reports`
- Kind: `publication`
- Direction: `incoming`
- URL: <https://sina.bio/publication/reliable-and-accurate-diagnostics-from-highly-multiplexed-sequencing-assays>

This publication contains this grounded claim.

> By generating BCL files from a set of FASTQ records and running the BCL files through bcl2fastq (code), we found that when the sample sheet used for demultiplexing has two index barcodes that are Hamming distance n apart, bcl2fastq exists with an error when the Hamming distance used for error correction is less than n/2+1.

Source: 2020-12-10-nature-scientific-reports.pdf — <https://sina.bio/source/2020-12-10-nature-scientific-reports-pdf>

### bcl2fastq sample-index correction can show unwanted behavior because correction thresholds depend on barcode distance an

- ID: `result:reliable-and-accurate-diagnostics-from-highly-multiplexed-sequencing-assays-202-1913269985:74efc40eb4b95098d81e`
- Kind: `result`
- Direction: `incoming`
- URL: <https://sina.bio/result/bcl2fastq-sample-index-correction-can-show-unwanted-behavior-because-co-a2835b5a>

This claim supports this result.
