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Gene name errors: Lessons not learned.

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Gene name errors in supplementary files persist despite prior warnings, with spreadsheets frequently misinterpreting gene symbols as dates or numbers. This highlights the ongoing challenge for computational biology research.

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Area of Science:

  • Bioinformatics
  • Computational Biology
  • Genomics

Background:

  • Gene name conversion errors in supplementary files have been a long-standing issue for computational biologists.
  • A 2016 report highlighted the prevalence of these errors, prompting an investigation into potential improvements.

Purpose of the Study:

  • To assess whether gene name errors in supplementary files decreased after the 2016 report.
  • To quantify the current extent of gene name conversion errors in scientific literature.

Main Methods:

  • A scan of supplementary files from PubMed Central published between 2014 and 2020 was conducted.
  • Improved scanning software was developed and utilized to identify gene name errors in supplementary Excel gene lists.

Main Results:

  • Gene name errors continued to accumulate unabated in the post-2016 period.
  • The developed scanning software identified gene name errors in 30.9% of articles with supplementary Excel gene lists, a higher rate than previously estimated.
  • Errors included conversion to dates, floating-point numbers, and internal date formats (five-digit numbers).

Conclusions:

  • Spreadsheets are unsuitable for handling large genomic datasets due to persistent gene name conversion errors.
  • The findings underscore the need for robust data handling practices in computational biology to prevent data integrity issues.