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. 2023 Feb 28;18:7. doi: 10.1186/s13062-023-00362-0

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© The Author(s) 2023

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.

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Fig. 1 — The total number of genes that has been mentioned in relation to the total number publications with E. coli K-12 MG1655 gene names from year 1939 to year 2021. The number of publications (left y-axis) for each year is represented by the red line, whereas the total number of genes mentioned (right y-axis) is shown by the blue line. The blue dashed vertical lines delimit the expansion period for the total number of genes from year 1965 to 2009 until it apparently plateaued after year 2019. The red dashed vertical lines at year 1970 and year 2007 emphasize the two publication periods from year 1970 to year 2007 and year 2007 to year 2021. The ratio of the number of publications in each year to the total number of new genes identified in each year is shown in the inset