More than simply microbial growth curves

Ji Dong Gu*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


Bacterial growth is a very important piece of information in a wide range of investigation and, in most of the time the data are simply shown directly without any further processing. In a single factor investigation without comparative information to be extracted, this simple approach can be used together with other data to form a comprehensive set of results. When comparison is involved, such direct showing of bacterial growth curves without processing cannot warrant a meaningful comparison thoroughly and further processing of data is necessary. In addition, there is little, if any, quantitative data for the comparison from the display of growth curves and description of a number of curves is not a simple task, especially in a meaningful way for assimilation of the data to readers. With this in mind, I would like to remind of those who plan to show such data as growth curves for their potential publication to carry this further to gen-erate comparative results for a much meaningful interpretation by modeling and calculation from the raw growth data over time of incubation. By calculating with existing equations, the lag phase, growth rate and the biomass can be derived from a series of growth curves for a more effective and meaningful analysis. This approach is not new, but re-membrance of such available tool is more important so that research data are shown professionally and also scientifi-cally for meaning presentation and effective assimilation.

Original languageEnglish
Pages (from-to)63-65
Number of pages3
JournalApplied Environmental Biotechnology
Issue number1
StatePublished - 2017
Externally publishedYes


  • Bacterial growth curves
  • Bacterial physiology
  • Biomass
  • Maximum biomass yield
  • Maximum growth rate


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