Effects of temperature and nutrient conditions on biofilm formation of pseudomonas putida

Kazuya Morimatsu, Kodai Eguchi, Daisuke Hamanaka, Fumihiko Tanaka, Toshitaka Uchino

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)


In this study, biofilm formation of Pseudomonas putida at a constant temperature of 5°C, 10°C, 20°C or 30°C under rich and poor nutrient conditions was investigated. For all temperature conditions, P. putida initially grew and formed biofilm. Subsequently, under the rich nutrient condition, the biofilm detached after it reached maturity at a high temperature, but those at a low temperature remained attached. In contrast, under the poor nutrient condition, biofilm detachment occurred regardless of the temperature condition; thus, lack of nutrients may cause biofilm detachment. Therefore, aside from cleaning blots and strict maintenance of a low temperature during the distribution of agricultural produce, attention must be paid to biofilm detachment as it can lead to an increased risk of bacterial contamination and food poisoning.

Original languageEnglish
Pages (from-to)879-883
Number of pages5
JournalFood Science and Technology Research
Issue number6
Publication statusPublished - 2012

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Food Science
  • General Chemical Engineering
  • Industrial and Manufacturing Engineering
  • Marketing


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