Pseudomonas putida KT2440 is HV1 certified, not GRAS

Linde F.C. Kampers, Rita J.M. Volkers, Vitor A.P. Martins dos Santos*

*Corresponding author for this work

Research output: Contribution to journalComment/Letter to the editorAcademic

15 Citations (Scopus)


Pseudomonas putida is rapidly becoming a workhorse for industrial production due to its metabolic versatility, genetic accessibility and stress-resistance properties. The P. putida strain KT2440 is often described as Generally Regarded as Safe, or GRAS, indicating the strain is safe to use as food additive. This description is incorrect. P. putida KT2440 is classified by the FDA as HV1 certified, indicating it is safe to use in a P1 or ML1 environment.

Original languageEnglish
Pages (from-to)845-848
JournalMicrobial Biotechnology
Issue number5
Early online date14 Jun 2019
Publication statusPublished - Sep 2019

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