Author

Philipp Johnen

BASF (Germany)ORCID 0000-0002-4512-9508Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Signature Assays, Organisms & Methods

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Approach:experimental assay· 2 Research Focus:host-pathogen & immune response· 2 Research Focus:drug response / drug discovery· 1 Organism:plant (other)· 1

Frequent Co-Authors

Aimone PorriiD· 2 shared Michael BetziD· 2 shared Breght Vandenberghe· 1 shared Brian M. Jenks· 1 shared Charles M. GeddesiD· 1 shared Fabienne Baumann· 1 shared Frank Brändle· 1 shared Heike Heiser· 1 shared

Activity by Year

2026-2026 · peak 2/yr

Co-Author Collaboration Network

10 top collaborators · 38 mutual co-author links

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2 shared papersPlant Biology

Aimone PorriORCID

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2 papers

Recent·Most cited

Fendioxypyracil, a new and systemic PPO-inhibiting herbicide for X-spectrum weed control

Tobias Seiser, Aimone Porri, Philipp Johnen, Silke Zeyer, Judith Wahrheit, Michael Betz, Breght Vandenberghe, Scott Asher, Liliana Parra Rapado

This paper introduces fendioxypyracil, a new PPO-inhibiting herbicide, showing high efficacy against various weeds and confirming its mode of action through physiological and enzyme assays.

Pest Management Science · Mar 28, 2026Peer-reviewedPlant Biology

Novel Protoporphyrinogen oxidase 1 mutations endow resistance to PPO-inhibiting herbicides in Bassia scoparia

Aimone Porri, Quincy D. Law, Charles M. Geddes, Joseph T. Ikley, Samuel D. Willingham, Philipp Johnen, Ingo Meiners, Sama Al-Sammarraie, Kim Crommar, Pieter B. F. Ouwerkerk, Michael Betz, Brian M. Jenks, Heike Heiser, Fabienne Baumann, Frank Brändle, Jens Lerchl

This study identifies PPO1 mutations in Bassia scoparia that confer resistance to PPO-inhibiting herbicides, with fomesafen remaining effective against resistant biotypes.

bioRxiv · Jan 15, 2026 · PreprintBiochemistry