How to inhibit the flagellum-mediated movement of bacterial cells?

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Nadia Banos

some species with a change in the incubation

temperature range lose their motility

Daria Ciecholewska-Juśko

I don't know on what type of bacteria You're working, but there is some research about inhibitors of flagella formation/bacterial motility:

Article The Effect of Inhibitors on the Formation of Flagella by Sal...

https://aac.asm.org/content/55/9/4134.short

Article Inactivation of a putative flagellar motor switch protein Fl...

Article Reversible inhibition of flagella formation after specific i...

Article Inhibition of bacterial motility and spreading via release o...