The Compound 2-Hexyl, 5-Propyl Resorcinol Has a Key Role in Biofilm Formation by the Biocontrol Rhizobacterium PCL1606

Overview

Journal Front Microbiol

Specialty Microbiology

Date 2019 Mar 16

PMID 30873149

Citations 12

Authors

Claudia E Calderon

Sandra Tienda

Zaira Heredia-Ponce

Eva Arrebola

Gerardo Carcamo-Oyarce

Leo Eberl

Francisco M Cazorla

Affiliations

Soon will be listed here.

Abstract

The production of the compound 2-hexyl-5-propyl resorcinol (HPR) by the biocontrol rhizobacterium PCL1606 (PcPCL1606) is crucial for fungal antagonism and biocontrol activity that protects plants against the phytopathogenic fungus . The production of HPR is also involved in avocado root colonization during the biocontrol process. This pleiotrophic response prompted us to study the potential role of HPR production in biofilm formation. The swimming motility of PcPLL1606 is enhanced by the disruption of HPR production. Mutants impaired in HPR production, revealed that adhesion, colony morphology, and typical air-liquid interphase pellicles were all dependent on HPR production. The role of HPR production in biofilm architecture was also analyzed in flow chamber experiments. These experiments revealed that the HPR mutant cells had less tight unions than those producing HPR, suggesting an involvement of HPR in the production of the biofilm matrix.

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