ArticleApplied and environmental microbiology2013
Induction of biofilm formation in the betaproteobacterium Burkholderia unamae CK43B exposed to exogenous indole and gallic acid.
Article in Applied and environmental microbiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 22 citations in OpenAlex.
- Modulation of Biofilm Mechanics by DNA Structure and Cell Type.ACS biomaterials science & engineering · 2022Article
- Indole decreases the virulence of the bivalve model pathogens Vibrio tasmaniensis LGP32 and Vibrio crassostreae J2-9.Scientific reports · 2022Article
- Bidirectional Cell-Cell Communication via Indole and Cyclo(Pro-Tyr) Modulates Interspecies Biofilm Formation.Applied and environmental microbiology · 2021Article
- Oxidative Stress Response inPathogens (Basel, Switzerland) · 2021Review
- Topical ferumoxytol nanoparticles disrupt biofilms and prevent tooth decay in vivo via intrinsic catalytic activity.Nature communications · 2018Article
- Indole Biodegradation in Acinetobacter sp. Strain O153: Genetic and Biochemical Characterization.Applied and environmental microbiology · 2017Article
- Biofilm three-dimensional architecture influences in situ pH distribution pattern on the human enamel surface.International journal of oral science · 2017Article
- Systematic investigation and microbial community profile of indole degradation processes in two aerobic activated sludge systems.Scientific reports · 2015Article
- Highly active modulators of indole signaling alter pathogenic behaviors in Gram-negative and Gram-positive bacteria.Chemistry (Weinheim an der Bergstrasse, Germany) · 2013Article
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Authors and funding
3 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Burkholderia unamae CK43B, a member of the Betaproteobacteria that was isolated from the rhizosphere of a Shorea balangeran sapling in a tropical peat swamp forest, produces neither indole nor extracellular polymeric substances associated with biofilm formation. When cultured in a modified Winogradsky's medium supplemented with up to 1.7 mM indole, B. unamae CK43B maintains its planktonic state by cell swelling and effectively degrades exogenous indole. However, in medium supplemented with 1.7 mM exogenous indole and 1.0 mM gallic acid, B. unamae CK43B produced extracellular polymeric substances and formed a biofilm. The concentration indicated above of gallic acid alone had no effect on either the growth or the differentiation of B. unamae CK43B cells above a certain concentration threshold, whereas it inhibited indole degradation by B. unamae CK43B to 3-hydroxyindoxyl. In addition, coculture of B. unamae CK43B with indole-producing Escherichia coli in nutrient-rich Luria-Bertani medium supplemented with 1.0 mM gallic acid led to the formation of mixed cell aggregates. The viability and active growth of B. unamae CK43B cells in a coculture system with Escherichia coli were evidenced by fluorescence in situ hybridization. Our data thus suggest that indole facilitates intergenus communication between indole-producing gammaproteobacteria and some indole-degrading bacteria, particularly in gallic acid-rich environments.
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