ArticleFrontiers in microbiology2016
Exopolysaccharides Play a Role in the Swarming of the Benthic Bacterium Pseudoalteromonas sp. SM9913.
Article in Frontiers in microbiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 15 citations in OpenAlex.
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- motA-mediated flagellar motility modulates biofilm formation and competitive nodulation inFrontiers in microbiology · 2025Article
- VmsR, a LuxR-Type Regulator, Contributes to Virulence, Cell Motility, Extracellular Polysaccharide Production and Biofilm Formation inInternational journal of molecular sciences · 2024Article
- Two genomic regions encoding exopolysaccharide production systems have complementary functions in B. cereus multicellularity and host interaction.Scientific reports · 2020Article
- The Potential of Cryptophyte Algae in Biomedical and Pharmaceutical Applications.Frontiers in pharmacology · 2020Review
- High Levels of COApplied and environmental microbiology · 2019Article
- Fis is a global regulator critical for modulation of virulence factor production and pathogenicity of Dickeya zeae.Scientific reports · 2018Article
- Bacteriophage Infectivity AgainstFrontiers in microbiology · 2018Article
- Biofilm Formation and Heat Stress Induce Pyomelanin Production in Deep-SeaFrontiers in microbiology · 2017Article
- Draft genome sequence ofStandards in genomic sciences · 2017Article
Corrections and comments
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Authors and funding
10 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Most marine bacteria secrete exopolysaccharide (EPS), which is important for bacterial survival in the marine environment. However, it is still unclear whether the self-secreted EPS is involved in marine bacterial motility. Here we studied the role of EPS in the lateral flagella-driven swarming motility of benthic bacterium Pseudoalteromonas sp. SM9913 (SM9913) by a comparison of wild SM9913 and ΔepsT, an EPS synthesis defective mutant. Reduction of EPS production in ΔepsT did not affect the growth rate or the swimming motility, but significantly decreased the swarming motility on a swarming plate, suggesting that the EPS may play a role in SM9913 swarming. However, the expression and assembly of lateral flagella in ΔepsT were not affected. Instead, ΔepsT had a different swarming behavior from wild SM9913. The swarming of ΔepsT did not have an obvious rapid swarming period, and its rate became much lower than that of wild SM9913 after 35 h incubation. An addition of surfactin or SM9913 EPS on the surface of the swarming plate could rescue the swarming level. These results indicate that the self-secreted EPS is required for the swarming of SM9913. This study widens our understanding of the function of the EPS of benthic bacteria.
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