Effect of biofilm formation by Pseudoalteromonas spongiae on induction of larval settlement of the polychaete Hydroides elegans

Yi L. Huang, Sergey Dobretsov, Hairong Xiong, Pei Yuan Qian

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

The effects of culture conditions and chloramphenicol treatment on the induction of the marine bacterium Pseudoalteromonas spongiae to larval settlement of Hydroides elegans were investigated. The results showed that P. spongiae cells grown in the medium containing both yeast extract and peptone (YP-grown P. spongiae) was highly inductive to larval settlement, whereas P. spongiae cells grown in the medium containing only peptone (P-grown P. spongiae) or YP-grown P. spongiae cells treated with chloramphenicol at the onset of biofilm development (YPC-grown P. spongiae) did not induce larval settlement. Analysis of biofilm formation, biofilm structure, and the surface protein profile indicated that only the induction-capable YP-grown P. spongiae formed a well-developed biofilm, while the P-grown P. spongiae and the YPC-grown P. spongiae did not. We report here for the first time that bacterial biofilm formation was associated with its induction of larval settlement.

Original languageEnglish
Pages (from-to)6284-6288
Number of pages5
JournalApplied and Environmental Microbiology
Volume73
Issue number19
DOIs
Publication statusPublished - Oct 2007

Fingerprint

Pseudoalteromonas
larval settlement
polychaete
Biofilms
biofilm
Polychaeta
Peptones
peptones
Chloramphenicol
chloramphenicol
surface proteins
cells
yeast extract
yeast
Membrane Proteins
Yeasts
effect
Bacteria
bacterium
protein

ASJC Scopus subject areas

  • Biotechnology
  • Environmental Science(all)
  • Microbiology

Cite this

Effect of biofilm formation by Pseudoalteromonas spongiae on induction of larval settlement of the polychaete Hydroides elegans. / Huang, Yi L.; Dobretsov, Sergey; Xiong, Hairong; Qian, Pei Yuan.

In: Applied and Environmental Microbiology, Vol. 73, No. 19, 10.2007, p. 6284-6288.

Research output: Contribution to journalArticle

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