Impact of Alginate Overproduction on Attachment and Biofilm Architecture of a Supermucoid Pseudomonas aeruginosa Strain | Zendy

Iain D. Hay | Zendy; Kali Gatland | Zendy; Andrea Campisano | Zendy; J. Z. Jordens | Zendy; Bernd H. A. Rehm | Zendy

Open Access

Impact of Alginate Overproduction on Attachment and Biofilm Architecture of a Supermucoid Pseudomonas aeruginosa Strain

Author(s) -

Iain D. Hay,

Kali Gatland,

Andrea Campisano,

J. Z. Jordens,

Bernd H. A. Rehm

Publication year - 2009

Publication title -

applied and environmental microbiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.552

H-Index - 324

eISSN - 1070-6291

pISSN - 0099-2240

DOI - 10.1128/aem.01078-09

Subject(s) - overproduction , biofilm , pseudomonas aeruginosa , strain (injury) , microbiology and biotechnology , pseudomonas , pseudomonadaceae , bacteria , biology , chemistry , pseudomonadales , biochemistry , enzyme , genetics , anatomy

The supermucoid Pseudomonas aeruginosa strain PDO300Deltaalg8(pBBR1MCS-5:alg8) showed strongly impaired attachment compared with the respective mucoid or nonmucoid strains and formed a thicker biofilm with large extended mushroom-like microcolonies. Alginate lyase treatment dissolved microcolonies. The data suggested that alginate overproduction impairs attachment but plays a structural role in microcolony formation.

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