Applied Microbiology and Biotechnology

, Volume 79, Issue 4, pp 657–661 | Cite as

Intergeneric coaggregation of strains isolated from phenol-degrading aerobic granules

Environmental Biotechnology

Abstract

This work aims at exploring the intergeneric coaggregation of the pairs of strains, Acinetobacter calcoaceticus I6 and Bacillus thuringiensis I2 or Candida tropicalis I9 (with GenBank accession numbers EU250016, EU036759, and DQ515822) isolated from phenol-degrading aerobic granules. The I2 and I6 are functionally similar stains, while the I6 and I9 are functionally dissimilar strains. The lectin–saccharide interaction controlled the coaggregation of both the I2+I6 and I6+I9 pairs, with the protein adhesin being associated with the strain I6, and the complementary galactosamine-like or fucose-like sugar receptor with the strain I2 or I9, respectively. The rod-like I2 cells bridged the clusters of I2 or I6 cells to form aggregates, while the small I6 cells attached on and modified the surface of I9 to form aggregates.

Keywords

Coaggregation Aerobic granules Lectin–saccharide interaction 

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Copyright information

© Springer-Verlag 2008

Authors and Affiliations

  1. 1.Department of Chemical EngineeringNational Taiwan UniversityTaipeiTaiwan
  2. 2.Department of Chemical Engineering, R&D Center of Membrane TechnologyChung Yuan Christian UniversityChungliTaiwan

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