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Cellulosome-Like Structures in Ruminal Cellulolytic Bacterium Ruminococcus albus F-40 as Revealed by Electron Microscopy

  • Kim, Y.S. ;
  • Singh, A.P. ;
  • Wi, S.G. ;
  • Myung, K.H. ;
  • Karita, S. ;
  • Ohmiya, K.
  • Received : 2001.04.14
  • Accepted : 2001.06.08
  • Published : 2001.10.01

Abstract

This study provides electron microscopic evidence for the presence of cellulosome-like structures on the cell surface of Ruminococcus albus F-40. Electron microscopy showed that clusters of tightly packed spherical particles were located on the cell surface of R. albus. The protuberant structures present mainly on the bacterial surface and also bound to the cellulose substrate appeared to be the site of cellulosome-like structures. From the evidence presented, we suggest that the structures described here might be a characteristic feature of some ruminal cellulolytic bacteria.

Keywords

Cellulosome-Like Structures;Ruminococcus Albus F-40;Ultrastructure

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  1. Anaerobic bacterial degradation for the effective utilization of biomass vol.10, pp.6, 2005, https://doi.org/10.1007/BF02932282