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Applied and Environmental Microbiology, November 2000, p. 5073-5077, Vol. 66, No. 11
0099-2240/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.

Relationships between Colony Morphotypes and Oil Tolerance in Rhodococcus rhodochrous

Noriyuki Iwabuchi,1 Michio Sunairi,2 Hirosi Anzai,3 Mutsuyasu Nakajima,2 and Shigeaki Harayama1,*

Marine Biotechnology Institute, Kamaishi Laboratories, Heita, Kamaishi, Iwate 026-0001,1 Laboratory of Molecular Microbiology, Department of Applied Biological Science, College of Bioresource Sciences, Nihon University, Fujisawa, Kanagawa 252-8510,2 and Laboratory of Applied Biochemistry, Department of Agriculture, Junior College, Nihon University, Fujisawa, Kanagawa 252-85107,3 Japan

Received 4 April 2000/Accepted 22 August 2000

A mucoidal strain of Rhodococcus rhodochrous was resistant to 10% (vol/vol) n-hexadecane, while its rough derivatives were sensitive. When the extracellular polysaccharide (EPS) produced by the mucoidal strain was added to cultures of the rough strains, the rough strains gained resistance to n-hexadecane. Thus, EPS confer tolerance to n-hexadecane in members of the genus Rhodococcus.

* Corresponding author. Mailing address: Marine Biotechnology Institute, Kamaishi Laboratories, Heita, Kamaishi, Iwate 026-0001, Japan. Phone: 81-193-26-6544. Fax: 81-193-26-6592. E-mail: shigeaki.harayama{at}kamaishi.mbio.co.jp.

Applied and Environmental Microbiology, November 2000, p. 5073-5077, Vol. 66, No. 11
0099-2240/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.


This article has been cited by other articles:

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  • Norman, R. S., Frontera-Suau, R., Morris, P. J. (2002). Variability in Pseudomonas aeruginosa Lipopolysaccharide Expression during Crude Oil Degradation. Appl. Environ. Microbiol. 68: 5096-5103 [Abstract] [Full Text]  
  • Iwabuchi, N., Sunairi, M., Urai, M., Itoh, C., Anzai, H., Nakajima, M., Harayama, S. (2002). Extracellular Polysaccharides of Rhodococcus rhodochrous S-2 Stimulate the Degradation of Aromatic Components in Crude Oil by Indigenous Marine Bacteria. Appl. Environ. Microbiol. 68: 2337-2343 [Abstract] [Full Text]  


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