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Applied and Environmental Microbiology, September 2003, p. 5679-5684, Vol. 69, No. 9
0099-2240/03/$08.00+0     DOI: 10.1128/AEM.69.9.5679-5684.2003
Copyright © 2003, American Society for Microbiology. All Rights Reserved.

Unusual Water Flux in the Extracellular Polysaccharide of the Cyanobacterium Nostoc commune

Eric Shaw,1 Donna R. Hill,1,{dagger} Nicole Brittain,1 Debbie J. Wright,1 Uwe Täuber,2 Hervé Marand,3 Richard F. Helm,1 and Malcolm Potts1*

Virginia Tech Center for Genomics (VIGEN),1 Departments of Physics,2 Chemistry, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 240613

Received 4 February 2003/ Accepted 3 June 2003

The speed of water uptake by desiccated Nostoc commune was found to depend upon the duration of desiccation. The rehydration of desiccated colonies led to marked, time-dependent changes in structure and ultrastructure and fluctuations in the composition of the transcriptome. Physical evaporative water loss is an active process that was influenced by inhibitors of transcription and translation.

* Corresponding author. Mailing address: VIGEN, Department of Biochemistry, 205 Engel Hall, W. Campus Dr., Virginia Tech, Blacksburg, VA 24061. Phone: (540) 231-5745. Fax: (540) 231-9070. E-mail: geordie{at}vt.edu.

{dagger} Present address: Procter and Gamble, Cincinnati, Ohio.

Applied and Environmental Microbiology, September 2003, p. 5679-5684, Vol. 69, No. 9
0099-2240/03/$08.00+0     DOI: 10.1128/AEM.69.9.5679-5684.2003
Copyright © 2003, American Society for Microbiology. All Rights Reserved.



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  • Wright, D. J., Smith, S. C., Joardar, V., Scherer, S., Jervis, J., Warren, A., Helm, R. F., Potts, M. (2005). UV Irradiation and Desiccation Modulate the Three-dimensional Extracellular Matrix of Nostoc commune (Cyanobacteria). J. Biol. Chem. 280: 40271-40281 [Abstract] [Full Text]  
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