Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/12218
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Type: Journal article
Title: Heterogeneity of cyanobacterial gas-vesicle volume and metabolic activity
Author: Brookes, J.
Ganf, G.
Oliver, R.
Citation: Journal of Plankton Research, 2000; 22(8):1579-1589
Publisher: Oxford Univ Press
Issue Date: 2000
ISSN: 0142-7873
1464-3774
Statement of
Responsibility: 
Justin D. Brookes, George G. Ganf and Roderick L. Oliver
Abstract: The literature suggests that relative gas-vesicle volume and metabolic activity differ between individuals within natural populations of cyanobacteria. We demonstrate, using flow cytometry and fluorescein diacetate (FDA) conversion rates, that individual relative gas-vesicle volumes differed by 6.7- and 4.6-fold, and individual cell photosynthetic rates ranged from 0.026 to 0.127 and from 0.075 to 2.415 fmol O2 cell–1 min–1 within phosphorus-starved and phosphorus-replete Microcystis aeruginosa populations, respectively. The observation that there is considerable heterogeneity in gas-vesicle volume and cell metabolic activity in cultured populations suggests that this could also contribute to heterogeneity in buoyancy of field populations.
Description: © Oxford University Press 2000
RMID: 0001000006
DOI: 10.1093/plankt/22.8.1579
Published version: http://plankt.oxfordjournals.org/cgi/content/abstract/22/8/1579
Appears in Collections:Ecology, Evolution and Landscape Science publications
Environment Institute Leaders publications
Earth and Environmental Sciences publications
Earth and Environmental Sciences publications

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