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JPR Advance Access originally published online on November 21, 2007
Journal of Plankton Research 2008 30(2):107-117; doi:10.1093/plankt/fbm092
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© The Author 2007. Published by Oxford University Press. All rights reserved. For permissions, please email: journals.permissions@oxfordjournals.org

Single cell analysis in biological oceanography and its evolutionary implications

Charles S. Yentsch1,2,3 and Clarice M. Yentsch1,2,3,*

1 Plankton Research and Instruments, 504 Bahama Street, Key West, FL 33040, USA 2 Bigelow Laboratory for Ocean Sciences, West Boothbay Harbor, ME 04575, USA 3 Mel Fisher Maritime Heritage Society, 200 Greene Street, Key West, FL 33040, USA

* CORRESPONDING AUTHOR: cmyentsch{at}aol.com

Received on April 27, 2007; accepted on November 15, 2007


  Abstract

Historically single cell analysis techniques have been used to supplement more traditional studies of primary production. The techniques have often been used as a surrogate for microscopic analysis and to close a gap in sea truth coverage for remote sensing and other mapping activities. In the course of development from Coulter counting to flow cytometry/cell sorting, the instruments and techniques have become powerful tools for allometric and ataxonomic analysis as well as the quantification of pigments and added metabolic stains and tagged reagents. The specific questions we ask here are: Can flow cytometry-derived data be raised to a level to discern evolutionary direction and diversity/complexity? Can we account for changes in community structure based on allometric and ataxonomic relationships across major ocean boundaries? We present evidence from different approaches and use examples from flow cytometry/cell sorting that address the causes of variation in cell size and chlorophyll fluorescence in phytoplankton. The horizon is rapidly expanding yet questions and limitations of ocean study persist. We believe that a road of commonality among oceanographers, ecologists, modelers, microbiologists, molecular biologists, physiologists and paleontologists is needed.

Communicating editor: K.J. Flynn


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