Plant and Cell Physiology Supplement
Supplement to Plant and Cell Physiology Vol. 45
Conference information

Mathematical Analysis of Moving Images of Transportation in a Living Plant Captured by the Positron Emitting Tracer Imaging System (PETIS)
*Shu FujimakiShinpei MatsuhashiNoriko IshiokaSatoshi WatanabeKoichi SakamotoNorbert KeutgenKazuo Arakawa
Author information
CONFERENCE PROCEEDINGS FREE ACCESS

Pages 775

Details
Abstract
The Positron Emitting Tracer Imaging System (PETIS) is a non-invasive tool to present moving images of transportation of positron-emitting radioactive tracers in an intact plant body. The movies have been helping understand the dynamics of uptake and transportation of nutrients in living plants. In this report, we show a new aspect that quantitative information such as a speed of transportation can be lead from the PETIS data through a mathematical analysis.
We employed transfer function analysis for time-course profiles of tracer activity on selected regions in the image. A transfer function is a mathematical model which converts inputs into outputs, which describes dynamics of natural or artificial systems with unknown mechanisms. We calculated the flow speeds and leakage ratios through the path of 18F- or 13NO3- in chinese chive and soybean plants. Our recent results on the dynamics of photoassimilates transportation in a living plant supplied 11CO2 are also presented.
Content from these authors
© 2004 by The Japanese Society of Plant Physiologists
Previous article Next article
feedback
Top