Journal
JOURNAL OF THEORETICAL BIOLOGY
Volume 228, Issue 1, Pages 31-46Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jtbi.2003.12.003
Keywords
polymerase chain reaction; diffusion; polony; self-organizing system
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DNA templates amplified by polymerase chain reaction in thin polyacrylamide gels form diffusion-constrained amplicons called polonies (polymerase colonies) that have been used to phase DNA haplotypes over long distances, to analyse RNA splice variants, and to assay other phenomena of biological interest. We present two sets of mathematical models. one for single polony growth (SPGM) and one for two polony interaction (TPIM), that will be used to optimize polony technology. The models provide detailed predictions of polony yield, concentration profiles, growth of isolated polonies, and the interaction of neighboring polonies. The TPIM explains an experimental observation that nearby polonies deform against each other rather than interpenetrate, an effect important for optimizing polony protocols. However, the TPIM also predicts that polonies may invade each other with a complex,geometry when sufficiently, close. Polonies Lire also of interest as simple abiotic systems that exhibit lifelike propel-ties of self-organization. growth, and development, and the models may also apply to biological phenomena involving propagation through tethering and diffusion. Our polony modeling software is available at our web site http://arep.med.harvard.edu/polony_models/. (C) 2003 Elsevier Ltd. All rights reserved.
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