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http://dx.doi.org/10.5010/JPB.2003.30.2.195

Effect of the Elicit of Microorganism on the Formation of Phloem in Suspension Cultures of Streptanthus tortus  

Cho, Bong-Heuy (Department of Life Science, Center for smart Bio-Materials, the University of Suwon)
Publication Information
Journal of Plant Biotechnology / v.30, no.2, 2003 , pp. 195-199 More about this Journal
Abstract
Extracts of Escherichia coli as a elicit were treated to suspension cultures of Streptanthus tostus in order to observe the effect on the pholem development. By the elicit treatment, cell wall, sieve endoplasmic reticulum (SER) and p-protein were normally synthesized, but the structure of amyloplast was changed from a round form to irregular and swollen unhalthy form with a tiny starch granular. Oil drops were new synthesized and accumulated in a large oleoplast and proteins were also accumulated in a single membrane. The concentration of sucrose in the phloem, which was induced during the elicit treatment, was higher than normally developed phloem cells. These results suggest that phloem cells might be changed in the normal cycles of metabolism of lipids, carbohydrates and proteins to overcome during the eilicit stress.
Keywords
Phloem formation; elicit stress; oil drop; oleoplast;
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