Changes in the polypeptide profiles during photoinduction of Xanthium strumarium |
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| Authors: | T Kannangara J P Durkin J ApSimon F Wightman |
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| Institution: | Dept of Forest Science, Faculty of Forestry, Univ. of British Columbia. Vancouver, BC. Canada V6T 1W5;;Cell Physiology Group, Division of Biological Sciences, National Research Council of Canada, Ottawa, ON, Canada KIA 0R6;Dept of Chemistry, Carleton Univ, Ottawa, ON, Canada K1S 5B6;Dept of Biology, Carlcton Univ. Ottawa, ON, Canada KIS 5B6 |
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| Abstract: | The polypeptides in the leaf blades, petioles and apices from photoinduced and noninduced Xanthium strumarium L. were compared by two dimensional gel-electrophoresis. A 15 kDa and a 16 kDa polypeptide were detected in gels of the leaf blade from noninduced, but not from induced, plants. Similarly, an acidic 9 kDa polypeptide was detected in the apices from noninduced plants, but not in apices from induced plants. Both the apices and petioles from noninduced plants showed a 34 kDa polypeptide which was absent in tissues from induced plants. Thus, the disappearence of identifiable polypeptides from photoinduced tissues may be associated with the photoinductive short-day treatment that leads to flowering. |
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| Keywords: | Flowering photoinduction polypeptides two-dimensional gel-electrophoresis Xanthium strumarium |
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