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Programming of cell death during xylogenesis |
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| Authors: | Hiroo Fukuda Yoriko Watanabe Hideo Kuriyama Shigemi Aoyagi Munetaka Sugiyama Ryo Yamamoto Taku Demura Atsushi Minami |
| Institution: | (1) Department of Biological Science, Graduate School of Science, University of Tokyo, 113-0033 Tokyo, Japan;(2) Botanical Gardens, Graduate School of Science, University of Tokyo, 112-0001 Tokyo, Japan;(3) Department of Biology, Graduate School of Science, Tohoku University, 980-8578 Aoba, Sendai, Japan;(4) Department of Material and Biological Engineering, Tsuruoka National College of Technology, 997-0842 Tsuruoka, Japan |
| Abstract: | Death of tracheary elements which compose vessels and tracheids is a typical example of programmed cell death in plants. Anin vitro system usingZinnia mesophyll cells which differentiate directly into tracheary elements has provided various types of data on the cell death process. In this paper, we will summarize recent results obtained using theZinnia system and discuss the programming of cell death during tracheary element differentiation. The extended abstract of a paper presented at the 13th International Symposium in Conjugation with Award of the International Prize for Biology “Frontier of Plant Biology” |
| Keywords: | Apoptosis Cysteine protease DNase Programmed cell death Tracheary element differentiation Vacuole Zinnia elegans |
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