אסיף מאגר המחקר החקלאי

Endoreduplication preferentially occurs at the proximal side of the abscission zone during abscission of tomato leaf

Year:

2012

Source of publication :

Authors :

Volume :

7

Co-Authors:

Dermastia, M., National Institute of Biology, Ljubljana, Slovenia
Kladnik, A., Department of Biology, Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia
Bar-Dror, T., Department of Postharvest Science of Fresh Produce, Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel, The Robert H. Smith Institute of Plant Sciences and Genetics in Agriculture, The Robert H. Smith Faculty of Agriculture
Food, and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
Lers, A., Department of Postharvest Science of Fresh Produce, Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel

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Abstract:

Endoreduplication is a cell cycle variant in which multiple rounds of DNA replication occur without subsequent mitosis, resulting in polyploid cells. Although cells with endoreduplicated nuclei were ubiquitously distributed throughout the abscission zone (AZ) of tomato leaf before abscission induction by ethylene, endoreduplication was detected mostly on the proximal side of the AZ after induction. The possible association between endoreduplication and intensive membrane trafficking in cells at the proximal side of the AZ is discussed. © 2012 Landes Bioscience.

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