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Overexpression of the Tomato Pollen Receptor Kinase LePRK1 Rewires Pollen Tube Growth to a Blebbing Mode

Author:
Gui, Cai-Ping, Dong, Xin, Liu, Hai-Kuan, Huang, Wei-Jie, Zhang, Dong, Wang, Shu-Jie, Barberini, María Laura, Gao, Xiao-Yan, Muschietti, Jorge, McCormick, Sheila, Tang, Wei-Hua
Source:
The plant cell 2014 v.26 no.9 pp. 3538-3555
ISSN:
1040-4651
Subject:
Dictyostelium, Drosophila, pollen, pollen tubes, stem cells, tomatoes
Abstract:
Pollen tubes are tubular structures that extend by tip growth. Upon overexpression of merely a single endogenous molecule, LePRK1, or a portion of it lacking its extracellular domain, pollen tube cells switched to an alternative mechanism for extension of the leading edge that is analogous to the blebbing growth mode reported for Dictyostelium and for Drosophila stem cells.
Agid:
1718306