The PTI1-like kinase ZmPti1a from maize (Zea mays L.) co-localizes with callose at the plasma membrane of pollen and facilitates a competitive advantage to the male gametophyte |
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| Authors: | Markus M Herrmann Sheena Pinto Jantjeline Kluth Udo Wienand René Lorbiecke |
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| Institution: | 1. Biozentrum Klein-Flottbek und Botanischer Garten, Universit?t Hamburg, Ohnhorststrasse 18, 22609, Hamburg, Germany
2. Deutsches Krebsforschungszentrum, Im Neuenheimer Feld 580, 69120, Heidelberg, Germany
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| Abstract: | Background The tomato kinase Pto confers resistance to bacterial speck disease caused by Pseudomonas syringae pv. tomato in a gene for gene manner. Upon recognition of specific avirulence factors the Pto kinase activates multiple signal transduction
pathways culminating in induction of pathogen defense. The soluble cytoplasmic serine/threonine kinase Pti1 is one target
of Pto phosphorylation and is involved in the hypersensitive response (HR) reaction. However, a clear role of Pti1 in plant
pathogen resistance is uncertain. So far, no Pti1 homologues from monocotyledonous species have been studied. |
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