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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Interaction of Plant Protein Complex Exocyst with Proteins Involved in Plant Immunity
 Ortmannová, Jitka ; Žárský, Viktor (advisor) ; Burketová, Lenka (referee) ; Ovečka, Miroslav (referee)
Plants have an artillery to defend themselves. The plant surface is protected by water- resistant cuticle and mechanically strong cell wall. Then each plant cell has tools to recognize and to answer to a pathogen threat. In an extreme case, the answer is programmed cell death. Plant immunity is a complex process integrating these passive and active mechanisms in an effort to overstay a pathogen attack. When the plant cell is attacked by a pathogen, the metabolic resources are redirected towards immunity reaction which results in growth restriction. Both the immunity reaction and the growth are dependent on the efficient polarized secretion of various cargoes. Exocyst complex mediates tethering of a secretory vesicle with a target membrane and SNARE complex orchestrates the subsequent steps of vesicle docking and fusion. Exocyst and SNAREs are regulated by various proteins. In my work, I focused on identifying the exocyst interaction partners in plant immunity. In cooperation with my colleagues, we found the direct association between Qa-SNARE SYP121 involved in plant penetration resistance and EXO70B2 exocyst subunit. Moreover, we confirmed the relevance of their interaction for the formation of epidermal defensive structures, papillae and haustorial encasements in plant defence against non-adapted...
Detailed record
Interaction of Plant Protein Complex Exocyst with Proteins Involved in Plant Immunity
 Ortmannová, Jitka ; Žárský, Viktor (advisor) ; Burketová, Lenka (referee) ; Ovečka, Miroslav (referee)
Plants have an artillery to defend themselves. The plant surface is protected by water- resistant cuticle and mechanically strong cell wall. Then each plant cell has tools to recognize and to answer to a pathogen threat. In an extreme case, the answer is programmed cell death. Plant immunity is a complex process integrating these passive and active mechanisms in an effort to overstay a pathogen attack. When the plant cell is attacked by a pathogen, the metabolic resources are redirected towards immunity reaction which results in growth restriction. Both the immunity reaction and the growth are dependent on the efficient polarized secretion of various cargoes. Exocyst complex mediates tethering of a secretory vesicle with a target membrane and SNARE complex orchestrates the subsequent steps of vesicle docking and fusion. Exocyst and SNAREs are regulated by various proteins. In my work, I focused on identifying the exocyst interaction partners in plant immunity. In cooperation with my colleagues, we found the direct association between Qa-SNARE SYP121 involved in plant penetration resistance and EXO70B2 exocyst subunit. Moreover, we confirmed the relevance of their interaction for the formation of epidermal defensive structures, papillae and haustorial encasements in plant defence against non-adapted...
Detailed record

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